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3 years ago

Which expression has a value of two-third

1 answer:

5 0

While as you didn’t provide any picture or information on what the choices are, the answer would be a circle ((if there is a circle in any of your options-)) cut into three parts with two parts filled. Basically any shape that’s cut into three parts with two parts filled in would be your answer. Hope this helped!

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Approximately 4 5 of U.S. homeowners have a cell phone. What percent of homeowners do not have a cell phone? A 55% B 45% C 80% D

Nutka1998 [239]

4/5 = 80% there is your Answer:

4 0

3 years ago

Read 2 more answers

A hamster eats2/7 of a bag of carrots each day. Work out how many days it takes the hamster to eat 8 whole bags of carrots.

loris [4]

It will take the hamster 28 days to eat 8 whole bags of carrots.

If you divide 8 by 2/7 you will get the answer of 28.

6 0

2 years ago

One pump can fill a swimming pool in 6 hours. A second pipe drains the pool in 9 hours. If the the pool starts empty, what part

vitfil [10]

Answer:

1/6

Step-by-step explanation:

5/6=150/180

6/9=120/180

150/180 - 120/180 = 30/180

30/180=1/6

7 0

3 years ago

3. The ratio of the width to the length of a rectangle is 4:5. If the area of the rectangle is 500 square centimeters, what is t

Maurinko [17]

Answer:

<h2> 25 centimeters</h2>

Step-by-step explanation:

Ratio 4:5 means:

width: W = 4x

length: L = 5x

Area of rectangle: A = W×L

Therefore:

500 = 4x×5x

500 = 20x²

50 = 2x²

x² = 25

x = 5

W = 4×5 = 20 cm

L = 5×5 = 25 cm

8 0

3 years ago

I DONT KNOW THESE! HELP!

kkurt [141]

Answer:

20. x = 5, y = -2

21. x = 11, y = 12

22. x = 22, y = 11

23. x = 11, y = 10

Step-by-step explanation:

20. Opposite sides in the parallelogram are congruent, so

$2y+18=3x-1\\ \\6x-3=17-5y$

Solve this system of two equations:

$\left\{\begin{array}{l}2y-3x=-19\\ \\6x+5y=20\end{array}\right.$

Multiply the first equation by 2 and add two equations:

$2(2y-3x)+6x+5y=2\cdot (-19)+20\\ \\4y-6x+6x+5y=-38+20\\ \\9y=-18\\ \\y=-2$

Substitute it into the first equation:

$2\cdot (-2)-3x=-19\\ \\-3x=-19+4\\ \\-3x=-15\\ \\x=5$

21. Opposite angles in the parallelogram are congruent, so

$11x+5=10y+6$

Consecutive angles are supplementary, so

$6x-y+11x+5=180^{\circ}$

Solve this system of two equations:

$\left\{\begin{array}{l}11x-10y=1\\ \\17x-y=175\end{array}\right.$

From the second equation

$y=17x-175$

Substitute it into the first equation:

$11x-10(17x-175)=1\\ \\11x-170x+1750=1\\ \\-159x=-1749\\ \\x=11\\ \\y=17\cdot 11-175=187-175=12$

22. Opposite angles in the parallelogram are congruent, so

$2x-5=3y-12$

Consecutive angles are supplementary, so

$2x-5+7y+x=180^{\circ}$

Solve this system of two equations:

$\left\{\begin{array}{l}2x-3y=-7\\ \\3x+7y=185\end{array}\right.$

From the first equation

$x=-3.5+1.5y$

Substitute it into the second equation:

$3(-3.5+1.5y)+7y=185\\ \\-10.5+4.5y+7y=185\\ \\-105+45y+70y=1,850\\ \\115y=1,850+105\\ \\115y=1,955\\ \\y=17\\ \\x=-3.5+1.5\cdot 17=22$

23. Opposite sides in the parallelogram are congruent, so

$2x+9=4y-9\\ \\3x-5=2y+8$

Solve this system of two equations:

$\left\{\begin{array}{l}2x-4y=-18\\ \\3x-2y=13\end{array}\right.$

Multiply the second equation by 2 and subtract it from the first equation:

$2x-4y-2(3x-2y)=-18-2\cdot 13\\ \\2x-4y-6x+4y=-18-26\\ \\-4x=-44\\ \\x=11$

Substitute it into the first equation:

$2\cdot 11-4y=-18\\ \\-4y=-18-22\\ \\-4y=-40\\ \\y=10$

3 0

3 years ago