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Svetradugi [14.3K]
3 years ago
14

What is -18 + (-45) + 12

Mathematics
2 answers:
alexgriva [62]3 years ago
6 0

Answer:

-51

Step-by-step explanation:

hope it helps you! good luck!

qaws [65]3 years ago
5 0
The answer is -51, hope this helps
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Estimate the following sum by rounding each number to the nearest 10<br>plz​
Harlamova29_29 [7]

Answer:

184

Step-by-step explanation:

129.5 + 34.62 + 19.1

130 + 35 + 19

184

7 0
3 years ago
A cheetah can run 70 miles per hour. what is this speed in feet per hour? explain work,
Brums [2.3K]
Tee answer would be 369,600, because 5,280 x 70 = 369,600
7 0
3 years ago
Read 2 more answers
Simplify. (5x4 + 3)2 A. 25x8 + 30x4 + 9 B. 10x8 + 30x4 + 6 C. 25x16 + 30x4 + 9 D. 25x8 + 9​
elixir [45]

Answer:

<h2>The answer is option A</h2>

Step-by-step explanation:

( 5x⁴ + 3)²

( 5x⁴ + 3)(5x⁴ + 3)

<u>Expand</u><u> </u><u>using</u><u> </u><u>FOIL</u>

That's

(5x⁴)(5x⁴) + 5x⁴(3) + 3(5x⁴) + 3(3)

We have

<h3>25 {x}^{8}  +  {15x}^{4}  +  {15x}^{4}  + 9</h3>

<u>Add and simplify like terms</u>

We have the final answer as

<h2>{25x}^{8}  +  {30x}^{4}  + 9</h2>

Hope this helps you

8 0
3 years ago
Chandra has 15 feet of ribbon to make bows for 6 teams how much ribbon can she use for each bow if she cuts the ribbon into equa
SIZIF [17.4K]

Answer:

2.5 feet for each bow

Step-by-step explanation:

15/6= 2.5

6 0
3 years ago
Write in expanded form. Use parentheses to indicate multiplication.<br><br> (2 r ) 5
olasank [31]

Answer: (2r)^{5}=(2r)(2r)(2r)(2r)(2r)


Step-by-step explanation:

1. To solve the exercise shown in the problem, you must remember that the exponent 5 indicates the number of times 2r is used as a factor. Therefore, it is used as a factor five times.

2. Therefore, keeping the information above on mind, you have that you can write the expanded form of (2r)^{5} as following:

(2r)^{5}=(2r)(2r)(2r)(2r)(2r)


6 0
3 years ago
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