Answer:
i think its 8
Step-by-step explanation:
25 divided by 3 is eight.
Can some one please help me ?
Answer:
B. 13.5 in ^2
Just use the formula : 1/2 h ( a + b )
If in the case you need any other help , let me know. [ You need to pay me] :) Thanks!
A square based pyramid has a surface area of 111.6 in2. The sides of the base
of the pyramid measure 4 inches. What is the slant height of the figure?
Answer:
11.95 in
Step-by-step explanation:
We can find the slant height of a square-based pyramid by solving the area formula for the unknown value.
__
The formula for the area of a square-based pyramid can be written ...
A = s(s +2h)
where s is the side of the square base, and h is the slant height.
Filling in the given values, we can solve for h:
111.6 = 4(4 +2h)
27.9 = 4 +2h . . . . . divide by 4
13.95 = 2 +h . . . . . divide by 2
11.95 = h . . . . . . . . subtract 2
The slant height of the figure is 11.95 inches.
What is the solution to the equation?
5 = 2/5 a
O 2
O 4 3/5
O 12 1/2
O 25
Answer:
Option C, [tex]12\frac{1}{2}[/tex]
Step-by-step explanation:
Step 1: Multiply both sides by 5/2
[tex]5 = \frac{2}{5}a[/tex]
[tex]5 * \frac{5}{2} = \frac{2}{5}a * \frac{5}{2}[/tex]
[tex]\frac{25}{2}=a[/tex]
[tex]12\frac{1}{2}=a[/tex]
Answer: Option C, [tex]12\frac{1}{2}[/tex]
Hope this helps! Let me know if you have any questions
Select all the rational numbers
Answer:
B. 3.14
C. .33
E. 3.46
remember rational number are can be measured from decimals and even fractions.
The radius of a circle is 14 ft. Find its circumference in terms of \piπ.
Answer:
Circumference of circle : 2πr
= 2 × π × 14
= 28 π ft
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The accompanying table describes results from groups of 10 births from 10 different sets of parents. The random variable x represents the number of girls among 10 children. Use the range rule of thumb to determine whether 1 girl in 10 births is a significantly low number of girls.
The accompanying table and the range rule of thumb show that 1 girl is a significantly low number of girls because 1 girl is less than the minimum value that is not significant.
How to depict the information?x. p(x). xp(x).
0 0.002 0 0.0516
1 0.016 0.016 0.2665
2 0.039 0.078 0.3702
3 0.113 0.339 0.4894
4 0.205 0.82 0.2396
5 0.241 1.205 0.0016
6 0.196 1.176 0.1655
7 0.113 0.791 0.4161
8 0.041 0.328 0.3493
9 0.012 0.108 0.1843
10 0.022 0.22 0.5323
Total = 1 5.1 3.066
Maximum value of range will be:
= 5.1 + [2*1.75]
= 5.1 + 3.5
= 8.6
Minimum value of range will be:
= 5.1 - [2*1.75]
= 5.1 - 3.5
=1.6
Therefore, 1 girl is a significantly low number of girls, because 1 girl is less than the minimum value that is not significant.
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a photograph measuring 8 cm by 10cm costs 440 naira. what will be the cost of an enlargement measuring 20cm by 25cm
Answer:
2750
Step-by-step explanation:
Remark
You have to assume that this can be solved by using a proportion. A proportion is 2 equal ratios. Three parts of the 2 ratios must be known and your job is to find the 4th one.
Equation
w*L/C1 = w1*L1 / x
Solution
w = 8
L = 10
w1 = 20
L1 = 25
C1 = 449
C2= x
Solution
8*10/440 = 20*25/x Combine
80/440 = 500 / x Cross Multiply
80x = 440*500 Combine
80x = 220000 Divide by 80
x = 220000/80
Answer
x = 2750
find the values of x and y. then find the measures of the interior angles of the polygon
The value of x and y are 9 and 6. Then the measure of the angles ∠A, ∠B, ∠C, and ∠D will be 54°, 36°, 126°, and 144°.
What is a cyclic quadrilateral?If the quadrilateral is inscribed in a circle then the quadrilateral is known as a cyclic quadrilateral.
We know the sum of the opposite angle of the cyclic quadrilateral is 180°.
