Someone help me with this!!

Answer:

76%

Step-by-step explanation:

For the definition of mean we can write this equation

(75 + 86 + 83 + x)/4 = 80

(244 + x)/4 = 80

244 + x = 320

x =76 %

Answer:

the answer is A

Step-by-step explanation:

[tex]x + 10 = 2x - 4 \\ 10 + 4 = 2x - x \\ x = 10 + 4 \\ x = 14[/tex]

Answer:

55%

Step-by-step explanation:

Answer:

range=19

Step-by-step explanation:

Answer:

50.5

Step By Step Explanation:

The IQR describes the middle 50% of values when ordered from lowest to highest.

41.44.46.47.48.49.52.57.57.60.60

There were two numbers in the center.

Add 49+52.

49+52=101

Divide 101 by 2.

101÷2=50.5

Answer:

8: 73.2 cm

10: 738 mm

Step-by-step explanation:

8: A= 12.2 (4.5 + 7.5) / 2 --> 146.2 / 2 = 73.2 cm

10: A= 36 (22 + 19) / 2 --> 1,476 / 2 = 738 mm

Answer:

8: 73.2

10: 738

Step-by-step explanation:

Area of a trapezoid = [tex]A=\frac{a+b}{2} h[/tex]

where a and b = base lengths and h = height

For #8

These are the given dimensions

Base 1 = 4.5

Base 2 = 7.5

Height = 12.2

All we have to do is plug in the values into the formula

So....

[tex]A=\frac{4.5+7.5}{2} 12.2\\4.5+7.5=12\\\frac{12}{2} =6\\6*12.2=73.2[/tex]

Hence the answer is 73.2cm²

For #10

Once again all we have to do is plug in the values into the formula

[tex]A=\frac{22+19}{2} 36\\22+19=41\\\frac{41}{2} =20.5\\20.5*36=738[/tex]

Hence the answer is 738

Answer: $62.25

Step-by-step explanation:

The mark-up is $477.25 - 415 = $62.25

Answer:

Where are the lines?

Step-by-step explanation:

Answer: Pick the first number line in the image not the second.

Step-by-step explanation: Shaded circle means included, open circle means not included.

Answer:

Step-by-step explanation:

Answer:

1. Four thousand five hundred ten

2. 51.65 rounded to the nearest whole number is 52.

3. 2622 divided by 3 = 874

4. [tex]6940 / 10^{2}[/tex] = 69.4

5. 3/4 x 5 = 3.75 or [tex]3\frac{3}{4}[/tex]

6. (2 x 7) - (2 x 5) = 4

7. The area is [tex]\frac{6}{7}[/tex]

8. 70 - (20-13) would probably work

Please give my brainliest if I helped!

the width of the rectangle is 93

Hope this helps and I did not use the picture but here is what I know

Answer: Mercury's average distance from the sun is 5.791 x10e9 km. about how many times farther from the sun is Neptune than mercury? On average, Mercury is about 57,000,000 km from the sun , whereas Neptune is about 4.5*10^9 km from the sun.

Answer:

803.458042 took me a while hope this helps

Answer:

I think the first job would pay more when in the US

Answer:

36.8/2.8 = 16

Expression 1 = 368/28

Expression 2 = 3.68/.28

Step-by-step explanation:

If you move the decimal the same on both numbers of a division problem the answer stays the same.

Answer:

1. 32÷2, 64÷4

2. 16

Step-by-step explanation:

Expression 1:

32÷2=16, and 64÷4=16.

Expression 2:

Change the divisor 2.3 to a whole number by moving the decimal point 1 places to the right. Then move the decimal point in the dividend the same, 1 places to the right.

We then have the equations:

368 ÷ 23 = 16

and therefore:

36.8 ÷ 2.3 = 16

Both calculated to 0 decimal places.

Answer:

31

Step-by-step explanation:

/

Answer:

D, 70 to 72 seconds

Step-by-step explanation:

The function increasing in the interval,

70 to 72 seconds.

The function decreasing in the interval,

64 to 66 seconds.

In mathematics, a graph is a visual representation or diagram that shows facts or values in an ordered way.

The relationships between two or more items are frequently represented by the points on a graph.

Given:

Kyle went to the state fair and rode the Ferris wheel.

The graph represents the last 40 seconds of Kyle's Ferris wheel ride.

From the graph:

The function increasing in the interval,

40 to 44 seconds, 50 to 52 seconds, 56 to 60 seconds and 70 to 72 seconds.

The function decreasing in the interval,

44 to 48 seconds, 52 to 56 seconds, 64 to 66 seconds.

Therefore, the intervals are given above.

To learn more about the line graph;

https://brainly.com/question/23680294

#SPJ2

Answer: 3/5

Step-by-step explanation: y2-y1/x-x1 is the formula for slope so you plug in. 2-(-1)=3 and 3-(-2)=5 and since you can't simplify anymore your answer is 3/5.

Answer:

t<50.c I think if I read right

Answer:

T > 50°C

Step-by-step explanation:

The question is asking for an inequality that shows the required temperature for T. Since < means less than and > means greater than we will use >.

T > 50°C is the same as saying T is greater than 50°C which is what we are looking for.

Answer:

Answer: 20%

To find the percentage of a fraction just do the top number divided by the bottom you get 0.2 and 0.2 is equal to 20% so 20% is the answer hope that helps!

Answer:

1/5 = 20%

Step-by-step explanation:

1/5 = 1 ÷ 5 obviously

So figure out 1 ÷ 5

Your answer would be 0.2

Now, when converting a number to a percent you would multiply it by 100

0.2 × 100 is

20%

I hope I helped! :)

Answer:

I think the answer is A

Step-by-step explanation:

Answer:

10 months.

Step-by-step explanation:

1200 + 25x = 1450; x = 10

Answer:

About 70.71068 m is your answer.

Step-by-step explanation:

V=1/4h﹣a4+2(ab)2+2(ac)2﹣b4+2(bc)2﹣c4

≈70.71068

Please mark Brainliest and hope this is right!

Answer:

A. 44 inches

Step-by-step explanation:

1] Add the numbers given 6 + 6 + 11 + 11 = 34 (because you are trying to find the perimeter)

2] Subtract 6 from 11,  11 - 6 = 5

3] do the same to the top 11 - 6 = 5

4] then add the new numbers together along with the given ones. 6 + 6 + 11 + 11 + 5 + 5 = 44

Answer: A

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

Answer:

5.2x9.3x2.5=120.9

hope this helps have a great day :3 also can i get brainliest ty

Answer:

2.5

Explanation:

5.2×9.3×2.5=120.9

I got the answer by multiplyinh 5.2×9.3=48.36 then i divided 120.9 by 48.36 to get the answer which is 2.5