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Stels [109]
3 years ago
12

The equation d=m/v. is m-d=v an equivalent equation?

Mathematics
2 answers:
yanalaym [24]3 years ago
8 0
They are not equivalent fractions !
RUDIKE [14]3 years ago
5 0

Answer:

They are not equivalent equations

Step-by-step explanation:

d=m/v

Multiply each side by v

d * v = m/v *v

dv = m

Divide each side by d

dv/d = m/d

v = m/d

This is not the same as v = m-d

They are not equivalent equations

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2 POINTS
Tasya [4]

Answer: A

Step-by-step explanation:

First route: 70 miles divided by 55 mph = 1.27 hours

Second route: 85 miles divided by 65 mph = 1.31 hours

The first route takes less time so it’s better

6 0
3 years ago
Read 2 more answers
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

6 0
3 years ago
5. A monument casts a 78 ft. shadow at the same time that a vertical yardstick casts a 4.5 ft. shadow. How high is the monument?
rodikova [14]

Hello,

Using Thalès 's theorem:

Let's h the height of the monument.

\dfrac{1}{h} =\dfrac{4.5}{78} \\\\h=\dfrac{78}{4.5} =\dfrac{156}{9} \approx{17.3\ (ft)}

If you don't know what is the Thalès's theorem,

imagine that the similar triangles.

5 0
3 years ago
Which images are tessellations?
brilliants [131]
Image 3 and 4, because they fit perfectly
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3 years ago
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