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Temka [501]
3 years ago
13

Can someone help me please

Mathematics
1 answer:
Damm [24]3 years ago
7 0

Answer:

17 inches

Step-by-step explanation:

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At the beginning of the school year, there were
andrezito [222]

Answer:

6% change

Step-by-step explanation:

First find the difference between students at the end and the beginning of the year.

1200-1128=72

to find the percent, you need to divide the difference by the initial value.

72/1200=0.06

move the decimal

6%

8 0
3 years ago
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What is the slope of the equation?<br> 2y -3x = -8
zalisa [80]

Answer:

3/2 - 4 = y

Step-by-step explanation:

2y - 3x = -8 original problem

2y -3x + 8 = 0 addition property of equality

-3x + 8 = -2y subtraction property of equality

3/2x - 4 = y division property of equality

6 0
3 years ago
What is the factored from for -2r-6 PLEASE HELP! WILL MARK BRAINLIEST
Katarina [22]

Answer:

-2(r+3)

Step-by-step explanation:

4 0
3 years ago
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Two angles are supplementary. The larger angle is 33 degrees more than 6 times the smaller angle. Find the measure of each angle
noname [10]

Sum of two angles that are supplementary = 180°

Let the smaller angle be = x

Let \:  the  \: smaller \:  angle \:  be \:  =  \: x

then \: the \: larger \: angle \:  = 6x + 33

<h3>Their sum :</h3>

x + 6x + 33 = 180

7x + 33 = 180

7x = 180 - 33

7x = 147

x =  \frac{147}{7}

x = 21

Using this let us find the measures of the smaller angle and bigger angle .

smaller \: angle \:  = x = 21°

larger \: angle \:  = 6x + 33 = 6 \times 21 + 33 = 126 + 33 = 159°

∴ The measure of the two angles are = 21° and 159° .

3 0
3 years ago
Use synthetic division to find the result when 3x^3 + 13x^2 + x – 12 is divided by<br> X + 4.
IgorC [24]

Answer:

3x² + x - 3

Step-by-step explanation:

The way I like to do it is to get rid of the x's and just use the numbers in the case of synthetic division

Pretend the square root of the division symbol

-4 √ 3 12 1 -12

Quick note: We're dividing by -4 because we're dividing by x + 4

First bring down the 3

-4 √ 3 13 1 -12

      3

Multiply it by 4 then bring add it to the next number

-4 √ 3 13 1 -12

          -12

       3   1

Add that number to the next one

-4 √ 3 13 1 -12

        -12 -4

      3    1   -3

Finally repeat the step for the last number

-4 √ 3 13 1 -12

       3 -12 -4 +12

       3    1   -3   0

Now take those bottom numbers and add back the x's but with one less power, so the starting x³ would now become x², x² would become x, and so on

3x² + 1x - 3

8 0
2 years ago
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