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SVETLANKA909090 [29]
3 years ago
13

Sam works as a baggage carrier at an airport facility. He owes a certain amount of money, in dollars, to his friend Daniel. The

function y = 12x − 40 represents the amount of money that Sam has after paying Daniel back in terms of the number of hours he works at the airport.
Match the values and variables to the aspects of the situation they represent.

a.x-variable b.y-variable c.12 d.40



The amount in dollars that Sam owes Daniel____


The number of hours Sam works at the airport____


The amount in dollars that Sam has after paying back Daniel____


The amount in dollars that Sam earns per hour____
Mathematics
1 answer:
DENIUS [597]3 years ago
8 0
I do believe the answers in a row are A: x, B: 40, C: 12, D:y
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I need help!!<br> please and thank you!!!
tiny-mole [99]

Answer:

C

Step-by-step explanation:

..............................

7 0
3 years ago
What two numbers have a product of 110 and a sum of -21?
bonufazy [111]

Answer:

-11 and -10

Step-by-step explanation:

-11×-10=110

-11+-10=-21

6 0
3 years ago
Find the measure of Q, the smallest angle in the triangle whose sides have lengths 4-5, and 6. Round the measure to the nearest
kakasveta [241]

<u>Given</u>:

Given that PQR is a triangle.

The measures of the sides of the triangle are 4,5 and 6.

We need to determine the measure of ∠Q.

<u>Measure of ∠Q:</u>

The measure of ∠Q can be determined using the law of cosines formula.

Thus, we have;

\cos (Q)=\frac{p^{2}+r^{2}-q^{2}}{2 p r}

Substituting p = 6, q = 4, r = 5, we get;

\cos (Q)=\frac{6^{2}+5^{2}-4^{2}}{2 (6)(5)}

Simplifying, we get;

\cos (Q)=\frac{36+25-16}{2 (30)}

\cos (Q)=\frac{45}{60}

Dividing, we get;

\cos (Q)=0.75

      Q=cos^{-1}(0.75)

      Q=41^{\circ}

Thus, the measure of ∠Q is 41°

Hence, Option b is the correct answer.

4 0
3 years ago
Help plssss its urgent
Ainat [17]

i'm not sure how to help with the second thing, but for what looks like a quizzes, i think it should be 186

8 0
2 years ago
Solve the system: {4x-7y=30, 4x-5y=90
Lerok [7]

Answer:

x=60, y=30

Step-by-step explanation:

4x-7y=30

4x-5y=90

Subtract the equations

4x-7y=30-4x-5y=90

=2y=60

Solve 2y=60

Divide both sides by 2

2y/2=60/2

Simplify;

y=30

For 4x-7*30=30 for x

4x-7y*30=30

Multiply the numbers:7*30=210

4x-210=30

Add 210 to both sides

4x-210+210=30+210

Simplify;

4x=240

Divide both sides by 4

4x/4=240/4

Simplify

x=60

The solutions to the system of equations are:

x=60, y=30

Hope this helped!!!

7 0
3 years ago
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