Answer:
scale factor = 1.2
Step-by-step explanation:
the scale factor is the ratio of corresponding sides image to original, that is
EZYD → TRAP
corresponding sides are the comparable sides on both , that is
EZ → TR
then
scale factor = [tex]\frac{EZ}{TR}[/tex] = [tex]\frac{12}{10}[/tex] = 1.2
find the value of p(7, 4)
Answer:
P(7,4)= 840
Step-by-step explanation:
A spinner is divided into five colored sections that are not of equal size: red, blue, green, yellow, and purple. The spinner is spun several times, and the results are recorded below:
Spinner Results
Color Frequency
Red 18
Blue 10
Green 7
Yellow 19
Purple 6
If the spinner is spun 1400 more times, about how many times would you expect to land on red? Round your answer to the nearest whole number.
Answer:
red 420 times
Step-by-step explanation:
The results show red (18) out of ( 18+10+7+19+6)
18 / 60
18/60 * 1400 = 420 times
Pete went to the store. He bought 3 pounds of chili peppers, 5 pounds of habanero peppers,
and 1 pound of red bell peppers. How much did he spend?
red bell peppers
Anaheim peppers
chili peppers
habanero peppers
$2 per lb
$1 per lb
$2 per lb
$2 per lb
Help please
Simplify the algebraic expression
Answer:
1/4 x + 9/10
Step-by-step explanation:
[tex]=-\frac{1}{2}x+\frac{7}{10} +\frac{3}{4} x+\frac{1}{5}[/tex]
[tex]=\frac{3}{4}x-\frac{2}{4} x+\frac{7}{10} +\frac{2}{10}[/tex]
[tex]=\frac{1}{4} x+\frac{9}{10}[/tex]
Hope this helps
Johnny just got out of high school he has $90 then he gets a job, his job pays him 20 dollars a month, how much money does he have in 2 months.
Answer:
$130
Step-by-step explanation:
90 + (20 * 2) = 130
help please!!!(will mark brainliest)
Step-by-step explanation:
remember, a probability is always desired cases over total possible cases.
the class has 10+15 = 25 students.
and 5 of them will be picked as representatives to the school board.
how many total possibilities do we have ?
since picked students can be picked only once, and the sequence of the 5 picked students in the group does not matter, we have a combination without repetition :
C(25, 5) = 25! / (5! × (25-5)!) = 25! / (5! × 20!) =
= 25×24×23×22×21 / (5×4×3×2) =
= 5×1×23×22×21 = 53,130 possible outcomes.
how many desired outcomes ?
that would be how many options we have to pick 2 out of 10 and 3 out of 15 :
C(10,2) × C(15,3) = 10! / (2 × 8!) × 15! / (3! × 12!) =
= 10×9/2 × 15×14×13/(3×2) =
= 5×9 × 5×7×13 = 20,475 desired outcomes
and the probability is
20475 / 53130 = 4095 / 10626 = 1365 / 3542 = 195 / 506
= 0.385375494... ≈ 0.39
A car salesperson receives a 7% commission per car sold. How much commission would the salesperson receive when selling a car for $24000?
Answer:
$1680
Step-by-step explanation:
To find 7% of 24000, convert 7% to a decimal and multiply. Percent means per hundred, 7% is 7/100 is .07
.07 × 24000
= 1680
What is the missing number ?? /6 =25/30
Answer:
5
Step-by-step explanation:
[tex]\frac{25}{30}[/tex] ( divide numerator and denominator by 5 ) , then
[tex]\frac{25}{30}[/tex] = [tex]\frac{5}{6}[/tex] ( with missing number ? = 5 )
Answer:
x = 5Step-by-step explanation:
What is the missing number ?? /6 =25/30
x : 6 = 25 : 30
x = 6 * 25 : 30
x = 5
-------------------------------
check
5/6 = 0.83
25/30 = 0.83
the answer is good
need help with all of these questions you see on the top. there the red squares. please someone smart. this is one of the problems I need to finish this tonight
Answer:
V = 13 x 9π
Step-by-step explanation:
The figure formed by filling water is also a cylinder, so the volume formula is the same: base area times height. This means that:
V = 9π x 13
It can also be rearranged to read:
V = 13 x 9π
Find the length of a rectangular prism if the volume is 70 m3 the width is 2 m and the height is 7 m
Answer:
5m
Step-by-step explanation:
V=whl
Solving forl
l=V
hw=70
7·2=5m
Question on attached image
Answer:
Red: 144. Green: 360 Brown: 552. Yellow: 144.
