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KiRa [710]
3 years ago
5

Find the equivalent exponential expression (7^2)^5

Mathematics
2 answers:
VladimirAG [237]3 years ago
6 0
First we simplify, like this: (7^2)^5 = 7^{10}

So the answer is 7^10<span>

Hope this helped! c:</span>
Marizza181 [45]3 years ago
5 0
The equivalent exponential expression is 7^10.
When an exponential expression is raised to a power, the result is an exponent with the same base and the product of the exponents.

To find the equivalent exponential expression, you have to multiply the raised powers 2 and 5 to get a product of 10.
(7^2)^5
2*5=10
(7^2)^5 = 7^10

Hope this helps! :)
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Maggie’s brother is 3 years younger than twice her age. The sum of their ages is 18. How old is Maggie?
kykrilka [37]

Answer: Maggie is 7 years old.

7 . 2 = 14

14-3=11

11+7=18

Hope this helps!

6 0
3 years ago
Solve for x.<br> Please help
Andrei [34K]

Answer:

x=3

Step-by-step explanation:

(11-3)+3x+1 = 5x+3

8+3x+1 = 5x+3

9+3x= 5x+3

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8 0
2 years ago
Find the inverse of the matrix , if it exists
Montano1993 [528]

Answer:

So, option A is correct.

Step-by-step explanation:

To find the inverse of the matrix, the formula is:

A^{-1} = 1/|A| * Adj A

Inverse of the matrix exists if |A| does not equal to 0

|A| = 7 * 9 -( -2 * -10)

|A| = 63 - 20

|A| = 43

AS |A| ≠ 0

so inverse exist.

now finding Adj A

Adj A = \left[\begin{array}{cc}9&2\\10&7\end{array}\right]

\left[\begin{array}{cc}9/43&2/43\\10/43&7/43\end{array}\right]

So, option A is correct.

8 0
3 years ago
The perimeter of a rectangle is 700 yards. What are the dimensions of the rectangle if the length is 50 yards more than the​ wid
Nataly [62]

Answer:

width = 150 yards

length = 200 yards

Step-by-step explanation:

Using the information given to us, we can make the following two equations:

2L + 2W = 700

L = W + 50

where L is the length in yards and W is the width in yards. This could treat these two equations as a system of linear equations. There are multiple ways to solve a system of linear equations, but I am going to solve this by substitution. Before doing that, I am first going to simplify the first equation, as it will make solving the system easier.

2L + 2W = 700

Divide both sides by 2.

L + W = 350

Since L = W + 50, we can substitute W + 50 for L in the equation L + W = 700.

(W + 50) + W = 350

2W + 50 = 350

2W = 300

W = 150

Now that we found what W is, we can solve for L by plugging 150 into either one of the equations. I am going to plug it into the equation L = W + 50.

L = 150 + 50

L = 200

Now we found what L is. So now we know that the width is 150 yards and the length is 200 yards.

I hope you find my answer and explanation helpful. Happy studying. :)

5 0
3 years ago
Which choices are equivalent to the expression below? Check all that apply
Iteru [2.4K]

Answer:

d

Step-by-step explanation:

4 0
3 years ago
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