Then we have
14x + 9y = 180 ...1
4x + 24y = 180 ...2
By solving the equations 1 and 2, we have
x = 9 and y = 6
Then the measure of the angle will be
∠A = 9y = 9 × 6 = 54°
∠B = 4x = 4 × 9 = 36°
∠C = 14x = 14 × 9 = 126°
∠D = 24y = 24 × 6 = 144°
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b) 7 of these cuboids of side 3 cm are put together to make this shape. Find the surface area of this shape. (3) Total marks: 5
Answer: 504 cm^2
The surface area of the shape is:
3 3 * 3=9
9 * 7=63
63+9=72 * 7
=504cm^2
-2-3(a)=-23
Please answer this with how you got the answer.
Answer:
a = 7
Step-by-step explanation:
» Solution
Step 1: Add 2 to both sides.
[tex]-3a-2+2=-23+2[/tex] [tex]-3a=-21[/tex]Step 2: Divide both sides by -3.
[tex]-3a/-3=-21/-3[/tex] [tex]a=7[/tex]Therefore, a = 7.
Carolina, with the intention of investing money in real estate, acquired a plot of land for R$ 350,000.00. Over four years, the asset underwent changes in its commercial value, as follows variations:
First year: 12% appreciation
Second year: 10% appreciation
Third year: 8% devaluation
Fourth year: 6% appreciation
Having this information as a reference, it is correct to say that at the end of the analyzed period this plot of land
will have the value of:
(A) BRL 329,000.00.
(B) BRL 372,901.76.
(C) BRL 420,000.00.
(D) BRL 420,506.24.
(E) BRL 437,754.24.
At the end of the analyzed period this plot of land will have the value as given by: Option D: 420,506.24
What is appreciation and deprecation?Deprecation, also called devaluation, is the decrement in price of an asset. Appreciation is opposite of deprecation. This indicates increment in the price of the considered thing.
How to find the percentage from the total value?Suppose the value of which a thing is expressed in percentage is "a'
Suppose the percent that considered thing is of "a" is b%
Then since percent shows per 100 (since cent means 100), thus we will first divide the whole part in 100 parts and then we multiply it with b so that we collect b items per 100 items(that is exactly what b per cent means).
Thus, that thing in number is
[tex]\dfrac{a}{100} \times b[/tex]
It is given that:
Initial price of the plot of land = $350,000First year: 12% appreciationSecond year: 10% appreciationThird year: 8% devaluationFourth year: 6% appreciationNow, consider appreciation of an amount A by P%.
Then, we have:
Increased price = Initial price + P% of initial price
Increased price = [tex]A + \dfrac{A}{100} \times P = A \times \left(1 + \dfrac{P}{100} \right)[/tex]
Similarly, depreciated price by P% of an amount A is:
Decreased price = [tex]A - \dfrac{A}{100} \times P = A \times \left(1 - \dfrac{P}{100} \right)[/tex]
We've got: A = 350,000
After 1st year, which had 12% appreciation, we get:
[tex]A_1 =A(1 + 12/100) = A(1.12)\\[/tex]
After 2nd year, 10% appreciation we get:
[tex]A_2 =A_1(1 + 10/100) = A_1(1.1) = A(1.12)(1.1)\\[/tex]
After 3rd year, which had 8% devaluation effect on the price, we get:
[tex]A_3 = A_2(1 - 8/100) = A_2(1-0.08) = A_2(0.92) = A(1.12)(1.1)(0.92)[/tex]
After 4th year, which had 6% appreciation effect on the price, we get:[tex]A_4 = A_3(1 + 6/100) = A_4(1+0.06) = A_3(1.06) = A(1.12)(1.1)(0.92)(1.06)[/tex]
Thus, the final effect on A is:
[tex]A \rightarrow A(1.12)(1.1)(0.92)(1.06) = A(1.2014464)\\\$350,000 \rightarrow 350000(1.2014464) = 420506.24\: \rm dollars[/tex]
Thus, at the end of the analyzed period this plot of land will have the value as given by: Option D: 420,506.24
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10) A rhombus has a
diagonal 8.6 mm long
and an area of 81.7 mm. what is the
perimeter?
Answer:
P=41.72
Step-by-step explanation:
S=ACxDB/2
81.7=8.6xDB/2
81.7=4.3xDB|:4.3
19(mm)=DB
DO=19/2=9.5
OC=8.6/2=4.3
(O is the center of the rhombus, where two diagonals meet)
a²+b²=c² (DO²+OC²=DC²)
9.5²+4.3²=c²
90.25+18,49=c²
√108,74=√c²
c≈10.43
P=4c
P=4x10.43
P=41.72
Hope it helps:)
One angle of a right triangle measures 24°. What is the measure of the other acute angle?