Step-by-step explanation:
Okay, so, to find the probabilities of red and yellow, we gotta add green and brown probabilities and then subtract that from one. Green and brown probabilities added together are 0.76. Subtract that from one and you get 0.24. Divide that by two and we get 0.12 for both red and yellow. Now we multiply 1200 by each probability.
Is this triangle acute, right, or obtuse?
acute
right
obtuse
Answer: Heyaa!
A Triangle is actue! :)
Step-by-step explanation:
Hopefully this helps you!!
Answer:
it's a right triangle
Step-by-step explanation:
at the bottom left corner of the triangle, there's a square that tells u that it's a right triangle
Help me pls!
Raj, Devi and Miko have managed their savings well. The sum of Raj and Devi's savings is $1181. Raj and Miko's savings sum up to $1797. The ratio of Devi to Miko's savings is 3 : 11. How much has Raj saved?
Answer:
it is easy it is 3833
Step-by-step explanation:
The money saved by Raj from the given conditions is $950.
Given that, Raj, Devi and Miko have managed their savings well.
What is the ratio?The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.
The ratio of Devi to Miko's savings is 3:11.
So, Devi's saving is 3x and Devi to Miko's savings is 11x.
The sum of Raj and Devi's savings is $1181. Raj and Miko's savings sum up to $1797.
Let y be the Raj's saving.
Now, y+3x=1181 --------(I) and y+11x=1797 --------(II)
From equation (I), y=1181-3x
Substitute y=1181-3x, in equation (II), we get
1181-3x+11x=1797
⇒ 8x=1797-1181
⇒ 8x=616
⇒ x=616/8
⇒ x=77
So, y=1181-3x=1181-231
=$950
Hence, the money saved by Raj from the given conditions is $950.
To learn more about the ratio visit:
brainly.com/question/13419413.
#SPJ2
The graph shows a line and two similar triangles.
On a coordinate plane, a line goes through (0, 0) and (6, 4). A small triangle has a rise of 2 and run of 3. A larger triangle has a rise of 4 and run of 6.
Which expression finds the equation of the line?
StartFraction y Over x EndFraction = three-halves
StartFraction y Over x EndFraction = two-thirds
StartFraction y Over 2 EndFraction = StartFraction 3 Over x EndFraction
StartFraction y Over 3 EndFraction = StartFraction x Over 2 EndFraction
Mark this and return
Answer:B mark me brainliest
Step-by-step explanation:Recall that slope is rise over run
slope = rise/run
The rise being the change in y, while the run is the change in x.
So we could informally think of it as slope = y/x
-----------
Since we're told that it "has a rise of 2 and run of 3", this means slope = 2/3.
The slope is both y/x and also 2/3.
Equating the two expressions leads us to y/x = 2/3. This is why choice B is the final answer.
Answer:
B) y/x=2/3
Step-by-step explanation:
Edg2022
I need a full explanation for this problem. I don’t know how to do it
Answer:
3861 cm³Step-by-step explanation:
Consider this solid as combination of two prisms, one with recrangular base and another with trapezoid base.
Find the area of bases
Rectangle
A = lw = 8*17 = 136 cm²Trapezoid
A = (1/2)(17 + 6)(22 - 8) =(1/2)(23)(14) = 161 cm²Find the total base area
B = 136 + 161 = 297 cm²Find the volume
V = BhV = 297*13 = 3861 cm³what does each equation have in common
The equations have operations, variable, an equal sign in common.
What is an Equation?An equation is a mathematical expression that contains an equals symbol.
As per the definition, the equation contain operations, variable, an equal sign. That means whatever be the equation then it must contain operations, variable, an equal sign.
So, all the equations have operations, variable, an equal sign these three things in common.
For example: 4a+b=0
Learn more about equation here:
https://brainly.com/question/10413253
#SPJ1
Your favorite restaurant has a promotion where you can win free food. You will roll 2 dice. The sum of the 2 dice will determine which prize you receive.
