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baherus [9]
2 years ago
14

The average weight of 8 marbles is 3.5 g. What is the total weight of the marbles?

Mathematics
1 answer:
12345 [234]2 years ago
7 0
3.5x8 = 28 grams have a good day
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A painter leans a 13ft ladder against a house. The base of the ladder is 5ft from the house. How high on the house does the ladd
lakkis [162]

Answer:

13,92838827718412‬ft

Step-by-step explanation:

a² + b² = c²

a = 13ft

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169 + 25 = 194

c = √194

c = 13,92838827718412‬ft

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7 0
3 years ago
Select an equation that is equivalent to a^2-144b^2 a) (a-12b)^2 B) (a+12b)^2 C) (a-12b)(a+12b) C) a^2-24ab+144b^2
Nataliya [291]

Answer:

C) (a-12b)(a+12b)

Step-by-step explanation:

a^2-144b^2 = (a-12b)(a+12b)

This is the formula that when two terms squared are written with a minus sign between them their factors are the product of the original numbers once with a plus sign and once with the minus sign.

This can be explained by multiplying them.

                (a-12b)

<u>                 *(a+12b)         </u>

                  a²- 12ab

  <u>                     +12ab - 144b²      </u>

<u>                     a²    +0    - 144b²    </u>

We see we get the same answer as applying the formula above.

4 0
2 years ago
Determine the coordinates of the image of D(4, −3) under the following translations.
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Answer:

gyghibibljlkbb

Step-by-step explanation:

8 0
3 years ago
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