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Likurg_2 [28]
2 years ago
12

Fill in the blanks. Then, choose the property of addition you used.

Mathematics
1 answer:
liubo4ka [24]2 years ago
8 0

Answer:

_<u>7</u> + 3 = 3 + 7 : commutative property,[if something is added or subtracted]

0 +<u>5</u> _ = 5 is it: identity property.[if 0 is added or subtracted]

2 + (6 + 8) =(2 + 6)+ _<u>8</u> associated property

[if added or multiplied]

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Shanti is taking a cube-shaped gift to a friend's birthday party. She wants to wrap it but she doesn't have very much paper, so
Marrrta [24]

Answer:

It will take Shanti 150 square inches of paper to wrap the gifts

Step-by-step explanation:

Shanti wraps the gift she is taking to a friend's birthday party. She doesn't have very much paper, so she does not overlap any of the edges. The side lengths of the cube are all 5in.

How much paper did it take to cover the gift?

Solution

To solve this, you will find the surface area of a cube

Surface area of a cube = 6a^2

Where,

a=side length of the cube

a= 5 in

a^2=a × a

=5 × 5

=25 in^2

a^2=25 in^2

Surface area of a cube = 6a^2

=6 × 25 in^2

=150 in^2

It will take Shanti 150 square inches of paper to wrap the gifts

7 0
3 years ago
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The table below shows the amount of a radioactive compound remaining after X years Sarah is compiling the data into a lab report
Murrr4er [49]

Answer:

  A. the y-intercept of the graph is 900, and as X increases, f(x) approaches 100.

Step-by-step explanation:

The table can be described by the function ...

  f(x) = 100 +800·2^-x

This is an exponential decay (not a constant-rate decay) from a y-intercept of 900 down to a minimum value of 100 (not zero).

The best description is that of choice A.

9 0
3 years ago
The legs of a right triangle are 29.25 and 13. What is the hypotenuse?
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Answer:

32.008

Step-by-step explanation:

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3 years ago
Solve the equation 3(x−4)=12x .
liraira [26]

Answer:

x = -4 / 3

Step-by-step explanation:

3 0
3 years ago
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What is the opposite of -8? :D
VMariaS [17]
<h3>The answer is:</h3><h2>8</h2><h2 />

We know that the opposite of 8 is -8. So the opposite of -8 is 8.

You can look a number line if you are still confused!

8 0
3 years ago
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