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2 years ago

G Express as a percent. 4/5%

Mathematics

1 answer:

Aloiza [94]2 years ago

5 0

Answer:

80%

Step-by-step explanation:

I'm assuming you meant express 4/5 as a percent and not 4/5%. So simply evaluate 4/5 to get 0.80. Now multiply this value by 100 to get the percentage which gives you 80%

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X2 + 8x + 19 = 0 What is the equivilent that results from completing the square?

IrinaVladis [17]

Answer:

$(x+4)^2+3=0$

Step-by-step explanation:

Hey there!

Standard form is what this equation is in

Standard form is this: $ax^2+bx+c$

So order to complete the square, you need to take the $b$ term out of the equation, divide it by two, and then square it

In this case, the $b$ term is 8

We need to divide 8 by 2 ---> 4

Then square 4 ---> 16

So now you should add 16 to both sides

$x^2+8x+16+19=16$

Now you can simplify the LHS

$(x+4)^2 +19=16$

Now you subtract 16 from both sides

$(x+4)^2+3=0$

So this is as far as you can go since you cannot take the square root of a negative number

5 0

2 years ago

Solve the system of linear equations. <br>- 3x + 5y = 13 <br> x + 4y = -10

Molodets [167]

Answer:

(-6,-1)

Step-by-step explanation:

5 0

3 years ago

Please help I will give brainiest

attashe74 [19]

Answer:

Step-by-step explanation:

55 + x = 90

x = 90 - 55

x = 35

6 0

3 years ago

What is the quotient of 8x10^24 / 2x10^18 in scientific notation?

Vaselesa [24]

4 x 10^6 is the answer to the questioin

7 0

3 years ago

Any suggestions or answers

Studentka2010 [4]

your answer should be c.

A water balloon holds roughly 1.5 oz. of water

and pat has 19 water balloons to fill.

Multiply 1.5 and 19 and you get 28.5, or about 30 oz.

hope i helped!

3 0

4 years ago