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3 years ago

Please assist me with #14

Mathematics

1 answer:

Eddi Din [679]3 years ago

4 0

Answer:

a, c) see below

b) trapezoid

d) 80 square units

Step-by-step explanation:

a, b, c) See the attached plot. The different-length horizontal bases make this a trapezoid.

d) The area of the original is ...

A = (1/2)(b1 +b2)h = (1/2)(1+4)(2) = 5

Dilation by a factor of 4 multiplies the area by a factor of 4² = 16.

The area of the larger trapezoid is ...

5 × 16 = 80 . . . . square units

Of course, you can use the area formula, too:

A = (1/2)(b1 +b2)h = (1/2)(4 +16)(8) = 80 . . . . square units

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Fatheya purchased a prepaid phone card for $25. Long distance calls cost 12 cents a minute using this card. Fatheya used her car

Pachacha [2.7K]

Answer:

22 minutes

Step-by-step explanation:

First you take away the original amount away from the remaining amount.

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Then you take that number and divide it by the cents per minute.

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Then that's your answer!

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2 years ago

A dome of a building is in the form of a hemisphere from inside it was whitewashed at the cost of rupees 4989.60 if the cost of

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Answer: $249.48\ m^2; 369.168\ m^3$

Step-by-step explanation:

Given

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Rate =20 per meter square

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2 years ago

Simplify (-4 + 5i) + 2(1 + 3i). Enter your answer in the form a + bi.

luda_lava [24]

(-4 + 5i) + 2(1 + 3i)

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Combine like terms.

is your answer.

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3 years ago

Find the value of a² + b² , when a+ b = 8 and ab = 12

mezya [45]

Answer:

Step-by-step explanation:

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2 years ago

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3 years ago

Please assist me with #14​

Please assist me with #14