Answer:
1. 4 days
2. $1.2
3. 1 and 3 gallons
4. 15 and 10
16. 1.2 mi/h
-- Please refer to graph
-- Please refer to graph
Step-by-step explanation:
Solution 1.
Alex has $40, and Ellen has $24. Alex is saving $6 per day, and Ellen is saving $10 day.
Let x be the number of days in which they both have same money:
As per given statement:
[tex]40 + 6x=24+10x\\\Rightarrow 4x = 16\\\Rightarrow x =4[/tex]
In 4 days, they will have same money.
Solution 2:
Kendra owns a restaurant. She charges $6.00 for two eggs and one piece of toast and $3.60 for one egg and one piece of toast.
Let x be the price of one egg.
Let y be the price of one toast.
As per given statement:
[tex]2x+y=6 ...... (1)\\x+y= 3.6 ...... (2)[/tex]
Subtracting (2) from (1):
[tex]\Rightarrow x = \$2.4[/tex]
Price of toast = 3.6 - 2.4 = $1.2
Solution 3:
A restaurant has one type of lemonade that is 30% sugar and another that is 10% sugar. Resultant mixture 4 gallons of 15% sugar.
Let x be the amount of lemonade with 30% sugar.
Amount of another lemonade with 10% sugar = (4-x)
As per question statement:
[tex]x \times 30\% + (4-x) \times 10\% = 4 \times 15\%\\\Rightarrow x \times 30 + (4-x) \times 10 = 4 \times 15\\\Rightarrow 20x = 20\\\Rightarrow x = 1[/tex]
Lemonade with 30% sugar required is 1 gallon.
Lemonade with 10% sugar required is 3 gallons.
Solution 4:
A scientist has a container of 2% acid solution and a container of 5% acid solution. Resultant mixture is 25 fl oz of 3.2%.
Let x be the amount of 2% acid solution.
Amount of another lemonade with 5% acid solution = (25-x)
As per given question statement:
[tex]2\%\ of\ x + 5\% \ of\ (25-x) = 3.2\%\ of\ 25\\\Rightarrow 2x + 5(25-x)=3.2 \times 25\\\Rightarrow -3x = -1.8 \times 25\\\Rightarrow x = 15[/tex]
2% acid solution required is 15 fl oz.
5% acid solution required is 10 fl oz.
Solution 16:
Let v be the speed of river current.
Let u be the speed of kayaker.
As per question:
The speed of a kayaker is 5.75 mi/h paddling with the river current and 3.25 mi/h paddling against it.
[tex]u +v=5.75......(1)\\u-v = 3.25.....(2)[/tex]
Equation (1) - (2):
[tex]2v = 2.5\\\Rightarrow v = 1.25\ mi/h[/tex]
----------------------------------
Susan make $12 per hour babysitting and $24 per hour as a lifeguard. Her goal is to make at least $420.
Let x be the number of hours for babysitting.
Let y be the number of hours as lifeguard.
As per given statement:
[tex]12x+24y > 240[/tex]
Please refer to graph attached with file name: Inequality
Three possible solutions: (20,20), (21,21) and (22,22)
----------------------------------
25. Joe wants to fence a rectangular pen for his goats. The length of the pen should be at least 40 ft, and the distance around should be no more than 150 ft
Let x be length
and y be width.
As per statement:
x > 40
And perimeter should be less than equal to 240.
2(x+y) [tex]\leq[/tex] 240
Please refer to attached graph with name: "2EquationInq"
Possible dimensions of pen can be (50,20).
If two quadrilaterals are congruent, then there must be _____ pairs of corresponding sides. 8 4 2 3
Answer:
is two quadrilaterals are congruent, ten there must be 4 pairs of corresponding sides.
Answer:
4 pairs of corresponding sides
Step-by-step explanation:
if two quadrilaterals are congruent, then they have the same sides and are identical
quadrilaterals have 4 sides
therefore, each of their 4 sides are identical to each other
making the answer 4 pairs of corresponding sides.
hope this helps!!!
(btw i just took the gradpoint test and the answer was right)
doing math need help on it
Answer:
386 that lay eggs
Step-by-step explanation:
440-39= 401 hens
401hens- 15= 386
Answer:
386 that lay eggs
440-39= 401 hens
401 hens- 15= 386
:-)
Nth term of 9,13,17,21,25,29
Answer: The next 5 numbers would be "33,37,41,45,49
Step-by-step explanation:
I need an answer ASAP!!!!!!!!!
