The question on the picture please

Mathematics

1 answer:

pogonyaev2 years ago

7 0

Answer: D. 21

Step-by-step explanation: 4/10=X/15 then X=6. Plug that in which is 6+15=21

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PLEASE HELP ME I WILL DO A POINTS GIVEAWAY AFTER ALL OF MY QUESTIONS ARE SOLVED

xz_007 [3.2K]

Answer: 9

Step-by-step explanation:

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3 years ago

Solve the quadratic equation with there being two solutions

jeyben [28]

4a^2=9
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3 years ago

Deirdre plotted a point D in Quadrant IV. After she reflected the point across an axis, the reflection was in Quadrant III. Give

Lostsunrise [7]

It depend on what d was. anything in Q3 can work for the reflection and both x and y are negative, you can say that for sure. for the actual point D, anything in Q4. in Q4 x is positive and y is negative. if d is (3,-3) then it's reflection is (-3,-3)

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3 years ago

Russell and Aaron can build a shed in 8 hours when working together. Aaron works three times as fast as Russel. How long would i

Whitepunk [10]

Answer:

32 hours.

Step-by-step explanation:

Let x represent the time taken by Russell and Aaron to build the shed.

We have been given that Russell and Aaron can build a shed in 8 hours when working together. Aaron works three times as fast as Russel.

Russell's work rate would be $\frac{1}{x}$ .