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MAVERICK [17]
2 years ago
7

Use the algebra tiles to help you solve the equation 4x-12=16. What is the first step in solving the equation using algebra​ til

es? What is the solution to the​ equation?

Mathematics
1 answer:
-BARSIC- [3]2 years ago
8 0
Add 12 to 16 on the other side to make 4x = 28. Then divide 28 by 4, which equals 7. Solution is x = 7
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What is the change in temperature from 15 degrees to -9 degrees? -6, 6, -24, 25
dalvyx [7]

Answer:

24 degrees

Step-by-step explanation:

The distance from 15 degrees to 0 degrees is 15, and the distance from 0 degrees to -9 degrees is 9, so then the total distance from 15 degrees to -9 degrees is (15+9 degrees) which adds up to be 24 degrees

3 0
3 years ago
What is the slope of the line on the graph?<br><br><br><br> Enter your answer in the box.
Snowcat [4.5K]

Answer:

-1/3

Step-by-step explanation:

If you divide rise over run you will do the equation -1 divided by 3 which is equal to -1/3

5 0
2 years ago
What is 1/8 of 3? When i look it up it says to many different answers.
SSSSS [86.1K]

Answer:

3÷8=0.375

Step-by-step explanation:

1/8 of a number can be found by dividing the number by 8.

4 0
2 years ago
Read 2 more answers
One leg of a right triangle is 7 inches longer than the smaller leg and the hypotenuse is 8 inches longer than the smaller leg.
Makovka662 [10]
Smaller leg = x
longer leg = y
hypotenuse = z

y=x+7
z=x+8

due to
{z}^{2}  =  {x}^{2}  +  {y}^{2}  \\ (x + 8) ^{2}  =  {x}^{2}  + (x + 7) ^{2}  \\  {x}^{2}  + 16x + 64 =  {x}^{2}  +  {x}^{2}  + 14x + 49 \\  {x}^{2}  + 16x + 64 = 2 {x}^{2}  + 14x + 49 \\  {x}^{2}  - 2 {x}^{2}  + 16x - 14x + 64 - 49 = 0 \\  -  {x}^{2}  + 2x + 15 = 0 \\  {x}^{2}  - 2x - 15 = 0 \:  \: (multiplied \: by \:  - 1) \\ (x - 5)(x + 3) = 0 \\ then \:  \: x = 5 \:  \: or \:  \: x =  - 3
but x cannot be -3
so smaller leg is 5 inches

then longer leg = 5+7 = 12 inches
and hypotenuse = 5+8 = 13 inches
3 0
3 years ago
PLEASE HELP WILL GIVE BRAINLIEST TO CORRECT ANSWER
natima [27]

Answer:

A. 4x + 2y = 8

Step-by-step explanation:

4x + 2y = 8

2y =  - 4x + 8

y =  - 2x + 4

The slope is -2/1 and the y-intercept is at (0,4). If you start at (0,4), go <u>down</u><u> </u><u>2</u><u> </u><u>units</u><u> </u><u>and</u><u> </u><u>1</u><u> </u><u>unit</u><u> </u><u>right</u>.

4 0
3 years ago
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