MATHEMATICS MIDDLE SCHOOL

How do I do this?
4/5x>14

Answers

Answer 1
Answer:
Well, first, you need to know what you want to 'do' to it.

You want to find the description of what 'x' has to be in order to
make that inequality a true statement.  Here's one way to do it:

                                              4/5 x > 14

Multiply each side by  5 :     4    x  >  70

Divide each side by  4 :             x  >  17.5 .

That's it.  As long as 'x' is more than 17.5 ,
the original inequality is true.

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If you flip 3 fair coins, what is the probability that you'll get at least 2 heads?

Answers

Let's go through all of the possible scenarios. H=Heads T=Tails

HHH
HHT
HTT
HTH
THH
THT
TTH
TTT

4 of the 8 possible solutions ends  with at least 2 heads.

P(2 heads)=4/8
Simplify
P(2 heads)=1/2 or 50%

HelppWhat is the length of stack H D with bar on top when BH = 20 in., BC = 12 in., and DC = 14 in.? Round your answer to the nearest tenth of an inch.

Answers

We will use Pythagorean Theorem:
HC^2=20^2-12^2=400-144=256
HC=√(256)=16
HD^2=16^2-14^2=256-196=60
HD=√(60)=7.7459
Answer: HD=7.7 in.

What is 6 1/2 - 1 9/10

Answers

Find common denominator which is 10 then find the equivalent fraction for 6 1/2  = 6 5/10.
Now you have 6 5/10 - 1 9/10, but since first numerator is less than the second numerator you need to borrow from the whole number. 6 5/10 = 5 10/10 + 5/10 = 5 15/10. Now just subtract the whole numbers and the numerators.
5 15/10 - 1 9/10 = 4 6/10 simplify to 4 3/5.

The value of the solution after subtraction is,

⇒ 4 3/5

We have to give that,

An expression to solve,

⇒ 6 1/2 - 1 9/10

Now, change the fraction into an improper fraction,

⇒ 6 1/2 - 1 9/10

⇒ 13/2 - 19/10

⇒ 65/10 - 19/10

⇒ (65 - 19) / 10

⇒ 46/10

⇒ 23/5

⇒ 4 3/5

Hence, the Solution of the fraction is. 4 3/5

To learn more about the fraction visit:

brainly.com/question/5454147

#SPJ6

What fraction of the months of the year have 31 days?

Answers

there is 7 months so it would be 7/31 idk
7/31 that's the answer.

55 is 40% of what number?

Answers

40 over 100 and 55 over n cross multiply 55 x 100 and divide by 40.which gives you 137.5
55 is 40% of the number 275/2, or 137.5.

Usethe Pythagorean Theorem to find the missing length.a = 6m, b = 8m

a = 3in., c = 5 in.8.

b = 12ft, c = 15ft

a = 5km, b = 12km

Answers

Answer:

1: c =10

2: b = 4

3: a = 9

4: c =13
A^2+B^2=C^2 is the theorem
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