The circle below is centered at the point (2,-1) and has a radius of length 3. What is its eqaution
Answer:
(x - 2)² + (y + 1)² = 9
Step-by-step explanation:
Circle equation: (x - h)² + (y - k)² = r²
Simply plug in your center (h, k) and your radius r and you have you final answer!
Daja is paid $12.45 an hour. Dahja worked overtime and gets paid double time. What is her double time pay rate? *
Answer: Her double time pay rate = $24.9 per hour.
Step-by-step explanation:
We have given that, Daja is paid $12.45 an hour.
In other words, her usual time pay rate = $12.45 per hour
Also, If Dahja worked overtime and gets paid double time.
Then, her double time pay rate = 2 x (usual time pay rate) [as double means 2 times]
= 2 x $12.45 per hour
= $ 24.9 per hour
Hence, her double time pay rate = $24.9 per hour.
i.e. Daja is paid $24.9 an hour for overtime.
1.Segments AB, EF, and CD intersect at point C, and angle ACD is a right angle. Find the value of g. Do NOT include degrees.
2.Find the area of the unshaded part of the figure
3. In the figure, angles c and e are vertical angles. Angles a and c are complementary angles. The measure of angle d is 124 degrees and the measure of angle c is 56 degrees.
Answer:
See below;
Step-by-step explanation:
1 . Consider the step below;
[tex]m< DCA = 90 degrees - Given ,\\m< ACB = 180 degrees - Straight < ,\\\\m< DCA + m< DCB = 180,\\m< DCB = 90 degrees,\\\\By Parts Whole Postulate - m< DCB = m< DCE + m< ECB,\\m< DCB = m< DCE + m< ECB,\\90 = 53 + g,\\Conclusion ; ( g = 37 degrees )[/tex]
Thus, Solution ; g = 37 degrees
2 . Knowing that these circle are " circumscribed " in this rectangle so that they are perfectly aligned, considering the length of this rectangle to be 20 inches, let us determine the radius;
[tex]Diameter Of 1 Circle - ( 20 inches ) / 4 = 5 inches,\\Radius of 1 Circle = ( 5 inches ) / 2 = 2.5 inches,\\\\Area of 1 Circle = \pi r^2 = \pi * ( 2.5 )^2 = 6.25\pi,\\Area of 4 Circles = 6.25\pi * 4 = 25\pi,\\Area of 4 Circles = Area of Shaded Region,\\\\Conclusion ; Area of Shaded Region = 25\pi[/tex]
Thus, Solution ; 25π
3. Let us first consider the given, then solve for the value of a, b, e;
[tex]Angles c + e - Vertical Angles,\\Angles a + c - Complementary,\\( a + c ) = 90,\\Angle c = 56 degrees,\\a + 56 = 90,\\Conclusion ; a = 34 degrees,\\\\[/tex]
[tex]m< e = m< c,\\Conclusion ; e = 56 degrees[/tex]
[tex]m< e + m< a + m< b = 180 - Straight Line,\\56 + 34 + m< b = 180,\\m< b = 180 - 56 - 34,\\Conclusion ; b = 90 degrees[/tex]
Solution; a = 34°, b = 90°, e = 56°
please help math asap! #4!
Answer:
k=9
Step-by-step explanation:
m=–4=slope
slope formula= m = (y1–y2)÷(x1-x2)
In this case, we are missing the value of y1, so we just need to isolate it:
–4=(k–1)/(2-6)
simplify parentheses
–4=(k–1)/–2
multiply by –2 on both sides
8=k–1
add 1 to both sides
k=9
Thank You
Which system of inequalities has a line as a solution?
2x + 4y23
2x+4y S3
2x + 4y 23
2x + 4y > 3
2x + 4y > 3
2x + 4y <3
DONE
Answer:
Yeah it's A, on my mama
2x + 4y >_ 3
2x+4y<_3
Answer:
First option ( Did it on edge
Step-by-step explanation:
Find the area of the trapezoid PART. Need this done by Saturday 6/5/20 11:00 AM
Answer:
Area(PART)= 7.5 u^2
Step-by-step explanation:
RT=1 unit
PA=4 units
Distance between T (or R) and PA= 3 units
RT;PA = Bases
T (or R)--> PA= Altitude/Height
Area of trapezoid= Alt(B1+B2)/2
--> 3(1+4)/2
=> 3*5÷2
=15/2
=7.5
Thanks
Tomas has a garden with a length of 2.45 meters and a width of 5/8 meters. Use benchmarks to estimate the area and perimeter of the garden?
