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Nesterboy [21]
4 years ago
14

Suppose an automobile manufacturer designed a radically new lightweight engine and wants to recommend the grade of gasoline that

will have the best fuel economy. The four grades are regular, economy, premium, and super premium. The test car made three trial runs on the test track using each of the four grades. The miles per gallon were recorded for each grade. At the 0.05 level, what is the critical value of F used to test the hypothesis that the miles per gallon for each fuel are the same? Kilometers per Liter Regular Economy Premium Super Premium 39.31 36.69 38.99 40.04 39.87 40.00 40.02 39.89 39.87 41.01 39.99 39.93
Mathematics
1 answer:
lapo4ka [179]4 years ago
4 0

Answer:

this is very confusing to understand that you want.

Step-by-step explanation:

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Solve for x 1.x=1 and 2over 3​
kogti [31]

Answer:

<h3>x = 1 and 2/3 or x = 1 2/3</h3><h3 />

Step-by-step explanation:

Simplify both sides of equation

1 * x = 1 2/3

1 * x is 1x which is the same as x because there is one x

then for the improper fraction which is 1 2/3

to simplify improper fractions we times the whole number by the denominator

so 1 * 3 then add the numerator 2 and the denominator stays the same so we get x = 5/3

now we have x = 5/3 this is not correct because the numerator is bigger than the denominator so we just subtract the denominator from the numerator and how many times 3 goes into 5 (in this case 1) becomes the new whole number.

therefore we get x = 1 2/3

6 0
3 years ago
Draw a decimal model and write 0.78 as a fraction in simplest form
Helen [10]
0.78 as fraction in simplest from is 39/50 and the a drawing in decimal is practially like squares 

4 0
3 years ago
Find the area of the triangle below. Be sure to include the correct unit in your answer.
Yuri [45]

Answer:

54 cm

Step-by-step explanation: 1/2b x h

1/2(18) x 6

9 x 6=54

8 0
3 years ago
13x^-5 y^0/5^-3 z^-10
VMariaS [17]

Answer:

\frac{1625z^{10}}{x^{5}}

Step-by-step explanation:

We want to simplify:

\frac{13x^{-5}y^0}{5^{-3}z^{-10}}

We rewrite as positive index to get:

\frac{13y^05^{3}z^{10}}{x^{5}}

This simplifies to

\frac{13*1*125z^{10}}{x^{5}}

This will finally give us:

\frac{1625z^{10}}{x^{5}}

We cannot simplify further.

Hence the simplest form is \frac{1625z^{10}}{x^{5}}

7 0
3 years ago
PLEASE HELP!!!! TIME LIMIT ASAP (50 POINTS)
Lina20 [59]
There is no way to do this...

4 0
3 years ago
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