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miskamm [114]
3 years ago
7

Write the expression as a power. 3^12 * 27

Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
3 0
<h3>Answer:  3^15</h3>

Work Shown:

3^12 * 27

3^12 * 3^3

3^(12+3)

3^15

I used the rule a^b*a^c = a^(b+c) on the third step.

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What is the equation of the line that passes through the point (8,1) and has a slope of 4/3?
fenix001 [56]

Answer:

if im thinking correctly the answer will be y=34x+5

Step-by-step explanation:

have a brilliant day and be sure to smile!(:

7 0
3 years ago
Read 2 more answers
Can somebody help me with this?
icang [17]

We are given polynomial: 5x^3+8x^2-7x-6.

We need to explain why the binomial (x + 2) IS a factor of this polynomial expression and  why the binomial (x + 1) IS NOT a factor of this polynomial expression.

Let us set first factor equal to 0 and solve for x.

x+2=0

x=-2.

Plugging x=-2 in given polynomial, we get

5(-2)^3+8(-2)^2-7(-2)-6 = 5(-8) +8(4)+14-6

= -40 +32+14-6

=0

<em>Because x=-2 gives 0 on plugging in given polynomial, so it's factor of given polynomial expression.</em>

Now, let us check second factor x+1=0

x=-1.

Plugging x=-1 in given polynomial, we get

5(-1)^3+8(-1)^2-7(-1)-6 = 5(-1) +8(1)+7-6

=-5+8+7-6.

= -4.

<em>Because x=-1 doesn't gives 0 on plugging in given polynomial, so it's not a factor of given polynomial expression.</em>

7 0
2 years ago
It takes 14 girls 48 minutes to finish painting a mural. How long would it take if only 4 girls painted the mural?
Wittaler [7]

Answer:

It would take 13.7142857 or 13.7, in better terms about 14 minutes.

Step-by-step explanation:

48/14 = 3.42857143

3.42857143 x 4 = 13.7142857 or 13.7.

6 0
3 years ago
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On the first day of winter, the temperature in Cassville was – 3°F. That same day, the temperature in Shorewood was – 11°F
just olya [345]

Answer:

Step-by-step explanation:

___________________________________________________________

                   -11       -10       -9    -8     -7    -6       -5    -4   -3       -2       -1        0

Okay so on this number line that I made you see -3 degrees F and -11 degrees F. All you have to do is count, start at -3 and count the numbers until you get -11 so the answer would be -8 degrees F because it takes 8 units to get to 7 on the negative number line.

3 0
2 years ago
Solve for x in the equation x^2-8x+41=0?
Angelina_Jolie [31]
X = [-(-8) +/- sqrt((-8)^2 -4*41)] / 2  

x =  ( 8 + sqrt (-100) / 2  and  (8 - sqrt(-100) / 2

 4 +or- 5i

6 0
2 years ago
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