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2 years ago

Can someone help me please

Mathematics

1 answer:

Evgen [1.6K]2 years ago

3 0

Answer:

7 (7/8)

Step-by-step explanation:

There

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By what percent will a fraction decrease if its numerator is decreased by 85% and its denominator is decreased by 25%??

belka [17]

Answer:

106.67%

Step-by-step explanation:

85% as a fraction is 4/5

25% as a fraction is 3/4

Convert 16/15 to a decimal: 1.067

Multiply: 1.067 · 100= 106.67%

4 0

3 years ago

I will give Brainliest its maths and I need help on a b and c

JulsSmile [24]

Answer:

${5}^{3} \times {5}^{x} = {5}^{7} \\ 3 + x = 7 \\ x = 4$

$( {q}^{2} )^{y} = {q}^{6} \\ 2y = 6 \\ y = 3$

${1000}^{m} \div {100}^{n} = {10}^{z} \\ \frac{1000 ^{m} }{ {100}^{n} } = {10}^{z} \\ \\ {10}^{m - n} = {10}^{z}$

Can I have the brainliest please?

4 0

3 years ago

Read 2 more answers

Translate the phrase into an algebraic expression the product of 7 and c

lana66690 [7]

Answer:

7 x c

Step-by-step explanation:

product means multiply so you just multiply them

8 0

3 years ago

I did it wrong the first time

kvv77 [185]

Answer:

4.6

Step-by-step explanation:

For this question, we need the opposite side and have the opposite

with that said, out of SOH, CAH, TOA it's fastest to use TOA

tan(75)=17/x

17/(tan(75))=x

x= 4.555136271

which rounds to

4.6

4 0

3 years ago

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The square pyramid has a volume of 768 cubic inches. The height equals 1/6x and the base is just x. What is the value of x ?

Lunna [17]

The volume for a pyramid is $V= \frac{1}{3} Bh$ , where B is the area of the base and h is the height. We are given the volume, and the base and height in terms of x. Our formula then looks like this: $768= \frac{1}{3} (x)( \frac{1}{6} x)$ . Simplifying the right side we have $768= \frac{1}{18} x^{2}$ . Multiply both sides by 18 to get rid of the fraction and we have $13824= x^{2}$ , so x = 117.575

5 0

3 years ago