3 years ago

8(y - 5 ) is equivalent to which following?

Mathematics

1 answer:

ladessa [460]3 years ago

7 0

Answer:

8y-40

Step-by-step explanation:

First you expand the brackets

8 x y - 8 x 5

= 8y - 40

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The flagpole is 20 ft high and casts an 8 foot shadow, the oak tree casts a 12 foot shadow. How tall is the oak tree

Fudgin [204]

Answer: 4.8 ft

To answer this question you need to know how much shadow: actual height ratio. Flagpole is having 8 ft shadow with 20 ft actual height. The ratio should be= 8 ft: 20 ft= 0.4

Then multiply the ratio with the oak tree shadow. The equation would be:
0.4 x 12 ft= 4.8 ft

7 0

3 years ago

Question 11 (-10) + (10) = ?? A)20 B)-20 C)-0 D)0

Nastasia [14]

Answer:

Step-by-step explanation:

-10 + 10

-10 and 10 are additive inverses, so when we add them, it is equal to zero

-10 + 10 = 0

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