3 years ago

Does anyone know the answers to Unit 3 lesson 14 geometry test/proofs unit test Plz Help!!

Mathematics

2 answers:

Katen [24]3 years ago

6 0

What’s the question you need help with

Eduardwww [97]3 years ago

4 0

Answer:

OK.....whats the question

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A basketball has a surface area of 1810 cm. find its volume<br>

julia-pushkina [17]

Answer:

V≈7240.89

Step-by-step explanation:

Use the formula V=A^(3/2) / $6\sqrt[n]{pi}$

8 0

4 years ago

A broken rectangular shaped window is being replaced. It measures 24 inches by 18 inches. How many square inches of glass are ne

olya-2409 [2.1K]

Sorry, I can't draw a picture, but I can help answer the question...

The way to determine the area of a square or rectangle is to multiply the base and the height, which in this case, is 24 and 18. So 24 times 18 is 432. Therefore, the amount of glass needed to repair the window is 432 inches squared.

Hope that helps!

8 0

4 years ago

If a number added to five is divided by the difference of the number and two, the result is three-fourths. Find the number.

alexandr1967 [171]

Answer:

x = - 26

Step-by-step explanation:

Let the number be x.

According to the question,

$\frac{x+5}{x-2} = \frac{3}{4}\\$

Cross multiplying 4 & 3 gives :-

$4(x+5)=3(x-2)$

And solving this eqn. gives :-

$4(x+5)=3(x-2)\\=> 4x+20=3x-6\\=>4x-3x=-20-6\\=>x=-26$

Verification :-

(putting the value of x = -26 )

$\frac{x+5}{x-2} \\\\=>\frac{-26+5}{-26-2} \\\\=> \frac{-21}{-28} \\\\=>\frac{21}{28}$

Reducing $\frac{21}{28}$ by 7 gives $\frac{3}{4}$ .

5 0

4 years ago

The revenue, in dollars, of a company that produces jeans can be modeled by 2x2 + 17x – 175. The cost, in dollars, of producing

PolarNik [594]

Hello,

P(x)=20x-50
==>P(75)=20*75-50=1450
Answer B

4 0

3 years ago

Read 2 more answers

Which products result in a perfect square trinomial? Check all that apply.

xxTIMURxx [149]

(-x+9)(-x-9) - prefect square
(xy + x)(xy + x) - perfect square
(2x-3)(-3+2x) - not a perfect square
(16- x²)(x2 – 16) - not a perfect square
(4y? +25)(25+4y?) - not a perfect square

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4 years ago