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weqwewe [10]
3 years ago
9

The function f(x) = 10x + 15 models

Mathematics
1 answer:
garik1379 [7]3 years ago
5 0

Answer:

$55

Step-by-step explanation:

X represents the amount of hours that Jack shovels for and it says that he shoveled for four hours. All you have to do it plug 4 into the equation. It will be 10(4)+15. After you simplify it you will see that he gets 55 dollars for four hours of work.

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Vlad spent 20 minutes on his history homework and then completely solved x math problems that each took 2 minutes to complete. W
Veronika [31]
To solve you first need to pick out the most important information,
~Spent 20 minutes 
~Each prob takes 2 minutes
Lets have y be the total time spent, and x the number of probs
(y/2) = x
Hope this helped!! ^-^


6 0
3 years ago
Read 2 more answers
Select the correct answer.<br> Which of the following sets of ordered pairs represents a function?
iogann1982 [59]

Answer: {(-8, -14), (-7,-12), (-6,-10), (-5,-8)}

Step-by-step explanation: A function is a relation in which each x-coordinate corresponds to exactly one y-coordinate.

In the relations show here, notice that the first set

of ordered pairs is the only set where each x-coordinate

appears once with a different y-coordinate.

In the other ordered pairs, there is an x-coordinate that appears more

than once and it corresponds to a different y-coordinate.

For example, in the second relation,

the x-coordinate -9 appears twice.

In one case, -9 corresponds to -12 and

in the other case, it corresponds to -8.

So, this is not a function.

3 0
3 years ago
How do I solve 4.6x^2 + 3.2x - 4x + 2.7x^2 - x
jekas [21]
4.6x^2+3.2-4x+2.7x^2-x=4.6x^2+3.2x+-4x+2.7x^2+-xCombine like terms:4.6x^2+3.2x+-4x+2.7x^2+-x=(4.6x^2+2.7x^2)+(3.2x+-4x+-x)=7.3x^2+-1.8xAnswer:7.3x^2-1.8x
4 0
3 years ago
Please solve this i really need this
d1i1m1o1n [39]

Answer:

a = 8 (to nearest whole number)

Step-by-step explanation:

Given:

m<B = 36°

m<C = 104°

c = 12

Required:

a

SOLUTION:

✔️First find m<A:

m<A = 180 - (104 + 36)

m<A = 40°

✔️Find a using Sine Rule:

Thus:

\frac{a}{sin(A)} = \frac{c}{sin(C)}

Plug in the values

\frac{a}{sin(40)} = \frac{12}{sin(104)}

Multiply both sides by sin(40)

\frac{a}{sin(40)} * sin(40) = \frac{12}{sin(104)} * sin(40)

a = \frac{12*sin(40)}{sin(104)}

a = 8 (nearest whole number)

4 0
2 years ago
Ed needed to extend the string on his kite. The current string was eight and three fourths feet. He cut a piece of string that m
Pani-rosa [81]

The new length of the string is  (13 + 1/4) feet, then the correct option is the last one (counting from the top)

<h3> What is the new length of the string?</h3>

We know that the current string was (8 + 3/4) feet in length. Then they add another piece that measures 4.5 feet.

The new length of the string is given by the addition of the above two lengths, we will get:

L = (8 + 3/4) feet + 4.5 feet

We can rewrite the second length as a mixed number:

4.5 = 4 + 1/2 = 4 + 2/4

Replacing that we get:

L = (8 + 3/4) ft + 4.5 ft

  =  (8 + 3/4) ft + (4 + 2/4) ft

  = (8 + 4) ft + (3/4 + 2/4) ft

  = 12ft + 5/4ft = 12ft + (4/4 + 1/4)ft = (13 + 1/4)ft

The new length of the string is  (13 + 1/4) feet, then the correct option is the last one (counting from the top).

If you want to learn more about mixed numbers:

brainly.com/question/1746829

#SPJ1

6 0
2 years ago
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