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3 years ago

How do you do exponents

1 answer:

8 0

When you multiply terms with like bases you add the exponents together. The base stays the same. When you divide terms with like bases you subtract the exponent of the denominator from the exponent of the numerator. This is called getting the power of a power.

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Solve 12|x|−7=812|x|-7=8

Svetllana [295]

Answer:

Step-by-step explanation:

It's unclear, but if is the question

12x-7=8

then

x= $\frac{5}{4}$

8 0

3 years ago

Read 2 more answers

3X 10 multiple the number

zysi [14]

Answer:

Step-by-step explanation:

3 x 10 with a tiny three

10 x tiny3 = 30

30 x normal 3 = 90

4 0

3 years ago

If 8^y=16^y+2, what is the value of y?<br> A) -8<br> B) -4<br> C) -2<br> D) -1

Pie

$8=2^3;\ 16=2^4$

$Use:\ (a^n)^m=a^{nm}$

$8^y=16^{y+2}\\\\(2^3)^y=(2^4)^{y+2}\\\\2^{3y}=2^{4(y+2)}\iff3y=4(y+2)\\\\3y=4y+8\ \ \ |-4y\\\\-y=8\to y=-8$

Answer: A) -8.

6 0

3 years ago

An art studio holds beginners art classes. Each class costs $24 and there is also a one-time registration fee of $15 . You atten

ICE Princess25 [194]

If you’re looking for a equation it could be “ 24c + 15 = 687 “

3 0

4 years ago

The ratio of boys to the total number of students in a school play is 6:11.There are 15 girls in the school play. How many stude

Rainbow [258]

Answer:

23 students

Step-by-step explanation:

6 boys: 11 girls

x boys: 15 girls Add in the new equation

15/11 is about 1.36 Find the scale factor used

6 x 1.36 is about 8.18 Multiply the scale factor by the known amount of boys

Since we are adding students, there can't be part of a student.

6 boys: 11 girls

8 boys: 15 girls

There is a total of 23 students in the school play.

6 0

3 years ago