Answer: The area is 1 1/4. The perimeter is 6.
Step-by-step explanation: 2.45 is about 2.5. 5/8 is about 1/2. To find the area we need to multiply length times width. 2.5 is 2 and 1/2 which is 5/2. 5/2 times 1/2 is 5/4. To simplify it divide 5 by 4 which is 1 with remainder 1. 5/4 is 1 1/4. Therefore the area is 1 1/4 meters squared. To find the perimeter we have to add length + length + width + width. . 2.5 is the same thing as 2 1/2. 5/8 is about 1/2 if we use benchmarks. 2 1/2 + 2 1/2 + + 1/2 + 1/2 is 6. The perimeter is 6.
Write the slope intercept form Through:(-1,0) and (-5,-5)
Answer:
[tex]y=\frac{5}{4} x + \frac{5}{4}[/tex]
The answer Is no A
please help
Answer:
the answer is d
\can i get a brainliest pls
Find x in the given figure. answers : 55° 125° 35° 60°
Answer:
Step-by-step explanation:
<6= 125 degrees
<3 = 125 degrees
x = 55 degrees
Answer:
Step-by-step explanation:
55° and ∠4 are corresponding angles made by parallel lines. Therefore, they're congruent.
∠4 = 55°
Lines s and t are parallel lines and ∠4 and x are the interior angles at the same side of the transversal l. Therefore, they're supplementary.
∠4 + x = 180°
55° + x = 180°
x = 180° − 55° = 125°
Area of circle =
12 x square units
36 y square units
6 Square units
A cone with a diameter of 6 centimeters and a height of 8 centimeter is drilled into a wooden cube with sides measuring eight centimeters, find the volume of the wood that remains?
We began be finding the volume of each shape, the we subtracted the volume of the cone from the volume of the cube.
Volume of wood that remain = 436.6 cm^3
Volume of SolidsGiven Data
Diameter of cone = 6 cmRadius = 3 cmHeight of cone = 8 cmDimension of Cube = 8 cmLet us find the volume of the cone
Volume of cone = πr^2h/3
Volume of cone = 3.142*3^2*8/3
Volume of cone = 3.142*9*8/3
Volume of cone = 226.224/3
Volume of cone = 75.408cm^3
Let us find the volume of the cube
Volume of cube = L^3
Volume of cube = 8^3
Volume of cube = 512cm^3
Hence the volume of the wood that remains
= volume of cube - volume of cone
= 512 - 75.408
= 436.6 cm^3
Learn more about volume of solids here:
https://brainly.com/question/21036176
Please help me answer this question
Answer:c
Step-by-step explanation:
4/3 times pi times 7 cubed
1. What is the average of 12, 43, 51, 62?
A 32
B51
C42
D 36
NEED HELP!
Answer:
42
Step-by-step explanation:
Average =
Sum of the terms/ number of terms
Terms here refers to the data or the values given
So,
The sum is 12+43+51+62= 168
The number of terms is 4
Therefore the average is,
168/4
= 42
Answer:
42
Step-by-step explanation:
Average =
Sum
/Count
=
168/4
= 42
MARK ME BRAINLIEST
What is the probability of flipping two coins and having both coins land on tails? A. 1/2. B. 1/4. C. 1/6. D. 1
Answer:
B
Step-by-step explanation:
P=(1/2)(1/2)=1/4
What word describes the "4" in the expression 4x - 10?
A. Coefficient
B. Sum
C. Term
D. Product
Answer:
4 is a coefficient
Step-by-step explanation:
4x - 10
x is the variable and 4 is the coefficient since it is next to the variable
-10 is the constant
4x is a term
4x-10 is a sum
Answer:
A) Coefficient.
Step-by-step explanation:
Please help with this
Answer:
x=35
Step-by-step explanation:
When a is parallel to b, the two angles will add to 180
x+ 3x+40=180
Combine like terms
4x+40 =180
Subtract 40 from each side
4x= 180-40
4x= 140
Divide by 4
4x/4 = 140/4
x=35
Use the formula to evaluate the series 3-9+27-81+...-ae
Answer:
( -4920)
Step-by-step explanation:
we see that the first term is 3 and the common ratio between the succeeding terms is -3. so to solve for the sum of the first 8 terms
Sum = (a1)(1 – r^n) / (1 – r)
and substituting the known terms,we got
Sum = (3)(1 – (-3)^8)/(1 - (-3)) = -4920
Then the answer = ( -4920)
r: p = 5r – 2t What is this answer please.