Answer:
66 °
Step-by-step explanation:
Given:
One angle of a right triangle measures 24°.
To Find:
What is the measure of the other acute angle?
Solve:
Note:
Total angles in a triangle 180 degree
Right Triangle ⇒ 90 degree
Let "x" be the measure of the other acute angle
90° + 24° + x = 360°
114° + x = 180°
x = 66°
Kavinsky~
Please help me with this it's algebra WILL GIVE BRAINLIEST and 40 points
Answer:
y≥3x-2
Step-by-step explanation:
Please answer these questions for me
Answer:
Do reciprocal of that and diameter formula and when your answer will come me just do square multiple of that
draw the line 3y-4x=12 for values of x from -3 to 3
Answer:
Step-by-step explanation:
Explanation:
Notice that the terms are linear or constant, so this equation represents a straight line.
We can find the intersections with the
x
and
y
axes by setting
y
or
x
equal to zero, or equivalently covering up the corresponding term and solving the resultant equation.
So putting
x
=
0
we get:
3
y
=
12
Dividing both sides by
3
, we find:
y
=
4
So the line intercepts the
y
axis (which has equation
x
=
0
) at the point
(
0
,
4
)
If we instead put
y
=
0
then we get:
4
x
=
12
Which figure has two bases and one lateral face that is rectangular?
a prism
Step-by-step explanation:
it has two parallel, congruent bases that are connected by a lateral face
Multiplying by which number is equivalent to finding 80%?
Answer:
80% is equivalent to 80/100 which is the same as 0.8 and we can just take a number, for example 10, and we can multiply it by 0.8 and we would get 8 which is 80% of the original value.
i need an answer quicklyy
Answer:
by Translation.
Using the photo it is (5/-8)
what’s the area and the perimeter and of the triangle?
Answer:
i hope it helps
Step-by-step explanation:
area= inside of figure
area of triangle= 1/2 base*height
perimeter= sum of all sides
perimeter of triangle= a+b+c
Answer:
A= 8.25 m P≈ 16.2 m
Step-by-step explanation:
A hat contains four slips of paper. The slips of paper are numbered 3, 3, 6, and 8. One slip of paper is randomly selected and not replaced, and then a second slip of paper is selected. the numbers on the two slips of paper are added together.
A fair decision is to be made about which one of three sizes of coffee will be ordered, using the sum of the numbers on the slips of paper.
The coffee size options are small, medium, and large.
Which description accurately explains how a fair decision can be made in this situation?
A.) If the sum of the slips of paper is 9, a small coffee will be ordered. if the sum of the slips of paper is 11, a medium coffee will be ordered. If the sum of the slips of paper is 6 or 14, a large coffee will be ordered.
B.) If the sum of the slips of paper is 9, a small coffee will be ordered. if the sum of the slips of paper is 6, a medium coffee will be ordered. If the sum of the slips of paper is 11 or 14, a large coffee will be ordered.
C.) If the sum of the slips of paper is 9, a small coffee will be ordered. if the sum of the slips of paper is 14, a medium coffee will be ordered. If the sum of the slips of paper is 6 or 11, a large coffee will be ordered.
D.) If the sum of the slips of paper is 14, a small coffee will be ordered. if the sum of the slips of paper is 9, a medium coffee will be ordered. If the sum of the slips of paper is 6 or 11, a large coffee will be ordered.
The option that accurately fit the description that explains how a fair decision can be made in this situation is option A - the sum of the slips of paper is 9.
What is Random selection?This is known to be scientific method used when each unit in a population is known or said to have an equal chance of been selection for any inclusion into a sample.
The option that accurately fit the description that explains how a fair decision can be made in this situation is option A - the sum of the slips of paper is 9, a small coffee will be ordered. if the sum of the slips of paper is 11, a medium coffee will be ordered. If the sum of the slips of paper is 6 or 14, a large coffee will be ordered.
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Mr. conner is placing stone tiles to make a patio. each tile is 1 square foot. the drawing shows the dimensions of his patio. a quadrilateral is broken into a triangle and rectangle. the triangle has a base of 20 feet and a height of 6 feet. the rectangle has a base of 20 feet and a height of 12 feet. how many total stone tiles will mr. connor need for the patio? 240 stone tiles 300 stone tiles 360 stone tiles 480 stone tiles
300 stone tiles would be needed to make a patio that has a total area of 300 ft²
What is an equation?An equation is an expression that shows the relationship between two or more variables and numbers.
