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Masja [62]
3 years ago
7

The temperature increased from (-3) degrees to (+12) degrees on Friday what was the temperature change over the course of the da

y
Mathematics
1 answer:
Elanso [62]3 years ago
6 0

Answer:

+15 degrees

Step-by-step explanation:

-3

-2

-1

0

1

2

3

4

5

6

7

8

9

10

11

12

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Suppose 4-year-olds in a certain country average 3 hours a day unsupervised and that most of the unsupervised children live in r
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Answer:

D)the time (in hours) a 4-year-old spends unsupervised per day

Step-by-step explanation:

Given that 4-year-olds in a certain country average 3 hours a day unsupervised and that most of the unsupervised children live in rural areas, considered safe

X - the time (in hours) a 4-year-old spends unsupervised per day

X is N(3,1.8)

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For the function f(x)=3(x-1)^2+2, identify the vertex,domain, and range -The vertex is (1,2), the domain is all real numbers, an
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Answer:

The function is...f(x)=(-1,-2)

Step-by-step explanation:

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3 years ago
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Natalie has $20 to spend on 5 sandwiches. Can she spend $4.39 on each sandwich? Explain.
uranmaximum [27]
No she can't spend $4.39 for each sandwich because if you divide 20 by 5 your quotient will be 4.
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Help even tho it’s multiple choice make sure you are correct... I beg you lol
kondaur [170]

Answer:

The equation of the line is:

y=(-\frac{1}{2})x+1

Therefore, option a is the correct answer.

Step-by-step explanation:

Given the points

  • (-2, 2)
  • (4, -1)

Finding the slope

\mathrm{Slope\:between\:two\:points}:\quad \mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}

\left(x_1,\:y_1\right)=\left(-2,\:2\right),\:\left(x_2,\:y_2\right)=\left(4,\:-1\right)

m=\frac{-1-2}{4-\left(-2\right)}

m=-\frac{1}{2}

As the point-slope form of the equation of the line is

y-y_1=m\left(x-x_1\right)

where m is the slope

substituting the values m=-\frac{1}{2} and the point (-2, 2)

y-y_1=m\left(x-x_1\right)

y-2=\frac{-1}{2}\left(x-\left(-2\right)\right)

y-2=\frac{-1}{2}\left(x+2\right)

y-2=-\frac{1}{2}\left(x+2\right)       ∵\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{-a}{b}=-\frac{a}{b}

Add 2 to both sides

y-2+2=-\frac{1}{2}\left(x+2\right)+2

y=(-\frac{1}{2})x+1

Hence, the equation of the line is:

y=(-\frac{1}{2})x+1

Therefore, option a is the correct answer.

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