2-column table with 11 rows. Column 1, outcome, entries 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12. Column 2, probability, entries StartFraction 1 Over 36 EndFraction, StartFraction 2 Over 36 EndFraction, StartFraction 3 Over 36 EndFraction, StartFraction 4 Over 36 EndFraction, StartFraction 5 Over 36 EndFraction, StartFraction 6 Over 36 EndFraction, StartFraction 5 Over 36 EndFraction, StartFraction 4 Over 36 EndFraction, StartFraction 3 Over 36 EndFraction, StartFraction 2 Over 36 EndFraction, StartFraction 1 Over 36 EndFraction.
If a customer rolls a sum of 5 or 6, the prize is 10% off of today’s purchase.
What is the probability of receiving this discount? Enter your answer as a decimal rounded to the hundredths place.
P(10% off) =
Answer:
0.25
Step-by-step explanation:
edge '22
Answer:
D - E(evens) = E(odds) because the different probabilities and values end up balancing out, creating a fair game. Therefore, Jessica may choose whichever she likes.
Step-by-step explanation:
can someone do this for me please?! Just the answer pls
Answer:
1 is H
2 is G
3 is B
Answer:
1 is G number 2 is F
Number 1 is G
Number 2 is F
The y-Intercept of the line whose equation is 7x - 4y= 8 is
8
7/4
-2
Answer:
-2
Step-by-step explanation:
To find the y-intercept, all we need to do is plug in 0 for x and solve for y, giving us [tex]-4y = 8[/tex], so y = -2.
The line passes through (8,-7) and is parallel to the line whose equation is y=2x+2.
Answer:
y = 2x -23
Explanation:
Given equation: y = 2(x) + 2
Comparing with slope intercept formula: y = m(x) + b
where m is slope, b is y-intercept
Here slope: 2 as parallel line has same slope
Find equation:
y - y1 = m(x-x1)
y -(-7) = 2(x-8)
y + 7 = 2x - 16
y = 2x - 16 - 7
y = 2x -23
Given graph to confirm answer:
Compare to slope intercept form
Slope=m=2Parallel lines have slopes equal
Equation in point slope form
y+7=2(x-8)y+7=2x-16y=2x-23I need the answer please.
Step-by-step explanation:
Hope this helps you. Anyone can correct if it's wrong.
Please help me find the area of compound shapes?!!?
Answer:
85 cm²
Step-by-step explanation:
Area = 5 x 5 + 15 x 4
Area = 25 + 60
Area = 85 cm²
Consider the following vector function. R(t) = 9 2 t, e9t, e−9t (a) find the unit tangent and unit normal vectors t(t) and n(t)
The unit tangent vector is T(u) and the unit normal vector is N(t) if the vector function. R(t) is equal to 9 2 t, e9t, e−9t.
What is vector?It is defined as the quantity that has magnitude as well as direction also the vector always follows the sum triangle law.
We have vectored function:
[tex]\rm R(t) = (9\sqrt{2t}, e^{9t}, e^{-9t})[/tex]
Find its derivative:
[tex]\rm R'(t) = (9\sqrt{2}, 9e^{9t}, -9e^{-9t})[/tex]
Now its magnitude:
[tex]\rm |R'(t) |= \sqrt{(9\sqrt{2})^2+ (9e^{9t})^2+ (-9e^{-9t})^2}[/tex]
After simplifying:
[tex]\rm R'(t) = 9 \dfrac{e^{18t}+1}{e^{9t}}[/tex]
Now the unit tangent is:
[tex]\rm T(u) = \dfrac{R'(t)}{|R'(t)|}[/tex]
After dividing and simplifying, we get:
[tex]\rm T(u) = \dfrac{1}{e^{18t}+1} (\sqrt{2}e^{9t}, e^{18t}, -1)[/tex]
Now, finding the derivative of T(u), we get:
[tex]\rm T'(u) = \dfrac{1}{(e^{18t}+1)^2} (9\sqrt{2}e^{9t}(1-e^{18t}), 18e^{18t}, 18e^{18t})[/tex]
Now finding its magnitude:
[tex]\rm |T'(u) |= \dfrac{1}{(e^{18t}+1)^2} (9\sqrt{2}e^{9t}(1-e^{18t})^2+ (18e^{18t})^2+( 18e^{18t})^2)[/tex]
After simplifying, we get:
[tex]\rm |T'(u)|= \dfrac{9\sqrt{2}e^{9t}}{e^{18t}+1}[/tex]
Now for the normal vector:
Divide T'(u) and |T'(u)|
We get:
[tex]\rm N(t) = \dfrac{1}{e^{18t}+1} ( 1-e^{18t}, \sqrt{2}e^{9t}, \sqrt{2}e^{9t})[/tex]
Thus, the unit tangent vector is T(u) and the unit normal vector is N(t) if the vector function. R(t) is equal to 9 2 t, e9t, e−9t.
