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Gnesinka [82]
3 years ago
12

How many solutions does the equation 3x + 6 = −1 − 3 + 4x have

Mathematics
1 answer:
VashaNatasha [74]3 years ago
6 0

Answer:

ONE: x = 10

Step-by-step explanation:

3x + 6 = -1 - 3 + 4x

3x + 6 = -4 + 4x       |subtract 6 from both sides

3x = -10 + 4x      |subtract 4x from both sides

-x = -10      |change the signs

x = 10

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Shawna reduced the size of a rectangle to a height of 2 in. What is the new width if it was originally 24 in wide and 12 in tall
miskamm [114]

Answer:

4 inches.

Step-by-step explanation:

The height of a rectangle is reduced by Shawna to a size of 2 inches.

The original width of the rectangle was 24 inches and the height was 12 inches.

If the ratio of width to height remains the same, then we can find the new width.

If the new width is x inches then, we can write

\frac{x}{2} = \frac{24}{12}

⇒ x = 4 inches. (Answer)

7 0
2 years ago
Read 2 more answers
If EG = 3y - 10 and ET = 2y, find the value of y In parallelogram FGHI.<br> 1<br> Find Value of y.
Ksenya-84 [330]
<h3>Answer:  y = 10</h3>

=====================================

Work Shown:

EI = EG

3y-10 = 2y

3y-10-2y = 0

y-10 = 0

y = 0+10

y = 10

Note how if y = 10, then

  • EI = 3y-10 = 3*10-10 = 20
  • EG = 2y = 2*10 = 20

Both EI and EG are 20 units long when y = 10. This confirms the answer.

6 0
3 years ago
During swim practice Brandi swam 6 butterfly stroke laps and 8 freestyle laps. What is the ratio of freestyle laps to total laps
densk [106]

Answer:

4:7

Edit: I just saw the multiple choice options, in this case the right answer is:

<h2>8:14</h2>

but they're both equal

Step-by-step explanation:

The ratio you are looking for is

freestyle laps : (freestyle + butterfly) laps

so:

8 : (6+8)

8:14

Divide by 2 to simplify

4:7

7 0
3 years ago
Help pls!! Find the value of x and y
kotegsom [21]
It is a parallelogram, so opposite angles are congruent.
4x = 100°
x = 25°

Sum of angles in a parallelogram is 360°.
360°-100°-100° = 160°
y = 160°/2 = 80°

7 0
2 years ago
Read 2 more answers
A bike take 56 minutes to travel 8 km? How many minutes will take to travel 15?​
rjkz [21]

Step-by-step explanation:

Ok, so it takes the bike 7 minutes to go 1 km, so it would take it 105 minutes to go 15

3 0
2 years ago
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