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Katen [24]
3 years ago
13

9. Find the mean of the following sets of numbers2.4.6. 12.7.19​

Mathematics
1 answer:
kolbaska11 [484]3 years ago
6 0

Answer:

8.3

Step-by-step explanation:

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Find the measure of ∠z.
Savatey [412]

Answer:

B,(30)

Step-by-step explanation:

3 0
3 years ago
Simplify and give term,coefficient,and constant for each one
Rama09 [41]

Answer:

7m-3x-1

10x+26

7x-12

Step-by-step explanation:

3m - 1 + 4m -3x

sum terms by the same variable:

3m+4m=7m

we have:

7m-3x-1

7(3+2x)-4x+5

apply the distributive property:

7*3+7*2x-4x+5

we have:

10x+26

3x+4(x-3)

apply the distributive property:

3x+4*x-12

we have:

7x-12

8 0
3 years ago
Read 2 more answers
10% of the passengers on a fly with us airlines flight are in first class. If there are 40 passengers in first class, how many t
MissTica

Answer:

400 passengers

Step-by-step explanation:

To solve the problem, a proportion would be best!

First, let's set up the left side of the proportion. Percents, when used in parts, are always part of 100%, making 100% a whole. We'll use both 10% and 100% as our first fraction, which should look something like this:

\frac{10p}{100w} (with <em>p </em>standing for <em>part </em>and <em>w</em> standing for the <em>whole</em>)

Next, let's set up the right side of our proportion. We'll use the 40 for our part and x for our whole since that is the number we are solving for. The proportion should now look like this:

\frac{10p}{100w} = \frac{40p}{x}

To solve, just cross multiply and divide! Multiply 40 by 100 to give you 4,000. Next, divide 4,000 by the remaining 10 to give you a final answer of 400. If 40 passengers on the flight are in first class, then there are 400 total passengers. Hope this helps!

7 0
3 years ago
Write Three ratios that are equal to 12:18
mylen [45]

Answer:

24 : 36

72:108

312:468

hope i helped :)

3 0
2 years ago
Whats 45 572 in words
Leona [35]
That is:
Forty-five thousand, five hundred seventy-two.
~Deceptiøn
3 0
3 years ago
Read 2 more answers
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