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Vinvika [58]
2 years ago
7

Which expression is equivalent to -66.1 - (-55.6)?

Mathematics
1 answer:
Harlamova29_29 [7]2 years ago
3 0

Answer:

2nd option -66.1 + 55.6

Step-by-step explanation:

When you subtract a negative it's the same as just adding. It's like a double negative means a positive. 2 minus signs kind of cancel each other out.

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The book shelly is reading has 235pages. She has already read 110 pages. If she reads 25 pages a day from now on, how many more
saul85 [17]

Answer: If Shelly reads 25 pages a day for 5 days she will finish her book

Step-by-step explanation: 235-110=125

                                             125/25=5

6 0
3 years ago
Read 2 more answers
Robert made a design on his wall with the similar pentagon tiles shown.
IRINA_888 [86]

Answer:

5

Step-by-step explanation:

5

4 0
2 years ago
Determine whether the underlined value is a parameter or a statistic. In a national survey on substance abuse comma Modifying 66
Iteru [2.4K]

Answer:

Parameter                                                                                

Step-by-step explanation:

Parameter and statistic:

  • Parameter is a numerical value that describes a population.
  • A sample is a part of the population and always smaller than the population.
  • The statistic is a numerical value that describes a sample.

Population of interest:

College students aged 18 to 22

Parameter:

66.4% reported using alcohol within the past month

Thus, the given is a parameter as it describes a population proportion.

4 0
3 years ago
What is the correct factorization of x^2 - 2x - 15?
iragen [17]

Answer:

option b

Step-by-step explanation:

{x}^{2}  - 2x - 15

{x}^{2}  - 5x + 3x - 15 = 0

x(x - 5) + 3(x - 5) = 0

(x - 5)(x + 3) = 0

x = -3 (Not possible)

x = 5

So, x = 5

8 0
2 years ago
5 ÷ x for x = 1/3 solve
WARRIOR [948]
So if x is equal to 1/3, then our equation would be 5/(1/3). When dividing by a fraction, you can multiply by the reciprocal to find the answer, meaning that if you divide by 1/3, you can multiply by 3/1. So your answer would be 15.
5/(1/3)=x
5*3=x
15=x

6 0
2 years ago
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