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nordsb [41]
3 years ago
11

The temperature at 7:00 a.m. was -5°F. By 4:00 p.m., the temperature had risen 9

Mathematics
1 answer:
Elza [17]3 years ago
4 0

Answer:

The answer is -7 degrees. :)

Step-by-step explanation:

-5+9-11=7

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Use the original price and the markdown to find the retail price. Original price: $40; Markdown: 20%
Dmitry [639]

Answer:

The markdown price is $32

Step-by-step explanation:

•Divide 40 by 100 to get what 1% equals

•Multiply that value (0.4) by 20

•Subtract that value from the original

-

40/100=0.4

0.4×20=8

40-8=32

7 0
2 years ago
Please help I don’t understand.I need to know if it is a linear function and how to write it in standard form. :)
Ipatiy [6.2K]
A linear function is one whose formula can be written in the form

Ax + By = C  where A, B, C are real numbers and A, B are not both 0.  (This is standard form, too.)

\frac{x+4}{2} = \frac{y-4}{3}

"Cross multiply."

3(x+4) = 2(y-4) \\ 3x+12 = 2y-8

Subtract 12.

3x=2y-20

Subtract 2y.

3x-2y=-20

This matches up with standard form with A = 3, B = -2, C = -20.

It's a linear function.
6 0
3 years ago
I NEED HELP :_( Which of the following points is in the solution set of y > -x∧2 + 5? (0, 5) (2, 4) (1, 3)
marysya [2.9K]

Answer:

\huge\boxed{(2;\ 4)}

Step-by-step explanation:

We have

y>-x^2+5

Put the coordinates of the given points and check the inequality:

For (0; 5) → x = 0; y = 5

5>-0^2+5\\5>0+5\\5>5\qquad\bold{FALSE}

For (2; 4) → x = 2, y = 4

4>-2^2+5\\4>-4+5\\4>1\qquad\bold{TRUE}

For (1; 3) → x = 1, y = 3

3>1^2+5\\3>1+5\\3>6\qquad\bold{FALSE}

7 0
3 years ago
When rolling a die, what is the probability of rolling a 1 or a 4 write your answer in a fraction?
Andrej [43]

Answer:

1/3

Step-by-step explanation:

There are 6 values on a die, and we want 2 values. The fraction now is 2/6. But, wait! We can simplify this fraction: 1/3.

Side note:

I understand if you wanted just the 2/6 fraction and not simplified.

3 0
3 years ago
Need help i dont understand this.
inn [45]
The range is a statistical property that consists of the difference between the biggest and the smallest given number.

In our case, the biggest is 17.3 million and the smallest is 3.3 million:

17.3 - 3.3 = 14.0


The range is 14.0 million acres (option D, 4th option).


Hope it helped,

Happy homework/ study/ exam!
6 0
3 years ago
Read 2 more answers
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