All categories

3 years ago

What is the value of the expression below?

Mathematics

1 answer:

Usimov [2.4K]3 years ago

4 0

Answer:

D. 24 1/2

Step-by-step explanation:

You might be interested in

PLS HELP DUE IN 1 HOUR <br><br> write the expression using positive exponents <br> 1/3^-5

drek231 [11]

<h3>Answer: 3^5</h3>

Explanation:

The rule used is $\left(\frac{a}{b}\right)^{-c} = \left(\frac{b}{a}\right)^{c}$

That rule says to go from a negative exponent to a positive exponent, we apply the reciprocal of the fraction.

So,

$\left(\frac{1}{3}\right)^{-5} = \left(\frac{3}{1}\right)^{5} = 3^5$

4 0

3 years ago

ILL BRAINLIEST YOU PLEASE HELP ME

Margaret [11]

Answer: x = 34

Step-by-step explanation: ok so when you put 2 triangles together and make a rectangle the length and width will still be the same! so the answer is 34ft

8 0

3 years ago

Find the perimeter of the window to the nearest hundredth.

Natalka [10]

7.71 feet is your answer.

6 0

1 year ago

Changle. Show all work. Round each length to the nearest tenth and each angle to the

Sedaia [141]

Answer:

Part 1) $BC=12.2\ units$

Part 2) $m\angle A=55^o$

Part 3) $m\angle C=35^o$

Step-by-step explanation:

Part 1) Find AC

we know that

In the right triangle ABC of the figure

Applying the Pythagorean Theorem

$AC^2=AB^2+BC^2$

substitute the given values

$AC^2=7^2+10^2$

$AC^2=149\\AC=12.2\ units$

Part 2) Find the measure of angle A

we know that

In the right triangle ABC

$tan(A)=\frac{BC}{AB}$ ----> by TOA (opposite side divided by the adjacent side)

substitute the values

$tan(A)=\frac{10}{7}$

using a calculator

$m\angle A=tan^{-1}(\frac{10}{7})=55^o$

Part 3) Find the measure of angle C

we know that

In the right triangle ABC

$m\angle A+m\angle C=90^o$ ----> by complementary angles

substitute the given value

$55^o+m\angle C=90^o$

$m\angle C=90^o-55^o=35^o$

8 0

3 years ago

Keely scored 128 points, which was 4 times as many points as Grayson scored. Which equation can be used to find the number of po

Ludmilka [50]

Answer:

Step-by-step explanation:

take 128 divide by 4

4 0

2 years ago