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VMariaS [17]
3 years ago
14

Beth wrote a system of equations to determine when a referee will earn the same salary working the East Conference and West Conf

erence games. y = 40x − 25 and y = 35x − 5 (x = total games and y = amount earned) Beth determined that at 135 games, the referee would earn the same salary for each conference game. Is she correct?
Mathematics
1 answer:
notka56 [123]3 years ago
6 0

Answer:

She is incorrect

Step-by-step explanation:

Step 1: substitute

135 into x in both equations

Step 2: Solve the equations. Once you do this you will get y = 5375 for the first one and y = 4720 for the second one, therefore she is incorrect

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to enter the fair and $12 on food. Rides at the fair cost $1.25 per ride. Which function can be used to determine how much money
Nana76 [90]
F(x) = 1.25x + 12.

12 Is the cost of food, and 1.25x represents that every ride (x) is 1.25 dollars.

f(1) = 1.25(1) + 12
f(1) 13.25

If he rides one ride, then it will cost this 13.25 dollars in total

f(2) = 1.25(2) + 12
f(2) = 14.5

If he rides two rides, then it will cost 14.5 dollars in total

f(3) = 1.25(3) + 12
f(3) = 15.75

If he rides 3 rides, it will cost 15.75 dollars in total, etc. etc.

Hope this helps!!
4 0
3 years ago
Tan (-3pi/2) what is the value
Andreas93 [3]
<span>tan<span>(<span><span><span>(<span>−3</span>)</span><span>(3.141593)</span></span>2</span>)</span></span><span>=<span>tan<span>(<span><span>−9.424778</span>2</span>)</span></span></span><span>=<span>tan<span>(<span>−4.712389</span>)</span></span></span><span>=<span>−<span>5443746451065123</span></span></span>
5 0
3 years ago
Find the surface area of a cube<br> with side length 8.5 cm.
EastWind [94]
<h3>Answer:   433.5 square cm</h3>

=========================================================

Explanation:

A cube has 6 identical faces, all of which are squares.

Each square has a side length of 8.5 cm, so its area is (8.5)^2 = 72.25 sq cm.

The overall surface area, aka the area of all 6 faces combined, is 6*72.25 = 433.5 square cm

7 0
3 years ago
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Scatterplots are used to analyze patterns of the relationship between two sets of continuous data. 
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3 years ago
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A grain silo has a diameter of 4.4 meters. The height of its cylindrical portion is 6.2 meters.
erastova [34]
Volume of a cylinder = Height x base are
H = 6.2 m
Bae are = π.R² ; Diameter =4.4 m, then Radius = 2.2 m
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And Volume=:
V= (6.2).(π,2.2²) = (6.2).(π)(.4.84) = 30.008.π ≈ 94.2 m³
4 0
3 years ago
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