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wlad13 [49]
3 years ago
11

A lake covers a surface area of about 20,000 square miles.

Mathematics
1 answer:
trapecia [35]3 years ago
4 0

Step-by-step explanation:

2×1000¹⁰

hope this helps

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Which of the following equations describes the line shown below? Check all<br> that apply.
scoundrel [369]

Answer:

B. y = 2x - 2

E. y + 4 = 2(x + 1)

F. y - 6 = 2(x - 4)

Step-by-step explanation:

The equation of the line can be found using either the point-slope equation or the slope-intercept equation.

✔️Equation of the line in point-slope using the slope and the coordinates of the point (4, 6):

Slope = m = change in y/change in x

Using (4, 6) and (-1, -4),

m = (-4 - 6)/(-1 - 4)

m = -10/-5

m = 2

Substitute m = 2, and (a, b) = (4, 6) into the point-slope equation form y - b = m(x - a)

Thus:

y - 6 = 2(x - 4)

✔️Equation of the line in point-slope using the slope and the coordinates of the point (-1, -4):

Slope = m = 2

Substitute m = 2, and (a, b) = (-1, -4) into the point-slope equation form y - b = m(x - a)

Thus:

y - (-4) = 2(x - (-1))

y + 4 = 2(x + 1)

✔️Equation of the line in slope-intercept form, y = mx + b

Where,

m = slope = 2

b = y-intercept = -2 (the point where the line intercepts the y-axis)

Thus, substitute m = 2 and b = -2 into y = mx + b

y = 2x + (-2)

y = 2x - 2

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3 years ago
Tomasso’s family used 24.5 gallons of gas to drive 548.8 miles how many miles did they drive for gas?
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22.4 miles for gas :]
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3 years ago
Estimate 92.49 - 63.854 by first rounding each number to the nearest whole number.
san4es73 [151]
92.49 -63.854 ≈ 92 -64 = 28

____
Actual difference is 28.636.
8 0
3 years ago
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