Answer:
1/5(p+2t) = r
Step-by-step explanation:
p = 5r – 2t
Add 2t to each side
p+2t = 5r – 22t
(p+2t) = 5r
Divide each side by 5
1/5(p+2t) = r
Answer:
[tex] r = \frac{p + 2t}{5} \\ [/tex]
Step-by-step explanation:
[tex]p = 5r - 2t \\ p + 2t = 5r \\ \frac{ p + 2t}{5} = \frac{5r}{5} \\ r = \frac{p + 2t}{5} [/tex]
hope this helps
brainliest appreciated
good luck! have a nice day!
I need help plz I’m confused will mark as Brainliest
Answer:
64π
Step-by-step explanation:
HELP 50 POINTS FOR ANSWERING
Answer:
see below
Step-by-step explanation:
P( math or english) = number of math or english / total
This would include the people that studied both (20+11+39)
= 70/100
P( math and english) = number of math and english / total
This is the people that studied both
= 11/100
P( math or english but not both) = number of math or english / total
This includes only the people that study one or the other but not both (20+39)
= 59/100
Answer:
[tex]\boxed{\sf {view \: explanation}}[/tex]
Step-by-step explanation:
[tex]\sf a) \ \frac{maths+english }{total}[/tex]
[tex]\sf \frac{20+11+39}{100} =\frac{70}{100}[/tex]
[tex]\sf b) \ \frac{intersection \ of \ math \ and \ english }{total}[/tex]
[tex]\sf \frac{11}{100}[/tex]
[tex]\sf b) \ \frac{excluding \ intersection \ of \ math \ and \ english }{total}[/tex]
[tex]\sf \frac{20+39}{100} =\frac{59}{100}[/tex]
Please help me .............
Answer:
The first one.
Step-by-step explanation:
For something to be considered to be a graph, every x value must have 1 y value. It does not matter if y values are the same, but you MUST make sure there is ONLY ONE of each value. So for example the second one wouldn't be a function because -5 appears twice for the x values, but with different y values. This would mean when graphed, it would fail the vertical line test (if you put a vertical line anywhere on the graph you will only get one point).
Answer:
The first one
Step-by-step explanation:
because it is the only one that actually applies to the function
15 POINTS!!!ASAP!!!HELP!!!!!! I WILl MARK THE BRANLIEST!!!The graph relates the number of gallons of white paint to the number of gallons of red paint Jess used to make the perfect print. Write an equation that describes the relationship.
Answer:
The white paint is 1.5 times the red paint. 1.5 is the same as 1 1/2 or 3/2. x = 3/2 y
Step-by-step explanation: In the graph there is one point where both x and y is a whole number. 3,2 . 3 white paint is equal to 2 red paint. You divide 3 by 2 which is 1.5, or 1 1/2 or 3/2. The relationship is that x is 3/2 times y. x = 3/2y
The length of a rectangle is given by x + 2 and its width is equal to 3. Give a simplified expression of the area of this rectangle.
Given:
Length,l = x + 2Breadth,b = 3To find out:
Find the area of rectangle?
Formula used:
Area of rectangle = length × breadth
Solution:
We know that,
Area of rectangle = length × breadth
= ( x + 2 ) × 3
= 3x + 6
The radius of a circle is 10 ft. Find its area in terms of pi
Answer:
314.16ft²
Step-by-step explanation:
A = πr² = π · 10² ≈ 314.15927ft²
Answer:
100π ft²
Step-by-step explanation:
r= 10 ft
A= πr²= π*10²= 100π ft²
Solve the following system of equations:
x + 3y = −4
x + 5y = −6
pls and thx
Answer:
x = -1 y = -1
Step-by-step explanation:
x + 3y = −4
x + 5y = −6
Multiply the first equation by -1
-x - 3y = 4
The add to the second equation to eliminate x
-x - 3y = 4
x + 5y = −6
--------------------
2y = -2
Divide by 2
2y/2 = -2/2
y = -1
Now solve for x
x+3y = -4
x +3(-1) = -4
x -3 = -4
Add 3 to each side
x-3+3 = -4+3
x = -1
Answer:
work is pictured and shown
How many ways are there of arranging three different Math books, five different History books and four different Science books side by side on a shelf if books of the same subject must be together?
Answer:
There are 34560 ways the books can be arranged.
Step-by-step explanation:
I crank my 90s like fazeway