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vesna_86 [32]
2 years ago
7

Five times the difference of a number, x, and 3 plus 7 is equal to -45.

Mathematics
1 answer:
miskamm [114]2 years ago
7 0

Answer:

5(x-3)+7=-45

Step-by-step explanation:

The only possibly way for 5 to multiply 2 numbers is if those numbers are in parenthesis

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What is 2+2+2-2+87 plz tell me so u would get 100 points
DedPeter [7]

Answer:

The answer is 91.

Step-by-step explanation:

Since 2+2+2=6 and you subtract 2 that would now be 6-2, and that is 4.

87+4=91.

Simply 6-2=4

87+4=91

:)

6 0
2 years ago
How many rays make a right angle? A) 0 B) 1 C) 2 D) not enough information
Nana76 [90]
Hello!

Two rays make any angle

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5 0
3 years ago
Read 2 more answers
It is believed that 11% of all Americans are left-handed. In a random sample of 100 students from a particular college with 1012
tia_tia [17]

Answer:

Step-by-step explanation:

We can calculate this confidence interval using the population proportion calculation. To do this we must find p' and q'

Where p' = 14/100= 0.14 (no of left handed sample promotion)

q' = 1-p' = 1-0.14= 0.86

Since the requested confidence level is CL = 0.98, then α = 1 – CL = 1 – 0.98 = 0.02/2= 0.01, z (0.01) = 2.326

Using p' - z alpha √(p'q'/n) for the lower interval - 0.14-2.326√(0.14*0.86/100)

= -2.186√0.00325

= -2.186*0.057

= 12.46%

Using p' + z alpha √(p'q'/n)

0.14+2.326√(0.14*0.86/100)

= 0.466*0.057

= 26.5%

Thus we estimate with 98% confidence that between 12% and 27% of all Americans are left handed.

6 0
3 years ago
Add. Write your answer in simplest form.
AleksAgata [21]

Answer: B. 1 7/36

Hope that helped! :)

6 0
3 years ago
Congratulations I was forced to do this so I could see the question.?
disa [49]
Nobody can provide an answer to you if you do not ask a question that has a viable answer?
4 0
2 years ago
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