2 years ago

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Mathematics

2 answers:

Pachacha [2.7K]2 years ago

4 0

The answer is C no time to explain

Alika [10]2 years ago

3 0

Answer:

1 inch = 80 miles

Step-by-step explanation:

4 and three quarters = 4.75

380 divided by 4.75 = 80

Double check and multiply 4.75x80

4.75 x 80 = 380

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Does the line passing through the points (−1,−5) and (2,1) intersect the line passing through the points (−1,−6) and (1,2)?

Serggg [28]

Answer:

Yes

Step-by-step explanation:

As long as the slopes of these two lines are not the same, they will intersect.

Given two points on a line, we can find the slope by taking the difference in the y coordinates and dividing it by the difference in the x coordinates.

Slope of 1st line: $\frac{-5-1}{-1-2} =\frac{-6}{-3} =\frac{1}{2}$

Slope of 2nd line: $\frac{-6-2}{-1-1} =\frac{-8}{-2}=4$

The slopes are not equal, therefore the lines intersect.

5 0

2 years ago

Simplify the expression: (12x+3) - (3x-5)

Alenkinab [10]

You subtract the 12 and 3 and then add the 3+5 and you get 9x+8

7 0

2 years ago

Read 2 more answers

Math question down below

kramer

X + 4/5 = 11
x = 11 - 4/5
x = 55/5 - 4/5
x = 51/5 or 10 1/5

or u can do it this way..
x + 4/5 = 11.....multiply everything by common denominator of 5
5x + 4 = 55
5x = 55 - 4
5x = 51
x = 51/5 or 10 1/5

7 0

3 years ago

What is 5x-9+2-4=9.4

Dominik [7]

Answer:

x=5.1

Step-by-step explanation:

5x-9+2-4=9.4

5x=9.4+4-2+9

5x=20.4

x=5.1

4 0

2 years ago

A biologist determined that there were 42 oak trees in a 5-acre forest. How many oak trees would be expected on 40 acres of iden

klio [65]

Answer:

336

Step-by-step explanation:

6 0

2 years ago

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