3 years ago

I need help with 3 plz

Mathematics

2 answers:

dimulka [17.4K]3 years ago

5 0

See photo for solution

a. 77 ft^2
b. 58 ft

Butoxors [25]3 years ago

3 0

For queston (B) is 72 inches squarde

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Is <img src="https://tex.z-dn.net/?f=2%5E%7B-3%7D" id="TexFormula1" title="2^{-3}" alt="2^{-3}" align="absmiddle" class="latex-f

TEA [102]

Answer:

Rational

Step-by-step explanation:

$2^{-3}$ simplifies to $\frac{1}{8}$ .

Therefore, it is rational.

$2^{-3}\\\\\text {Apply negative exponent rule: } a^{-n} = \frac{1}{a^n} \\2^{-3}= \frac{1}{2^3}\\ \rightarrow 2^3 = 2*2*2=8\\\boxed{2^{-3}=\frac{1}{8}}$

<em>Brainliest Appreciated. </em>

5 0

3 years ago

How is. X^2=36 rational?

elena55 [62]

Answer:

${x}^{2} = 36 \\ x = \sqrt{36 } \\ x = 6 \\ it \: is \: rational \: number \: because \: we \: can \: write \: 6as \: 6 \1 \: it \: is \: in \: the \: form \: of \: p \q \: where \: \: q \: i \: not \: equals \: to \: 0$

hope this will help you.

6 0

4 years ago

What is 2/3x=10 one step equations

stellarik [79]

Multiply both sides by three to get 2x=30
Then divide both sides by 2 to get x=15

7 0

3 years ago

What (12 x 13 + 18 x 45) i really need help

dalvyx [7]

Answer: 966

Step-by-step explanation:

(12 x 13 + 18 x 45)

Apply BODMAS rule (BODMAS is a short form for Brackets, Of, Division, Multiplication, Addition and Subtraction)

So, do your multiplication task first

(12 x 13 + 18 x 45)

= (156 + 18 x 45)

= (156 + 810)

Now, do your addition task

= 156 + 810

= 966

6 0

4 years ago

Read 2 more answers

There are three consecutive even integers. Three times the smallest is twice the largest. What are the integers?

MaRussiya [10]

Answer:

8, 10, 12 are the integers

Step-by-step explanation:

Guess and check

4 0

4 years ago