What is the answer to this somebody!!!

Mathematics

1 answer:

Fed [463]4 years ago

7 0

Use the geometric mean for right triangles as the sides are related to the hypotenuse. 30 - 6 = 24. We need that for our proportion. $\frac{24}{x}=\frac{x}{30}$ . We cross-multiply to get $x^2=720$ . Taking the square root of both sides gives us that $x=12\sqrt{5}$ , the second choice above.

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6. A group of students was given the following to simplify: 3x+7. Brian believes that this expression simplifies to 10x because

PIT_PIT [208]

Marcos is correct because 3x is not a like term to 7, since you cannot add them it’s already in its most simplified form and stays as 3x + 7.

7 0

3 years ago

I NEED HELP PLEASE PLEASE

Aliun [14]

Answer:

length= 17.5

width=11.5

( I worked this out myself but I don't know if its right tho)

5 0

3 years ago

I don’t get this? Someone please answer and explain :))

xenn [34]

Answer:

True

Step-by-step explanation:

That expression is called the "Quadratic formula" and basically the solution to any second degree equation can be find by using the quadratic formula.

Attached you can find the procedure to get to the quadratic formula from the general equation of a second degree polynomial.

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3 years ago

Read 2 more answers

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bogdanovich [222]

Answer:

store D

Step-by-step explanation:

Becuase if the Store D hast the same cost as the Store B it will be better to pick at store D because The original price is 550 for the dress meanwhile The store D have 28% off which it only cost 296$

5 0

3 years ago

If W, V, and U are the midpoints of triangle SRT, find SR.<br>A.1.7B.2.3C.3.4D.4.6

liq [111]

ANSWER

The correct answer is 4.6

EXPLANATION

$|SR|=|RU|+|SU|$