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Anna007 [38]
3 years ago
5

Rewrite the following without an exponent (-7)⁻²

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
7 0

Answer:

The correct answer is 1/49

Step-by-step explanation:

In order to find this, we first can eliminate the negative in the exponent by putting the whole this in the denominator.

(-7)^-2 = 1/(-7)^2

Now we can evaluate the denominator

1/(-7)^2 = 1/49

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Solve the following equation for y.
labwork [276]

Answer:

17

Step-by-step explanation:

2y+2=36

Let's solve this equation for 2y first.  This means get 2y by itself.

So to get 2y by itself I need to undo that addition of 2 next to it.

The inverse operation of addition is subtraction.

I'm going to subtract 2 on both sides:

2y      =36-2

2y      =34

Now we want to get y by itself so we divide both sides by 2 since division and multiplication are inverse operations:

 y=        34/2

 y=        17

3 0
3 years ago
Read 2 more answers
The measure of angle M is_degrees.
jasenka [17]

Answer:

m=37

Step-by-step explanation:

The 2 angles are complementary, or add to 90 degrees. Wee know this because of the little square in the corner that indicates a right angle, which is equal to 90 degrees.

m+53=90

Solve for m by getting m by itself. To do this, subtract 53 from both sides to "reverse" the addition being done to m.

m+53-53=90-53

The 53s on the left cancel, and we are left with:

m=37

3 0
3 years ago
Read 2 more answers
Find the volume of a cylinder with radius 4 m. And height 3 m.
katovenus [111]
V =  \pi r^25

Plug in the values

r = 4 ; h = 3

V= \pi *4^2*3

V = 3.14 * 16 * 3

V = 150.72

So approximately 150.7
6 0
3 years ago
Length width and height is 3 units
weqwewe [10]

Answer:

just three units no other numbers?

Step-by-step explanation:

5 0
3 years ago
Does the graph f(x)=-2x^2 -1 have a maximum or a minimum? Explain.
Serga [27]

Answer:

It has a maximum

Step-by-step explanation:

The way I think about it is looking at "a" (the leading variable's coefficient, so __x²), if it's negative, the graph is a frown, but if it's positive, it's a smile. In this case, a is -2, so the graph would have the shape of a frown, which has a maximum.

I hope this helped!

8 0
3 years ago
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