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4 years ago

What is the mean? Round to the nearest tenth if needed.

Mathematics

1 answer:

Ray Of Light [21]4 years ago

5 0

Answer: i think this is it

the answer would be 3

Step-by-step explanation:

It says something like this: Multiply each value by the frequency of that value: 1*7, 2*1, etc. I'll let you write down the rest.

Divide by the sum of the frequencies, 7 + 1

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2 1/4 = 1 2/7÷x<br><br> what is x?

Roman55 [17]

Answer:

x=4/7

Step-by-step explanation:

Change mixed fractions to improper fractions

2 1/4 = 9/4

1 2/7 =9/7

Therefore, we have

9/4=9/7÷x

9/7÷x is 9/7×1/x=9/7x

Then, we have

9/4=9/7x

Cross multipy

9×7x=9×4

63x=36

Make x the subject of the formula, we have

x=36/63

x=4/7

8 0

3 years ago

What is the scale factor?

Sever21 [200]

Answer:

I think the scale factor is 2 because 12 divided by 6 is 2.

8 0

3 years ago

A plane flew for 4 hours heading south and for 6 hours heading east. If the total distance traveled was 3,370 miles, and the pla

matrenka [14]

We know the total distance and individual times, so we can sum and equate total distance.

Let
E=speed heading east
E+45=speed heading south
then
4(E+45)+6E=3370 miles
Solve for E:
4E+180+6E=3370
10E=3370-180=3190 mph
E=319 mph.

7 0

4 years ago

A rectangle is located on a coordinate plane. If the ordered pair (t, u) represents a vertex of this rectangle, which algebraic

In-s [12.5K]

Answer: (t,u) -> (t-3, u+8)

Step-by-step explanation: Up is the y value and left is the x value.

In the point ( t,u) t is the x value and u is the y value.

Moving to the left, you subtract the value and moving up you add the value.

The answer would be (t, u) → (-t – 3, u + 8)

5 0

3 years ago

What is the slope of the line passing through the points (0, 4) and (-8, – 1)?

irina1246 [14]

Answer:

0.625

Step-by-step explanation:

i gotchu

3 0

3 years ago