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slega [8]
2 years ago
9

O Watch help video

Mathematics
1 answer:
Ostrovityanka [42]2 years ago
4 0

Answer:

325+250= 575

Step-by-step explanation:

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10.5 divided by 8 i need to know
Diano4ka-milaya [45]
10.5 divided by 8 should be 1.3125
6 0
3 years ago
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What is (-7)^2 × (-7)?<br><br> I will mark the Brainliest, thank, and comment!<br><br> Thank you!
belka [17]

Answer:

The answer is -343.

Step-by-step explanation:

If a term doesn't have an exponent, it's considered that the exponent is 1 (so basically, (-7)² x (-7)^1.

Multiply the terms with the same base (by adding the exponents - (-7)²+1<- (as the exponential value) (couldn't find the sign so sorry.)

Add the numbers: (-7)³

A negative base raised to an odd power equals a negative: -7³

Write the problem out: -(7 x 7 x 7).

Multiply: -343

3 0
3 years ago
Select from the drop-down menus to correctly complete each statement. −20&gt;−21 −19&gt;−20 −21 is located to the of −20 on a nu
LekaFEV [45]

Answer:

  left, right

Step-by-step explanation:

If you use the < or ≤ symbol to compare the numbers, their left-right order is the same as on the number line. Here, we would write the ordering as ...

  -21 < -20 < -19

So, we see that ...

  -21 is <em>left</em> of -20 on the number line

  -19 is <em>right</em> of -20 on the number line

4 0
3 years ago
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The sum of 2 numbers is 46. One number is 12 more than the other. What are the numbers?
harkovskaia [24]

Answer:

two numbers are 29 and 17

Step-by-step explanation:

let the number be x

12+x+x=46

2x=46-12

x=34/2

x=17

another number is 12+x

12+17

29

5 0
3 years ago
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1/2 log2x=3log23 rewrite with out using logarithmic
Brums [2.3K]

Answer:

729

Step-by-step explanation:

\frac{1}{2}log_{2}x=3log_{2}3 \\

log_{2}\sqrt{x} =log_{2}3^{3}

\sqrt{x} =27 \\

x=27²=729

7 0
3 years ago
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