MATHEMATICS MIDDLE SCHOOL

Pls help
given that A= 1/2( a+c)h, express h in terms of A, a and c​

Answers

Answer 1
Answer:

Answer:

What are you trying to say? Like what each variable means or...

Are you trying to find the area of a triangle???

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18 is 20℅ of what of number?

Answers

18 is 20% of 90 

Change the percentage into a decimal by dividing it over 100:
(20)/(100) = 0.2

Divide 18 by 0.2:
(18)/(0.2) = 90
18 is 20% of 90.
18/90= 0.2 OR 20%

In the year 2002, the world population was estimated at 6 billion people. Based on research from the World Bank, about 20% lived on less than $1 per day. How many people lived on less than $1 per day?

Answers

In the given question all the information's are provided based on which the answer to the question can be easily deduced. It is already given that the population of the world in the year 2002 was estimated to about 6 billion. Among them 20% of the people lived on an an income of less that $1 per day.Firstly let us convert 6 billion from words to numbers.
6 billion = 6000000000
Now
Number of people earning less that $1 per day = (20/100) * 6000000000
                                                                           = 6000000000/5
                                                                           = 1200000000
So the number of people earning less than $1 per day is 1200000000

What is 15% of 63.20?

Answers

15% means  0.15 .

'of' means 'times'.

The problem is      (0.15) x (63.2) .

I think you can take over and do it from here.
15% of 63.20=9.48

There's your answer 

A square garden has a diagonal of 34 ft. Colton wants to put a fence around the entire garden. How much fencing will he need? Round to the nearest foot.

Answers

ok
pythagorean theorem
a and b are legs, c is hypotonuse (diagonal in this problem)
in square, legs are equal
a=b

a^2+b^2=c^2

diagonal is 34
a=b
a^2+a^2=34^2
2a^2=1156
divide both sides by 2
a^2=578
a=17√2

perimiter is 4 time 1 side for square
p=4 times 17√2
P=68√17 feet

aprox 96.1665 feet
Let s be the length of a side. 

By the Pythagorean Theorem (or knowledge of 45-45-90 triangles) we can find the length of a side from the hypotenuse. 
s² + s² = 34² 
2s² = 34² 
2s² = 1156 
s² = 578 

s = √578 
s ≈ 24.04 

There are 4 sides to the square: 
P = 4s 
P ≈ 96.16 

Answer: 
About 96 feet

I’m stuck on this problem
Pls help ASAP

Answers

Answer:

x=+12

Step-by-step explanation:

4(x+6)=6x=16


We move all terms to the left:


4(x+6)-(6x)=0


We add all the numbers together, and all the variables


-6x+4(x+6)=0


We multiply parentheses


-6x+4x+24=0


We add all the numbers together, and all the variables


-2x+24=0


We move all terms containing x to the left, all other terms to the right


-2x=-24


x=-24/-2

(idk if im correct so i deleted my answer)

Krista can type 60 words per minute.She wrote an essay by hand in 5 hours, and it is now 4 pages long and has 500 words in it. She wants to type up her essay. About how long will it take to type her essay? What is the extra or missing information

Answers

12 is the answer becuse 12 times what equal 60
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