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Oksanka [162]
3 years ago
6

Evaluate the expression: (10) -3x (-2) +5

Mathematics
1 answer:
zubka84 [21]3 years ago
5 0

Answer:

-3x(-2)+15

Step-by-step explanation:

add the numbers

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If the base of a Pyramid has an area of 144sq ft And if the slant higher of the pyramid is 10ft what would be the higher of the
pogonyaev

Answer:

the height of the pyramid is 8 ft

Step-by-step explanation:

Considering the base of the pyramid to be square whose area is 144 sq ft

This means the side of the base would be √144 = 12 ft.

Now, if you will imagine a pyramid we can easily observe that

Height(H) , slant height( L=10 ft) and half of the side length( 6ft) make a right angle triangle. We can easily calculate height from Pythagoras theorem as

10^2 = H^2 +6^2

⇒ H^2 = 10^2-6^2 = 100-36 = 64

⇒ H = 8 ft

Therefore, the height of the pyramid is 8 ft

3 0
2 years ago
What am I supposed to do?
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3 years ago
Lin's father is paying for a $20 meal. He has a 15%-off for the meal. After the discount, a 7% sales tax is applied. What does L
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Answer:

18.19

Step-by-step explanation:

$20-15%=$17

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6 0
3 years ago
Will give brainliest, pls help ASAP!​
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1 year ago
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Step-by-step explanation:

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