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yuradex [85]
3 years ago
11

Determine the equation of the inverse of y = 7x + 2

Mathematics
1 answer:
Eddi Din [679]3 years ago
8 0
Since we are finding the inverse you switch the variable. So it is now x=7y+2 and now you solve for y. You would get x-2/7 = y for the inverse
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Find the value of the expression when x = 2, y = - 4 and z = ½.
Alla [95]

what is the expression

I guess the question is incomplete

4 0
2 years ago
PLEASE HELP 9) (6 pts.) The perimeter of a rectangle is 100 feet. The length is 10 more than 3 times the width. Define variables
marin [14]

Step-by-step explanation:

sorry i am unable to understand what it is asking but if you inform me more i would love to help

7 0
3 years ago
C)<br> A bus drives for 3/2 hours at an average speed of 56 mph.<br> How far does the bus drive?
natta225 [31]

Answer:

The bus drives 84 miles

Step-by-step explanation:

The question relates to relationship between average speed and time

The given parameters are;

The time duration in which the bus drives = 3/2 hours = 1.5 hours

The average speed of the bus = 56 mph

The formula average speed is given as follows;

Average \ speed = \dfrac{The \ total \ distance \ driven}{The \ time \ duration \ of \ travel}

Therefore, we have;

The total distance driven = Average speed × The time duration of travel

The total distance driven = The distance the bus drives

Substituting the given values, gives;

The distance the bus drives = 56 miles/hour × 1.5 hours = 84 miles

The distance the bus drives = 84 miles.

4 0
2 years ago
3x+9=1x what’s the slope and intercept form
tresset_1 [31]

Answer:

  this equation cannot be written in slope-intercept form

Step-by-step explanation:

The given equation is equivalent to ...

  2x +9 = 0 . . . . . subtract 1x

  x + 4.5 = 0 . . . . divide by 2

  x = -4.5 . . . . . . . the equation of a vertical line.

It has no y-intercept and its slope is undefined.

5 0
3 years ago
Can the sides of a triangle have lengths 6.2, 0.5, and 7.8?<br> yes or no
Vitek1552 [10]
No, it's not possible for the sides of a triangle to have those lengths.

According to the triangle inequality theorem, the sum of any two sides of the triangle has to be bigger than the last side. Let's test this.

6.2+7.8\ \textgreater \ 0.5

This inequality satisfies the triangle inequality theorem.

7.8+0.5\ \textgreater \ 6.2

This also satisfies the theorem.

6.2+0.5 \textless \ 7.8

Uh oh. This does not satisfy the triangle inequality theorem. Thus, it is not possible for a triangle to have these side lengths.
4 0
3 years ago
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