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lesya [120]
3 years ago
11

Labor time = 8 hours

Mathematics
2 answers:
Blizzard [7]3 years ago
6 0
 8(1.65)R + 98.70 = 242.58 13.20R = 143.88 [subtract 98.70 from both sides] R = $10.90 / hr. [divide both sides by 13.20] 
Masteriza [31]3 years ago
5 0

Answer:

Hourly Rate for labor = 10.9%

Step-by-step explanation:

Labor time = 8 hours

Overhead rate = 65%

Retail price of parts = $98.70

Total cost of job = $242.58

Let hourly rate of the labor be r

⇒ Labor time × (1 + overhead rate) × r + Retail price = Total cost

⇒ 8 × (1 + 0.65) × r + 98.70 = 242.58

⇒ 8 × 1.65 × r = 242.58 - 98.70

⇒ 13.2 × r = 143.88

⇒ r = 10.9

Thus, Hourly Rate for labor = 10.9%

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A dairy scientist is testing a new feed additive. She chooses 13 cows at random from a large population. She randomly assigns no
Darina [25.2K]

Answer:

is that hindi or something.

Step-by-step explanation:

7 0
3 years ago
Simplify the given expression. (18+ - 8)2​
JulsSmile [24]

Answer:

20

Step-by-step explanation:

Our expression:

2 * (18 + - 8)

Plus then minus (+ -) is the same as just minus ( - )

Some examples:

1 + (+ 1) = 2

1 + (- 1) = 0

1 - (+ 1) = 0

1 - (- 1) = 2

Thus, 18 + - 8 is the same as 18 - 8

2 * (18 + - 8) =

= 2 * (18 - 8) =

= 2* (10) =

= 2 * 10 =

= 20

Answer: 20

6 0
3 years ago
Determine
mihalych1998 [28]

Answer:

=4.+2.

Step-by-step explanation:

<u>Linear Combination Of Vectors </u>

One vector \vec b is a linear combination of \vec a_1 and \vec a_2 if there are two scalars x_1, x_2 such as

\vec b=x_1\vec a_1+x_2\vec a_2

In our case, all the vectors are given in R^3 but there are only two possible components for the linear combination. This indicates that only two conditions can be used to determine both scalars, and the other condition must be satisfied once the scalars are found.

We have

\vec a_1=,\ \vec a2=,\ \vec b=

We set the equation

=x_1.+x_2.

Multiplying both scalars by the vectors

=+

Equating each coordinate, we get

4x_1-4x_2=8

5x_1+3x_2=26

-4x_1+3x_2=-10

Adding the first and the third equations:

-x_2=-2

x_2=2

Replacing in the first equation

4x_1-4(2)=8

4x_1=8+8

x_1=4

We must test if those values make the second equation become an identity

5(4)+3(2)=20+6=26

The second equation complies with the values of x_1 and x_2, so the solution is

=4.+2.

8 0
3 years ago
I NEED HELP WITH THIS AND U GOTTA EXPLAIN HOW U GOT THE ANSWER q2
Fantom [35]

Answer:

27 degrees

Step-by-step explanation:

5t - 13 = 3t + 3

subtract 3t on both sides

2t - 13 = 3

add 13 to both sides

2t = 16

divide by 2 on both sides

t = 8 degrees

Now, plug in 8 to the measure of x

5(8) - 13 = 27

4 0
3 years ago
Read 2 more answers
F (n) = 65 - 100n<br> f (39) =
yan [13]

f(39)=65-100(39)

65-3900

= -3835

6 0
3 years ago
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