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3 years ago

14

What is the value of a A. 27.5 B. 45 C. 50 D. 90

2 answers:

kiruha [24]3 years ago

8 0

Answer:

Step-by-step explanation:

idk

JulsSmile [24]3 years ago

4 0

Answer:

90 degrees

Step-by-step explanation:

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Kevin plans to put concrete on a rectangular portion of his driveway the portion is 10 feet long and 3 inches high the price of

Fudgin [204]

First we need to know the total volume of concrete used:
$V_total = \frac{cost_{total}}{cost{unit}}$
$V_total = \frac{\$72.98}{\frac{\$90}{yd^{3}}}$
$V_total = 0.7407yd^{3}$

Now we can use the formula for volume of a rectangular prism:
$V=lwh$
Convert everythig to yards and substitute:
$0.7407yd^{3}=(3.33yd)(w)(0.08333yd)$
$w=\frac{0.7407}{3.33 \times 0.08333}$
$w \aprox 2.66yd$

5 0

2 years ago

Observe os pontos Z, Y, W, X e V marcados na reta numérica abaixo.

adelina 88 [10]

Y

A raiz quadrada de 14 seria 3.74165738677 ou 3.7

Arredondamos para 4 já q 7 é próximo de 10

5 0

3 years ago

Need this in 3 mins, 30 points, will mark as Brainliest!!!! Solve:

Sergeeva-Olga [200]

Answer:

The missing number is 4

Step-by-step explanation:

Given

21 x 39 x _____ x 19 divided by 12 = 5187

Required

Fill in the gap

Let the missing number be represented with y; So, the expression becomes

$\frac{21 * 39 * y * 19 }{12} = 5187$

Multiply both sides by 12

$12 * \frac{21 * 39 * y * 19 }{12} = 5187 * 12$

$21 * 39 * y * 19 = 62244$

Rearrange the expression on the left hand side

$21 * 39 * 19 * y = 62244$

$15561 * y = 62244$

Divide both sides by 15561

$\frac{15561 * y}{15561} = \frac{62244}{15561}$

$y = \frac{62244}{15561}$

$y = 4$

Hence, the missing number is 4

6 0

2 years ago

When f(x)=-3, what is x?

AlexFokin [52]

Answer:

x+3=66

66-3+2

x=5

7 0

3 years ago

Please help <br> I need this today :(

yuradex [85]

Step-by-step explanation:

Use COS method (Cos Angle = adjacent/hypotenuse)

given adjacent = 14 ft

hypotenuse = 67 ft

$\cos(x) = \frac{adjacent}{hypotenuse} \\ \cos(x) = \frac{14}{67} \\ x = {cos}^{ - 1} ( \frac{14}{67} ) \\ = 78 \: deg(nearest \: degree)$

5 0

2 years ago