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3 years ago

Find percentage of each quantity. 40% of an hour

Mathematics

1 answer:

mojhsa [17]3 years ago

8 0

The 40% of one hour is 24 minutes. U can get to that result by multiplying 60(one hour) by 0.40.
Hope this help!

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2x+y=2 I am trying to solve that problem

posledela

Answer:

y= 2-2x

Step-by-step explanation:

Isolate y.

$2x + y = 2 \\ y = 2 - 2x$

4 0

2 years ago

Find the area of following rhombuses. Round your answers to the nearest tenth if<br> necessary.

polet [3.4K]

Answer:

$Area =55.4ft^2$

Step-by-step explanation:

Given

The attached rhombus

Required

The area

First, calculate the length of half the vertical diagonal (x).

Length x is represented as the adjacent to 60 degrees

So, we have:

$\tan(60) = \frac{4\sqrt 3}{x}$

Solve for x

$x = \frac{4\sqrt 3}{\tan(60)}$

$\tan(60) = \sqrt 3$

So:

$x = \frac{4\sqrt 3}{\sqrt 3}$

$x = 4$

At this point, we have established that the rhombus is made up 4 triangles of the following dimensions

$Base = 4\sqrt 3$

$Height = 4$

So, the area of the rhombus is 4 times the area of 1 triangle

$Area = 4 * \frac{1}{2} * Base * Height$

$Area = 4 * \frac{1}{2} * 4\sqrt 3 * 4$

$Area =2 * 4\sqrt 3 * 4$

$Area =55.4ft^2$

7 0

3 years ago

13 points !!-1/4 > 1/2

Brrunno [24]

-1/4 is less then 1/2 because -1/4 is negative and 1/2 is positive and also -1/4 is 25% and 1/2 is 50%

4 0

3 years ago

Labor rate = $7.50 per hour Labor time = 6.5 hours Retail price of parts = $0 Total job cost = $82.00 Overhead rate?

Ulleksa [173]

Total cost job=
Retail price of parts+labor cost+manufacturing overhead

Total cost job 82

Retail price of parts 0

Labor cost=7.5×6.5=48.75

Manufacturing overhead ?

82=0+48.75+?

?=82−48.75

?=33.25

Manufacturing overhead is 33.25

Now find manufacturing overhead rate from the cost of labor
33.25÷48.75=0.682×100=68.2%

The answer 68.2%

4 0

2 years ago

Which of the following is a valid exclusion for the algebraic expression

zheka24 [161]

Answer:

4a^2b-8ab^2

Step-by-step explanation:

3 0

2 years ago