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Ahat [919]
2 years ago
6

Which pair shows equivalent expressions?

Mathematics
2 answers:
Elodia [21]2 years ago
7 0

Answer:

C. 2(2/5x + 2) = 4/5 x +2

Explanation:

2 x 2/5= 4/5,

Multiply 2 by 2/5 which equals 4/5

After multipling you have 4/5 + 2.

C is the only answer that has 4/5 + 2 on both sides giving you,

4/5 x + 2 = 4/5 x +2

balu736 [363]2 years ago
3 0

Answer:

2(2/5x+2)= 2*2/5x + 2*2= 4/5x+4

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Michael has two more apples than Ann does. Together, Michael and Ann have no more than 9 apples. If Ann has at least one apple,
fiasKO [112]

Answer:

ann has 1 apple and Michael has 8 apples

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PLEASE HELP ME!! Graph the line, y+4=1/5(x-1)
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Answer:

Look at picture attached

Step-by-step explanation:

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8 0
3 years ago
an airplane travels 4688 kilometers against the wind in 8 hours and 5808 kilometers with the wind in the same amount of time. wh
Vladimir [108]

The speed of wind is 656 kmph and speed of plane is 70 kmph.

<u>SOLUTION: </u>

Given that, an air-plane travels 4688 kilometers against the wind in 8 hours

And 5808 kilometers with the wind in the same amount of time.  

We have to find the rate of the plane in still air and the rate of wind

Now, let the speed of wind be a kmph and speed of plane be b kmph.

And we know that, \text { distance }=\text { speed } \times \text { time }

\begin{array}{l}{\text { Then, while travelling with wind } \rightarrow 5808=(a+b) \times 8 \rightarrow a+b=726 \rightarrow a=726-b \rightarrow(1)} \\\\ {\text { While travelling against wind } \rightarrow 4688=(a-b) \times 8 \rightarrow a-b=586 \rightarrow(2)}\end{array}

Substituting (1) in (2) we get,

\Rightarrow 726-b-b = 586\Rightarrow -2b=586-726 \Rightarrow -2b=-140

\Rightarrow b=\frac{140}{2} \Rightarrowb=70\Rightarrow (3)

On substituting (3) in (1) we get,

a=726-70=656\Rightarrow a=656

Hence, the speed of wind is 656 kmph and speed of plane is 70 kmph.

4 0
3 years ago
Prove that JOYS with vertices j(1,1) o(2,-6) y(3,3) s(2,10) is a parallelogram
zmey [24]

For this you're going to use distance formula

D= square root of (x2-x1)^2 + (y2-y1)^2

To prove this is a parallelogram ALL sides must equal the same or two sides + two sides must be the same.

Find the distance of JO, YS, JS, and OS. If you have too find the distance of JY and OY. Using the formula above. Hope this helps you. If you need further help I can assist you with a problem step by step

4 0
2 years ago
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