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Vladimir79 [104]
3 years ago
13

PLEASE HELP D:

Mathematics
1 answer:
garik1379 [7]3 years ago
4 0

Answer:

  • C. 40 ft²

Step-by-step explanation:

<u>Triangle area formula:</u>

  • A = bh/2, where b- base, h- height

<u>We have:</u>

  • b = 8 ft, h = 10 ft

<u>The area is:</u>

  • A = 8*10/2 = 40 ft²

Correct choice is C

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Answer:1

1. x = 30

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Step-by-step explanation:

It's important to note here that the measure of all interior angles in a quadrilateral will add up to 360°

We know this using the formula(n-2)\cdot 180, a 4 sided figures angles will add up to

(4-2)\cdot 180\\\\2\cdot 180\\\\360

This means that all of the angles (4x, 3x, 2x, 3x) will add up to 360.

4x + 3x + 2x + 3x = 360

Combine like terms:

12x = 360

Divide both sides by 12:

x = 30

We know now substitute x for 30 in for all of the side lengths.

∠ABC = 4x = 4\cdot 30 = 120°

∠BCD = 3x = 3\cdot 30 = 90°

∠CDA = 2x = 2\cdot 30 = 60°

∠DAB = 3x = 3\cdot 30 = 90°

Hope this helped!

8 0
4 years ago
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Keith_Richards [23]

Answer: C

Step-by-step explanation:

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IS MY ANSWER CORRECT?!<br><br>-- I'm thinking it's 36 If its wrong. --
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Answer:

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Step-by-step explanation:

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laptop has a listed price of $879.95 before tax. If the sales tax rate is 8.5%, find the total cost of the laptop with sales tax
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Answer:

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Step-by-step explanation:

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Answer:

La familia de Trevor gastó 86.4 dólares al bañarse en todo el mes.

                                                       

Step-by-step explanation:

El costo del agua viene dado por:

C = \$0.20/L   (1)

Y cada persona de la familia de Trevor gasto en promedio 72 litros de agua. Si la familia tiene 6 integrantes (incluido Trevor) entonces:

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Por lo tanto, la familia de Trevor gastó 86.4 dólares al bañarse en todo el mes.

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