What is the value of 8 in 8.644.58

Answers

Answer 1
Answer: So for the first 8, we need to find the value. The way I would find the value would be to find it's place value. So I know that the 8 is in the millionths period. So the value of the eight would be in the millionths. So I think it would be 8,000,000. So that would be the answer. The 8's value is 8,000,000 because of it being in the millionths period.

Hope that helped! :D

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Isabelle is mixing red paint with blue paint to make purple paint. She adds 3/10 of a fluid ounce of red to 11/15 of a fluid ounce of blue to make1 1/30 fluid ounces of purple. How many fluid ounces of red paint will she need to make 3 fluid ounces of purple paint?A. 2/5
fluid ounce
B. 11/20
fluid ounce
C. 27/31
fluid ounce
D. 1 13/50
fluid ounces

Answers

Answer: C. 27/31 fluid ounce

Step-by-step explanation:

First, let's turn the mixed number into a fraction:

1(1)/(30)=((1*30)+1)/(30) =(31)/(30)

Then, to solve the problem we can use a simple rule of three:

31/30 ----------3/10

  3  ----------- x

This can be read as: If to make 31/30 fluid ounces of purple you need 3/10 fluid ounces of red, then to make 3 fluid ounces of purple how many fluid ounces of red will you need?

x=(3*(3)/(10) )/((31)/(30) ) =((9)/(10) )/((31)/(30) )=(9*30)/(10*31)=(270)/(310)=(27)/(31)

So, to make 3 fluid ounces of purple paint, Isabelle will need 27/31 fluid ounces of red paint.

the answer b-11/20 fluid ounce

What is y+6x=11; 3x+2y=-2?

Answers

The answer is y=5 and x=83.


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y+6x=11; 3x+2y=-26x+y+6x=11+6x(Add -6x to both sides)
y=6x+11
Substitute6x+11foryin3x+2y=−2
3x+2y=−2
3x+2(6x+11)=2
9x+22=−2(Simplify both sides of the equation)
9x+22+−22=−2+−22(Add -22 to both sides)
9x=24
9x/−9=−24/−9(Divide both sides by -9)
x=8/3

12 divided by 0.2 without a calculator

Answers

12 divided by 0.2 without a calculator is 60.

Mrs. Stephens drove through a total of 36 intersections on her way home. At 4 of every 16 intersections, she had to stop for a red light before she could drive through. At how many intersections did she have to stop for a red light?Pls Show Your Work

Answers

total intersections=36
since out of every 16 intersections, 4 had a red light. this means out of 36, 8 had red lights. So, she had to stop at 8 intersections.
mutiply 4 and 16 to get 60 then subtract 36 and 60

The relation {(4,10), (1,9), (5,10), (1,10)} is a function

Answers

it is not a function

for functions to work, there can only be one y value per x value aka if you see a set like this:  

{(4,2), (6,5), (10,1), (3,6), (6,7)}  

It is not a function because there are two y values (5 and 7) for one x value (6).

$5 is what percent of $20

Answers

$5 is 25% of of $20.
Because we know that $10 is 50% of $20 ( 10 is a half of 20 ) and $5 is 1/4 of $20. 
We also that 1/4 is 25% so,
$5 is 25%