Learn more about the vector here:
https://brainly.com/question/8607618
#SPJ4
2.
3х + 5x - 12
solve by quadratic formula
Answer:
3/2
Step-by-step explanation:
Please give me brainlist
The boxplots below show the test scores for 2 different classes. First period has 20 students and 2nd period has 16 students. How many more students scored 80 or higher in class 2 than in class 1?
A box plot has 5 data descriptions. The number of students who scored 80 or higher in class 2 than in class 1 is 2.
How does a boxplot show the data points?A box plot has 5 data descriptions:
The leftmost whisker shows the minimum value in the data.The rightmost whisker shows the maximum value in the data.The leftmost line in the box shows the first quartile.The middle line shows the median, also called the second quartile.The last line of the box shows the third quartile.The number of students in the first class who scored more than 80 is 10, while the number of students in the second class who scored more than 80 is 12.
Therefore, the number of students who scored 80 or higher in class 2 than in class 1 is 2(12-10).
Learn more about Box-plot:
https://brainly.com/question/1523909
#SPJ1
Is is package c a function
what do you mean package c explain more
Can someone please answer this, ill give you brainliest Would be very appreciated.
Answer:
Given function:
f(t) = (-16t - 2)(t - 1)
Part 1The zeros of the function are the values of t when f(t) = 0
⇒ f(t) = 0
⇒ (-16t - 2)(t - 1) = 0
⇒ (t - 1) = 0 ⇒ t = 1
⇒ (-16t - 2) = 0 ⇒ t = -2/16 = -1/8
Part 2The zeroes tell us the time (in seconds) when the ball is at ground level (when its height is zero).
Since time is not negative, only one zero is meaningful: t = 1
Therefore, the total journey of the ball, from throwing it to it hitting the ground, is 1 second.
Part 3The height the ball is thrown can be determined by inputting t = 0 into the function:
⇒ f(0) = (-16(0) - 2)(0 - 1)
⇒ f(0) = (0 - 2)(0 - 1)
⇒ f(0) = (-2)(-1)
⇒ f(0) = 2
Therefore, the height from which the beach ball is thrown is 2 ft.
Equation: y = (-16t-2)(t -1)
1) Finding zeros of the function?
To find zero's of the function y = 0
(-16t-2)(t -1) = 0
-16t - 2 = 0, t - 1 = 0
t = 2/-16, t = 1
t = -0.125, 1
2) What do the zero's tell us? Are they meaningful?
Answer: It tells us that the time is 1 seconds when the height of the ball is 0 or at rest.
3) From what height is the ball thrown?
Insert t = 0
y = (-16(0)-2)((0) -1)
y = 2
Ball thrown from 2 feet.
how many time 2/3 can go into 16
Explanation pls!!
Answer:
24 times
Step-by-step explanation:
16 divided by 2/3 is 24
hope this helped!
25x25 in exponential form
In this rug, given the horizontal segments are parallel and ∠1 ≅ ∠2, prove ∠3 ≅ ∠5.
1 is congruent to 3 and 2 is congruent to 5 because alternate interior angles are congruent.
Since 1 is congruent to 3 and to 2, then 3 is congruent to 2.
But 2 is congruent to 5, so since 3 is congruent to both 3 and 5, 3 and 5 must be congruent to each other.
What is being congruent in math?Two geometric figures are said to be congruent or to be in the relation of congruence if it is possible to superpose one of them on the other so that they coincide throughout.
The word 'congruent' means 'exactly equal' in terms of shape and size. Even when we turn, flip, or rotate the shapes, they remain equal. For example, draw two circles of the same radius, then cut them out and place them on one another.
What is an alternate interior angle?Alternate interior angles are the angles formed when a transversal intersects two coplanar lines. They lie on the inner side of the parallel lines but on the opposite sides of the transversal.
Learn more about congruent here:https://brainly.com/question/3168048
#SPJ2