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Harlamova29_29 [7]
3 years ago
13

Paco, the class president, surveys 280 students about the prices in the school cafeteria 70% of

Mathematics
1 answer:
Phantasy [73]3 years ago
6 0

Answer:

196 people want lower prices

Step-by-step explanation:

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What is the value of x to the nearest tenth? <br><br> 12.0<br><br> 7.2<br><br> 4.8<br><br> 9.2
RUDIKE [14]
Line x is the mid point of both lines
 so the triangle becomes base = 19.2/2 = 9.6
hypotenuse = 24/2 = 12

using Pythagorean theorem:

x^2 = 12^2 - 9.6^
x^2 = 144 - 92.16
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4 0
3 years ago
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Determine if the relation is a function. In your handwritten work, explain why or why not.
Anna35 [415]

Answer:

Step-by-step explanation:

Its not a function. The reason its not a function is because it doesnt pass the vertical line test. You could graph these points physically or you could think about it. The domain is the x value, while the range is the allowed y values. So by having the same x value relate to two different y values, just makes no sense. Imagine the function is x+4 and we are given in that graph that when x equals 6, the y equals 9 and 10. That isnt possible because we know the answer is 10, not 9, it cant be both.

Another way you could prove this is by graphing. If you try to take the slope in that interval where 6 coorelates to two y values. The change in y is 1, but the change in x is 0. When you divide 1/0, your calculator blows up. Try it

6 0
3 years ago
AN times E equals ABNA=1 B=5 E=3 N=0<br> A. True<br> B. False
stepladder [879]
The Correct Answer is B

B.False
4 0
3 years ago
What is the value of 40/z, when z = 10? <br><br>I WILL GIBE BRAINLY POINTS
Mamont248 [21]

Replace x with 10 and simplify the fraction.

40/10 = 4/1 = 4

The answer is 4

5 0
2 years ago
How many kilometers in a marathon​
irina [24]

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42.194988

Step-by-step explanation:

There are 42.194988 km in 1 marathon

5 0
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