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Black_prince [1.1K]
3 years ago
15

Which number is equivalent to 0.45 repeating ?

Mathematics
1 answer:
4vir4ik [10]3 years ago
3 0

Answer: 5/11

Tip:

You can solve for these repeating fractions by putting the repeating digits over 9's!

For example, 0.33 repeating:

33/99 = 1/3

And in the case of your problem:

0.454545...

45/99 = 5/11 (simplify!)

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The area of a triangle is 15 square inches
babunello [35]

Answer:

6 inches

Step-by-step explanation:

The formula for the area of a triangle is

Area = \frac{1}{2} (bh)

b - base

h - height

the first step is to add the information that we know into the formula.

We know the area = 15 inches^{2} and the height = 5 inches

15 in^{2} = \frac{1}{2} (b)(5)

if we had both the base and the height, the next step would be to multiply

b x h then half the answer to work out the area but as we already have the area (15in^{2}) we need to work in reverse.

15 x 2 = 30

what is 5 multiplied by to get 30?

5 x ? = 30

30 ÷ 5 = 6

∴ the base = 6inches

to check if our answer is correct, we can place these numbers into the formula

A = \frac{1}{2} (6)(5)

A = \frac{1}{2} (30)   (30 ÷ 2 = 15)

A = 15in^{2}

I hope this was helpful :-)

5 0
3 years ago
Evaluate 5+3^x for (a) x=-2 and (b) x=3 . Write your answers in simplest form.
alexdok [17]

Answer:

a: 3 to the power of -2 is 1/9 = 5 1/9

b: 3 to the power of 3 = 27

5+27 = 32

Step-by-step explanation:

7 0
2 years ago
The perimeter of a rectangular concrete patio is 38 meters. The area is 90 square meters. What are the dimensions of the patio?
Nookie1986 [14]
I hope this helps you

6 0
3 years ago
Help me please im giving good feedback!
iren [92.7K]
The answer is 95 in squared
7 0
3 years ago
Read 2 more answers
Factorize the equation <br>2b2 - 33b + 16 = 0​
Tamiku [17]

Answer:

(2b-1) (b-16)

Step-by-step explanation:

(2b^2-32b)(-b+16)

2b(b-16)  -1(b-16)

3 0
3 years ago
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