3 years ago

:///////////////////////////////////////////////////////////// Math

Mathematics

2 answers:

allochka39001 [22]3 years ago

8 0

Answer:

12 inches per foot.

Step-by-step explanation:

It's just like how the question was stated from above! No need to over think this question. .ω.

Hope this helps!

svlad2 [7]3 years ago

7 0

Answer: 12 inches

Step-by-step explanation:

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Find the length of side BC.<br> Give your answer to 3 significant figures

Y_Kistochka [10]

Answer:

$\huge\boxed{\sf BC = 19.4 \ cm}$

Step-by-step explanation:

<h3><u>Given:</u></h3>

θ = 71°

Adjacent = AB = 6.3 cm

<h3><u>Required:</u></h3>

Hypotenuse = BC = ?

We will use the trigonometric ratio of cos.

$\displaystyle cos \theta = \frac{Adjacent}{Hypotenuse} \\\\cos \ 71 = \frac{6.3}{BC} \\\\0.33 = \frac{6.3}{BC} \\\\BC =\frac{6.3}{0.33} \\\\\boxed{BC = 19.4 \ cm}\\\\\rule[225]{225}{2}$

3 0

1 year ago

13. Attend to precision. Justify each step in the solution of 5x + 15 = 0 below by stating a property

tigry1 [53]

Answer:

55/7

Step-by-step explanation:

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8 0

3 years ago

The variable, y, varies directly with x. If y = 26 when x = 21,<br> what is y when x = 64?

STatiana [176]

Answer:

y=69

Step-by-step explanation:

first step:when y=26 and x=21

c=y-x

c=26-21

c=5

second step: when y is unknown and x=64

To find y we simply add the value of c to x

y=x+c

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6 0

2 years ago

hello could you please help me with this math problem with full explanation which I am unable to solve? Thanks.

neonofarm [45]

Answer:

8 / sqrt(3)

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

tan theta = opp / adj

tan A = BC / AC

tan 30 = BC / 8

8 tan 30 = BC

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3 years ago

Which expression can be used to find 25 percent of 88?

Dominik [7]

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Step-by-step explanation:

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2 years ago

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