Area of triangle = (1/2) * base * height = 0.5 * 20 ft * 6 ft = 60 ft²
Area of rectangle = base * height = 20 ft * 12 ft = 240 ft²
Total area of patio = 60 ft² + 240 ft² = 300 ft²
Number of stone tiles needed = 300 ft² / 1 ft² = 300
300 stone tiles would be needed to make a patio that has a total area of 300 ft²
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Answer:
300
Step-by-step explanation:
B
What is the trigonometric ratio for sin Z?
Enter your answer, as a simplified fraction, in the boxes.
Answer:
[tex] \large { \purple{ \sf {The \: value \: of \: sin \: Z \: is} \sf \frac{3}{5} }}[/tex]
Step-by-step explanation:
[tex] \large{\underline{\underline{\pink{\sf{To \: \: find :-}}}}}[/tex]
[tex] \textsf{The value of Sin Z}[/tex]
[tex]\large{\red{\underline{\textsf{Given :-}}}}[/tex]
YZ (B) = 32 (which the base of the triangle)
XZ (H) = 40 (which is the hypotenuse of the triangle)
[tex] \textsf{ \huge { \underline{ \orange{Solution :-}}}}[/tex]
[tex] \sf{The \: formula \: to \: find} \sin Z = \frac{P}{H} \\ \textsf{which \: means} \\ \sf \rightarrow \frac{perpendicular}{hypotenuse} [/tex]
But here we don't have perpendicular so we use Pythagoras theorem to find perpendicular
[tex]{ \sf {(perpendicular)}^{2} + \sf{(base)}^{2} = \sf {(hypotenuse)}^{2} } \\ \sf {(P)}^{2} + \sf {(B)}^{2} = \sf {(H)}^{2} [/tex]
let here P = P
[tex] \sf {(P)}^{2} + {(32)}^{2} = {(40)}^{2} \\ \sf {P}^{2} + 1024 = 1600 \\ \sf {P}^{2} = 1600 - 1024 \\ \sf {P}^{2} = 576 \\ \sf P = \sqrt{576} \\ \sf P = 24[/tex]
Now we to find Sin ZPH
[tex] \sf \ \sin Z = \frac{P}{H} \\ \implies \frac{24}{40} \\ \implies \frac{6}{10} \\ \implies \frac{3}{5} [/tex]
Solve for v in terms of w, x, y, and z.
ZW = -yxv
V=
Answer:
V= -WZ/xy
Step-by-step explanation:
-yxV=ZW
V=-ZW/yx
V=-ZW/yx
V=-WZ/xy
If Madison had 10 apple and gave 3 away to Zack how many apples does she have
Answer:
7 i think because 10-3 =7
also 3+7 =10
Step-by-step explanation:
Answer:
Its 7 because it you do 10-3 it would equal up to 7
Step-by-step explanation:
What number comes
next in the pattern? The rule is "Multiply
the position number by itself." Describe a
feature of the pattern.
1,4,9,16,
Answer:
25 comes next
Step-by-step explanation:
okay so when it says "position" it means the numbers place in the order, for example "4" in this case would be the in the second position and "16" in the fourth position.
to get 1 you do: 1*1 because 1 is the first number and it is in the first (1) position.
To get the second number (4) you do: 2*2 because two is the second number (it comes after 1) and it is in the second position.
For 9, you do 3*3; the pattern here is squares, 1^2=1 2^2=4, 3^2=9, 4^2=16.
If we follow that pattern we will get 5^2=25
Apply green’s theorem to evaluate the integral 3ydx 2xdy
The value of the integral 3ydx+2xdy using Green's theorem be - xy
The value of [tex]\int\limits_c 3ydx+2xdy[/tex] be -xy
What is Green's theorem?Green's theorem relates a line integral around a simple closed curve C to a double integral over the plane region D bounded by C.
