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Verizon [17]
4 years ago
15

The model shows the addition expression 18 + 12.

Mathematics
1 answer:
Rashid [163]4 years ago
3 0

Answer:

3(6+4) ._. hope this helps

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How many solutions does the equation −5a 5a 9 = 8 have? none one two infinitely many
Brut [27]

The given equation does not have any solution.

For given question,

We have been given an equation −5a + 5a + 9 = 8

We know that the like terms are those terms which have same variable to the same power.

Combine Like terms;

0 + 9 = 8

9 = 8

⇒ which is  False.

This statement is false for any values of x

Therefore, the given equation does not have any solution.

Learn more about the solution of equation here:

brainly.com/question/545403

#SPJ4

5 0
2 years ago
Simplify the expression 8b - 8 - 7 - 10 + -4b + -10​
Alekssandra [29.7K]

Answer:

4b - 35

Step-by-step explanation:

8b - 8 - 7 -10-4b _ 10

8b - 35 - 4b  combie like trems

7 0
3 years ago
Lita estimates she will read 24 books during the summer. She actually reads 9 books. What is the percent error of her estimate?
galben [10]

Answer:

Step-by-step explanation:

9 out of 24 is 37.5%, so her error is 62.5%

3 0
3 years ago
Read 2 more answers
Arlene wants to create a scale drawing of the poster shown below: A rectangle is shown. The length of the rectangle is labeled 6
Ludmilka [50]
If you divide each of the lengths by 3, thus giving you the one-third of the finishing size, you'll get 2 inches for the length and 3 inches for the width.
If dimensions is perimeter, you get 2+2+3+3=10
10 inches=Perimeter.

You could also add up the sides and divide them by 3.
6+6+9+9=30
30/3=10 inches
7 0
3 years ago
Read 2 more answers
A regular pentagonal pyramid had a side length of 4 mm, an apothem that measures 3 mm, and a height of 4.1 mm. What is the volum
earnstyle [38]
The equation for solving the volume of a pyramid is equal to,
                              Volume = Bh/3

where B is the area of the base and h is height. 
To compute for the area of the base, we use the equation,
                                A = aP/2
where a is apothem and P is perimeter. Substituting the known values,
                                A = (3 mm)(5 x 4 mm) / 2 = 30 mm²
Substituting the computed value to the equation for volume.
                          V = (30 mm²)(4.1 mm) / 3 = 41 mm³
Thus, the answer is letter A. 
7 0
3 years ago
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