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Gennadij [26K]
3 years ago
14

Which equation is not a linear function: y=2x y=x+2 y=x-2 y=x²

Mathematics
1 answer:
padilas [110]3 years ago
4 0

Answer:

Step-by-step explanation:

A linear equation can be written in the form

y = mx+b.

y = x² is not linear.

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Ahmad run 5 kilometres. If he completed 15% of the race. How many kilometres is the race?
stepladder [879]

Answer:

x = 33.33 kilometers

Step-by-step explanation:

you could make use of the percent, base, and rate formula here. we know that 15% is the rate, 5 kilometers is the percent, therefore what we are looking for is our base.

\frac{percent}{base} =\frac{rate}{100}

\frac{5}{x}=\frac{15}{100} ; cross multiply.

15x = 500

x = 33.33 kilometers

therefore, the race is 33.33 kilometers.

4 0
3 years ago
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− 4n = -1 3− 4n - 18
Lady_Fox [76]

Answer:

0=-31

Step-by-step explanation:

7 0
3 years ago
In ΔSTU, the measure of ∠U=90°, SU = 7, UT = 24, and TS = 25. What ratio represents the tangent of ∠T?
Vinvika [58]

Answer:

Tan T = 7/24

Step-by-step explanation:

Firstly, please check attachment to have a picture of the triangle we are solving.

Now, we are concerned with calculating the ratio that represents the tangent of angle T.

Mathematically, the tangent of an angle is the ratio of the length of the opposite to the length of the adjacent.

In this question, our opposite is 7 while the adjacent is 24.

Thus Tan T = 7/24

6 0
3 years ago
How do you calculate the mean of a number?
valentinak56 [21]

Answer:

The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.

5 0
2 years ago
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Convert to %<br><br> 1) 1/2<br><br> 2) 1/4<br><br> 3) 1/3<br><br> 4) 3/10<br><br> 5) 6.5/10
inna [77]

Answer:

1) 50%

2) 25%

3) 33.33 %

4) 30%

5) 65%

6 0
2 years ago
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