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2 years ago

Can someone please help me with this question

Mathematics

1 answer:

Vladimir [108]2 years ago

5 0

1) 4^12 -You just need to add the powers if the main number is the same.
2) 6^7 -Just add the powers together.
3) 8^5 - you need to take away the 8 as both main numbers are the same.
4) (I couldn’t see it clearly but I think it said 7^8x7^5= 343

Hope this helped and you get your marks

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Frank and Gertrude mow lawns for extra money over the summer. Frank's income is determined by f(x) = 5x + 15, where x is the num

Zepler [3.9K]

H(x)=5x+15+4x+20

if x=4, together it would be 5(4)+15+4(4)+20
h(x)=20+15+16+20=71
Divided by 2, they'd each get 35.5

If Frank worked alone, he'd get 5(4)+15= 35
He'd make more working together.

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2 years ago

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Which expressions have a quotient of 4/5

goblinko [34]

Answer:

b and e

Step-by-step explanation:

a. 5/2 ÷ 1/2 =

5/2*2 =
5

b. 6/9 ÷ 5/6

2/3*6/5 =
2*2/5 =
4/5

c. 3/6 ÷ 2/5

1/2 * 5/2 =
5/4

d. 7 1/2 ÷ 6 =

15/2*1/6 =
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5/6

e. 1 1/3 ÷ 1 2/3=

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2 years ago

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To rewrite the expression ab+a+b+1, Jozelle first writes (ab+a) + (b+1). What property justifies this?

rodikova [14]

Answer:

I believe it is associative property of addition or commutative

Step-by-step explanation:

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2 years ago

Find the volume of this sphere.<br> Use 3 for T.<br> V~ [?]in3<br> V = Tr3<br> r=4in

timofeeve [1]

Answer:

The answer is 256 $in^{3}$ .

Step-by-step explanation:

To solve for the volume of the sphere, start by using the sphere volume formula, which is V = $\frac{4}{3} \pi r^{3}$ . However, in this formula, 3 will be used instead of ( $\pi$ ).

Next, plug in the information given from the problem, and the formula will look like V = $\frac{4}{3}$ (3) ( $4 in^{3}$ ).

Then, solve the equation, and the answer will be 256 $in^{3}$ .

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2 years ago