MATHEMATICS MIDDLE SCHOOL

Find the mean of this set of numbers:
10, 10, 7, 12, 11

Answers

Answer 1
Answer:

Answer:

u just take the sum of all numbers divide by the number of numbers (5)
Answer 2
Answer: Answer: 10

Step-by-Step Explanation: 10+10+7+12+11=50
You divide 50 by 5 (which is the total of numbers)
You get the answer 10
The mean of this set of numbers would be 10

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125 thousandths = 1 tenth _______________ thousandths
From 145 pounds to 132 pounds decrease

Can you please help me its too hard

Answers

Answer:

12

Step-by-step explanation:

The area of a rectangle is l × w.

x × 11/3 = 44

x = 44 × 3/11

x = 12
the area of this figure is 12

1/4 divide by 5/8 i really need to know for homework

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Let's review fractions!!
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In fractions...
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what does DIVIDE do?
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I encourage you to think first before going on.
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Yup, multiply ( switch numerator and denominator ) of fraction being divided by!!
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So.
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1/4 divided by 5/8.
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Is...
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1/4 multiplied by 8/5.
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What's the answer?
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DRUM ROLL PLEASE!!
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DRUM ROLL...
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2/5.
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yeah.
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hope this helped!!

C=85x+60 solve for x

Answers

C=85x+60 

c-60=85x       \ Subtract \ 60 \ from \ both \ sides 

(c-60)/(85) = x        \ Divide \ both \ sides \ by \ 85 

x= (c-60)/(85)
C=85x+60
Subtract 60 from both sides and you get c-60=85x divide both side by 85 and get c-60 over 85=c

What is (3.5 x 10 to the fourth) to the secondwhen written in scientific notation with four significant digits?

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so that is 3.5 times 10000 or 35000
then it is squared so 1,225,000,000 but to four significant digits it would be 1225 times 10^6 or on a online test 1225e+06
Exponents raised by exponents are resolved by multiplying the two exponents together . . . so distribute the exponent to the paranthesis

note:
3.5 = 3.5^1

(3.5 x 10^4)^2

(3.5^1*2 x 10^(4*2))

(3.5^2 x 10^8)

12.25 x 10^8

1.225 x 10^9

Ellis used 48 ounces of rye flour in a bread write an expression you could use to find how many pounds of rye flour Ellis used

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48/16 = 3oz 1 pound = 16 ounces Hence, ounces/16 = pounds

Sybrina jogged 2 miles in 30 minutes. At this rate, how far would she jog in 90 minutes?At what rate did she jog each hour?

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6 miles in 90 minutes and 4 miles per hour. 30 times two is 60 min so 2 miles times two is 4 miles. 

another 30 min is 90 min and another two miles is 6 miles.
2miles per 30min - 2 to 3
90/30=3x2=6
6miles in 90min
She was jogging @ a 1mile per 15min but each hour it was 4mile per hour
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