4 years ago

Which pair of ratios is equivalent?

Mathematics

1 answer:

krek1111 [17]4 years ago

3 0

Answer:A

Step-by-step explanation:

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Can you Find the solution of the system of equations?

Lunna [17]

Answer:

x = 3

y = 2

Step-by-step explanation:

multiply by -1 the second equation and add the two equations

$7x-7y=7\\4x+7y=26$

$11x=33$

$x=33/11$

$x=3$

"y" is calculated:

$7(3)-7y=7$

$21-7y=7$

$-7y=-14$

$y=\frac{-14}{-7} =2$

Hope this helps

5 0

3 years ago

Last question I have

marta [7]

X=13

Hope this helps!

5 0

3 years ago

carlos drank 24ml of water during football practice in 6 hour. how many liters did he drink per hours on average ?

dlinn [17]

Answer: 4

Step-by-step explanation:

24 ml / 6 hours = 4 ml / 1 hour

3 0

3 years ago

Subtract.<br> 5/23 - 4/23<br> (Type an integer or fraction.)

ad-work [718]

Answer:

1/23

Step-by-step explanation:

5/23 - 4/23 would be 1/23. When the denominators of the fractions are the same, you can just subtract the numerators.

7 0

3 years ago

The first two diamonds are filled in, can you figure out how the numbers are related when

balu736 [363]

Answer:

Step-by-step explanation:

Upper box in the diamond: Add the two numbers ⇒ (-2) + 3 = -1

Bottom box in the diamond : Multiply the two numbers ⇒ (-2) * 3 = -6

3) Upper box = (-6) + (-3) = (-9)

Bottom box = (-6) *(-3) = 18

4) Upper box = 1 +(-11) = -10

Bottom box = 1 *(-11) = -11

5) Upper box = 7+8 = 15

Bottom box = 7*8 = 56

7 0

2 years ago