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Hitman42 [59]
3 years ago
5

A soccer field has an area of 7/8 square miles. The length of the field is 2/5 miles. What is the width of the soccer field?

Mathematics
1 answer:
bezimeni [28]3 years ago
5 0
7/8=2/5x
If you solve this you get 2.1875 or 35/16
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3x - 5y = 14 and – 2x + 2y = 0
zubka84 [21]

Answer:

x=5.6

y=-5.6

Step-by-step explanation:

3x - 5y = 14 Equation 1

– 2x + 2y = 0 Equation 2

Simultaneous equation can be solved either through elimination method or substitution method. But we use elimination method for this question

Multiply equation 1 by -2 (the coefficient of x in equation 2) and multiply equation 2 with 3 (the coefficient of x in equation 1), so that x will have the same coefficient in the new equations, and easy to eliminate

-2(3x - 5y = 14)

-6x+10y=-28 Equation 3

3(– 2x + 2y = 0)

-6x+6y=0 Equation 4

Subtract equation 4 from 3 to eliminate x

-6x+10y=-28

-6x+6y=0

-6x-(-6x)=-6x+6x=0

10y-6y=5y

-28-0=-28

5y=-28

y=-28/5

y=-5.6

Substitute for y in equation 2

– 2x + 2y = 0

– 2x + 2(-5.6) = 0

-2x-11.2=0

-2x=11.2

x=-11.2/2

x=5.6

7 0
3 years ago
Find the value for q for the following equation: 15q – 16 = 4(2q + 3)
Mars2501 [29]
Answer:
Q=4
15q-16=8q+12
7q-16=12
7q=28
Q=4
4 0
3 years ago
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Which equation has infinitely many solutions?
Umnica [9.8K]

Answer: B

Step-by-step explanation:

\dfrac{10x+8}{2} =5x+4\ cross\ products\\\\10x+8=10x+8\\\\0x=0\\

Every real is solution of the equation .

8 0
2 years ago
A beach ball a radius 15 centimeters what is the volume of the beach ball?
sladkih [1.3K]

Answer:

volume = 4/3 (pi x r^3)

Volume = 4/3 (pi x 15^3)

Volume = 4/3 (3.14 x 3375)

Volume = 14130 cubic cm

Step-by-step explanation:

4 0
3 years ago
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Course challenge
krek1111 [17]

Answer:

x=36

Divide the corresponding side (16) by 4/7

3 0
2 years ago
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