The area of a triangle is 56.4 cm2 and the base is 12 cm. What is the height of the triangle

Answers

Answer 1

Answer: area of a triangle= base x height / 2
so reverse this to get the answer
56.4x2=112.8
112.8/12=9.4
the height of the triangle is 9.4cm

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The length of a rectangle is 4 times its width and the perimeter is 150 feet. What is the width of the rectangle?

A.
75 feet

B.
30 feet

C.
15 feet

D.
60 feet

Answers

We know that L = 4W, and P = 2l + 2w, so 150 = 2L + 2w
So, 150 = 2*4w + 2w
150 = 8w + 2w
150 = 10w
w = 150/10
w=15
So, the Width of the Rectangle is 15 feet.
And if they asked you to find the length,
L = 4W
L = 4*15
L=60
so, the Length will be 60 feet.

Hope this Helps! :)

Let width be xSo2(x+4x)=10x=150x = 15 feet

1,2,6,24,120 what are the next two terms in this sequence?

Answers

The multiplier increases by one each time:

1 x 2 = 2
2 x 3 = 6
6 x 4 = 24
24 x 5 = 120
120 x 6 = 720
720 x 7 = 5040
5040 x 8 = 40320
....

720 and 5,040 are the next two numbers

How many times greater is the value of the 6 in 560,984 than the value of the 6 in 85,560?

Answers

Each place value is 10 times higher than the one below it. The 6 in 560,984 is 3 place values ahead of the 6 in 85,560, and 10*10*10=1000, so it is 1000 times greater

without looking not picking a red hat from a box that holds 20 red hats, 30 blue hats, 15 green hats, and 25 white hats

Answers

there are 90 hats all together. from just red the fraction is 20/90. 20 divide by 90 = .22
there is a 22% chance.

Answer:

the box

Step-by-step explanation:

Which inequality is equivalent to 8 < 3x – 4(2x – 5)?

Answers

8<-5x+20 is one possible answer. it depends on how they are writing it. you need to do the distributed property.

How do u decomposition 1 1/4

Answers

It is 5/4 if you want it in an improper fraction.
So the rule is multiply down low and add up high.
If you know what 1 (the whole number) times 4 (the denominator) will equal 4
Then add the 1 to the four that will equal 5 with the same denominator which is 4
The answer is 5/4
If that is what you asked

If you would like and improper fraction it would be 5/4

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