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poizon [28]
3 years ago
14

I NEED HELP WITH THSI ASAP

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

Answer:

80

Step-by-step explanation:

1 centimeter is equal to 20 feet so if you have 4 cm, it's will 4*20

Also the other two answers are too small to be possible

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What is the slope of the line that contains these points?
kati45 [8]

Answer:

m=-7

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from chart.</em>

Point (39, 36)

Point (40, 29)

<u>Step 2: Find slope </u><em><u>m</u></em>

  1. Substitute:                    m=\frac{29-36}{40-39}
  2. Subtract:                       m=\frac{-7}{1}
  3. Divide:                          m=-7
8 0
3 years ago
Read 2 more answers
Solve the equation x = -2y + 6 for y
klio [65]

Answer:

x=2y=6

Step-by-step explanation:

x+2y=-2y+6+2y

5 0
3 years ago
Read 2 more answers
139°<br> (17x + 3)<br> answer
nasty-shy [4]

Answer:

x= 8

Step-by-step explanation:

17x + 3 = 139

17x = 136

x = 8

6 0
3 years ago
A group of biologists is surveying the mice population in a forest. The equatio n=75 times 3t gives the total number of mice, n,
enot [183]

I think the equation should be

n=75\cdot3^t

where 3 is the common ratio of the exponential function

so the answer is C.

4 0
1 year ago
What is the equation of a line that is perpendicular to -x + 2y =4 and passes through the point (-2, 1)
Trava [24]

Answer:

y = -2x - 3

Step-by-step explanation:

-solve for y: y = 1/2x + 2

-perpendicular equals opposite slope: -2

-plug in the point: (1) = -2(-2) + b

                               1 = 4 + b

                                b = -3

put it all together: y = -2x - 3

8 0
3 years ago
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