MATHEMATICS MIDDLE SCHOOL

there are 750 people at a football game. Out of this number, 320 are students.  What percent of the people at the football game are not students? Round to the nearest tenth if needed?

Answers

Answer 1
Answer: to do this problem you use is/of=percent/100
So:
320/750=x/100
cross multiply 
32,000=750x
divide both sides by 750
x=42.66 repeating

ANSWER: X=42.66 REPEATING
Answer 2
Answer: You need to use this equation:
part of the whole = percentage x whole (simpler, it is a=pw)
In this case, it would be
320 = p x 750
Because p is the percentage we are trying to find.
You would then divide both sides by 750 to isolate p.
320 divided by 750 is 0.4266, and rounding to the nearest tenth it would be 0.43. Now your equation is
0.43 = p
To make it a percentage you move the decimal to the right two times. That makes your equation
43 =p
So 43% of the people at the football game are not students.

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Victor went to the barber to get a haircut. The haircut cost $9. Victor gave the barber a 25% tip. How much did Victor spend at the barber shop altogether?

Answers

Answer: He spent $ 11.25 at the barber shop.

Step-by-step explanation:

Here, The cost of hair cutting = $ 9,

While, the tip he gave = 25 % of the cost of hair cutting

= 25 % of 9

= 0.25 × 9

= $ 2.25

Since, Victors's total spending = The cost of hair cutting + Tip

= 9 + 2.25

= $ 11.25

Hence, He spent $ 11.25 at the barber shop.
He gave the barber an extra $2.25 so in all he paid $11.25

How many solutions does the equation 9x+27=27 have ?

Answers

First we rearrange to make x = a number

9x + 27 = 27     <- subtract 27 from both sides
9x = 0

When x ='s a number there is 1 solution. 
The answer is 1 solution.

Here are some examples to distinguish how many solutions something has:
> No solution, 0 = 12
> One solution, Y = 6
> Infinite solutions, 0 = 0


Please give me brainliest answer if I helped!

The average 10 year old boy is 55 inches tall. How tall is this, in feet?

Answers

There is 12 inches in a foot. Times inches by feet. You can pick a number for the feet and do trial and error until you get a number the closet to 55.

12 inches times 4 feet equals 48 inches.
12x4= 48
Now subtract 55 inches from 48 inches
55-48= 7 inches

So 4 feet and 7 inches tall

Can someone help me plz

Answers

The answer to this question is 82

Answer:

i got 85

Step-by-step explanation:

Find the mean absolute deviation. Round to the tenth

Answers

Answer:

1) 1.8 round to tenths

Step-by-step explanation:

To find the mean absolute deviation we follow these steps:

  1. Find the mean value by adding all data values and dividing by number of data values
  2. Find the absolute value of the difference between each data value and the mean: | data value – mean. |
  3. Divide the sum of the absolute values of the differences by the number of data values

1) 4,5,10,8,4,8,7,6

step 1

4+5+10+8+4+8+7+6 / 8 = 6.5

Mean (μ): 6.5

step 2

|4-6.5| + |5-6.5| + |10-6.5| + |8-6.5| + |4-6.5| + |8-6.5| +|7-6.5| + |6-6.5|  = 14

step 3

14 / 8 = 1.75  

Repeat these steps for other parts.

i have 10 hundred blocks and 5 ones blocks and 8 tens blocks, i use all my blocks to model two 3-digit numbers. What could my two numbers be?

Answers

-Answer- 1,085-10X100= 1000(Nothing in the hundreds place)8 in the tens place5 in the ones placeBoom chacalika
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