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Tresset [83]
3 years ago
10

Problems 7-12 Simplify each expression,

Mathematics
1 answer:
vredina [299]3 years ago
6 0

Answer:

7. 81

8. 6t³-27t²+2t-9

0

1667

9. -14y/\4+21y²+63y

10. 6x-1

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a pole that is 3m tall casts a shadow that is 1.72m long. at the same time, a nearby building casts a show that is 50.5 m long.
Veronika [31]

Answer:

88.08 m tall

Step-by-step explanation:

Pole:

tall/long
3/1.72

Building:

tall/long

x/50.5

Solve for x:

3/1.72 = x/50.5

1.72x = 151.5

x ≈ 88.08

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2 years ago
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Leni [432]
520 is the estimated answer
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3 years ago
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elena55 [62]
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3 years ago
Which expressions are equivalent to 2 (a + 3b)?
VARVARA [1.3K]

Answer:

A & B

Step-by-step explanation:

A is spot-on because of the use of distributive property. B by the use of like terms.

8 0
3 years ago
5. Area = 36cm<br>HM = 12 cm<br>OE = x​
Tpy6a [65]

Answer:

I'm going to guess and say that if HM is one side and OE is the other side of a rectangle, then:

OE = 3 cm

Step-by-step explanation:

36/12 = 3 cm

7 0
2 years ago
Read 2 more answers
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