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Pavlova-9 [17]
3 years ago
14

Can you help me please?

Mathematics
2 answers:
irga5000 [103]3 years ago
8 0

Answer:

36.6

Step-by-step explanation:

if he puts in 12.2 as the input, then the equation would look like this f(12.2) = 3(12.2)

which would be

f(12.2) = 36.6

that is because x is the input, so if x = 12.2, then the equation above is what it would look like

Harman [31]3 years ago
4 0

Answer:

36.6

Step-by-step explanation:

All of them are multiplied by 3

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DaniilM [7]

Answer:

The answer is "\bold{(7.1-8.3) \pm 1.665 \sqrt{\frac{(1.7)^2}{50}+\frac{(1.9)^2}{39}} }\\\\"

Step-by-step explanation:

Given values:

\bar{x_1}=7.1\\\\\bar{x_2}=8.3\\\\s_1=1.7\\\\s_2=1.9\\\\n_1=50\\\\n_2=39

Using formula:

\to (\bar{x_1} -\bar{x_2}) \pm t \sqrt{\frac{(s_1)^2}{n_1}+\frac{(s_1)^2}{n_2}} \\\\

Put the values in the above formula:

\to (7.1-8.3) \pm 1.665 \sqrt{\frac{(1.7)^2}{50}+\frac{(1.9)^2}{39}} \\\\

4 0
3 years ago
What is the solution to this equation x/5= -20 A. x=4 B. x=100 C. x=-4 D. x=-100
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Answer:

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Step-by-step explanation:

5×x/5=5×(-20) (reduce and multiply)

X= -100

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3 years ago
Solve the system using elimination<br> 5x-y=0<br> 3x+y=24
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All sides of a triangle add up to 180 degrees. Since we know one angle is 93 degrees, we know that the top part is going to equal 180 degrees. We know that two of those measurements are 93 and 45, so we add those together to get 138. We subtract this from 180 to find the missing angle, which is 42 degrees. So, the left side of the triangle is equivalent to 45 degrees and the right side (x) is 42 degrees. 93 + 45 + 42 = 180. If it was asking for the measurements of the supplementary angles to the bottom angles of the triangle, then those would be (for 45) 135 and (for 42) 138, that way both angles and their supplements add up to 180 each. I hope this helps and that it’s right
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4 years ago
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Answer:

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Step-by-step explanation:

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The Volume of the Rectangular prism on the right is 40

8 0
3 years ago
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