If M and N are functions of (x, y) defined on an open region containing D and having continuous partial derivatives there, then
[tex]\int\limits_c Mdx+Ndy[/tex] = [tex]\int\int\〖(N_{x}-M_{y}) \;dxdy[/tex]
Using green's theorem, we have
[tex]\int\limits_c Mdx+Ndy[/tex] = [tex]\int\int\〖(N_{x}-M_{y}) \;dxdy[/tex] ............................... (1)
Here [tex]N_{x}[/tex] = differentiation of function N w.r.t. x
[tex]M_{y}[/tex]= differentiation of function M w.r.t. y
Given function is: 3ydx + 2xdy
On comparing with equation (1), we get
M = 3y, N = 2x
Now, [tex]N_{x}[/tex] = [tex]\Luge\frac{dN}{dx}[/tex]
= [tex]\frac{d}{dx} (2x)[/tex]
= 2
and, [tex]M_{y}[/tex] = [tex]\Huge\frac{dM}{dy}[/tex]
= [tex]\frac{d}{dy} (3y)[/tex]
= 3
Now using Green's theorem
= [tex]\int\int\〖(2 -3) dx dy[/tex]
= [tex]\int\int\ -dxdy[/tex]
= [tex]-\int\ x dy[/tex]
=[tex]-xy[/tex]
The value of [tex]\int\limits_c 3ydx+2xdy[/tex] be -xy.
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Stacy recorded the number of minutes she used her
smartphone each day for one week before using an
app that awards points for decreased phone usage,
and for one week after using the app. Stacy's
alternative hypothesis is Ha:X< 114.6.
Before 103 127 87 12495 136 130
After 83 94 1201057598 96
Stacy used a simulation to randomize her data 200
times. She found that the difference between sample
means over 200 trials is approximately normally-
distributed, with a mean of -0.2 and a standard
deviation of 9.1. Which of the following conclusions
is most appropriate?
Phone use did not change.
Phone use increased and then decreased.
Phone use increased.
Phone use decreased.
Using the t-distribution, it is found that the most appropriate conclusion for the hypotesis test is given by:
Phone use did not change.
What are the hypothesis tested?At the null hypothesis, we test if the mean has not changed, that is:
[tex]H_0: \mu = 0[/tex]
At the alternative hypothesis, we test if it has changed, that is:
[tex]H_1: \mu \neq 0[/tex].
What is the test statistic?The test statistic is given by:
[tex]t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}[/tex]
The parameters are:
[tex]\overline{x}[/tex] is the sample mean.[tex]\mu[/tex] is the value tested at the null hypothesis.s is the standard deviation of the sample.n is the sample size.In this problem, the values of those parameters are as follows:
[tex]\overline{x} = -0.2, \mu = 0, s = 9.1, s = 200[/tex]
Hence, the test statistic is given by:
[tex]t = \frac{\overline{x} - \mu}{\frac{s}{\sqrt{n}}}[/tex]
[tex]t = \frac{-0.2 - 0}{\frac{9.1}{\sqrt{200}}}[/tex]
t = 0.31.
What is the conclusion?Considering a two-tailed test, as we are testing if the mean is different of a value, with a standard significance level of 0.05 and 200 - 1 = 199 df, the critical value is of [tex]|t^{\ast}| = 1.972[/tex].
Since the absolute value of the test statistic is less than the critical value, we do not reject the null hypothesis and the conclusion is:
Phone use did not change.
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What are all the rational roots of the polynomial f(x) = 20x4 x3 8x2 x – 12? negative four-fifths and three-fourths negative four-fifths and negative three-fourths –1, negative four-fifths, three-fourths, and 1 –1, negative four-fifths, negative three-fourths, and 1
The root of the polynomial f(x) = 20x⁴ + x³ + 8x² + x - 12 is at the point -4/5 and 3/4
What is an equation?An equation is an expression that shows the relationship between two or more variables and numbers.
Given the polynomial:
f(x) = 20x⁴ + x³ + 8x² + x - 12
The root of the polynomials is at the point the graph of f(x) intersects with the x axis. This is at -4/5 and 3/4
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Answer:
A
Step-by-step explanation:
Did it on edge :)))
Please help
The table shows the results of his first 20 rolls of a dice.
Number
1
2
3
4
5
6
Frequency
3
3
5
2
4
3
a) Write down its mode.
…………………………
b) Calculate:
i) Mean
…………………………
ii) Median
…………………………
iii) Range
…………………………
Answer:
Mode=. 3,4
Mean= 21/6=3,5
Median= 3+4/2=5
Range=6-4=2
Step-by-step explanation:
1. Mode are numbers in between.
2. Mean add all number devide with the highest value.
3. Median are 2 middle number add them and divide them by 2.
4. Highest value subtract lowest value.
