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Over [174]
3 years ago
8

What goes into 76 and 160?

Mathematics
2 answers:
Ivan3 years ago
8 0
<u>76 / 2 = 38</u>
<u>160 / 2 = 80</u>

<u>76 / 4 = 19</u>
<u>160 / 4 = 40</u>

<u><em>2 and 4 goes into 76 and 160</em></u>.
7nadin3 [17]3 years ago
7 0
Factors of 76: 1  2  4  19  38  76
Factors of 160: <span>1 2 4 5 8 10 16 20 32 40 80 160
Any number that you see in both lists is a factor of both of them.</span>
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A chemist is mixing 45% salt solution with a 30% salt solution to make 60 L of a new solution that will contain 40% salt. How mu
Alinara [238K]

Answer:

30 ml of 45% salt solution and 20 ml of 30% salt solution.

Step-by-step explanation:

Let x be the amount of 45% salt solution and y be the amount of 30% salt solution

the two equation will be:

x+y=60 -- A

0.45x+0.3y=0.4(60) -- B

Solve by substitution

Rewrite Equation A

x+y=60

x=60-y --- C

Substitute C into B

0.45(60-y)+0.3y=24

 27-0.45y+0.3y=24

                -0.15y=-3

                        y=20

<u>Substitute</u> the y=20 into equation C

x=60-20

x=30

Therefore, there was 30 ml of 45% salt solution and 20 ml of 30% salt solution.

3 0
3 years ago
A man and a woman agree to meet at a certain location about 12:30 p.m. if the man arrives at a time uniformly distributed betwee
Svetllana [295]
We define the spaces of the man and the woman's independent arrivals.
In this case, 
f(man) = 1 (45-15) = 1/30
f(woman)=1/(60-0)= 1/60
f(man)*f(woman) = 1/1800

Probability = P 
P (man-woman)< 5 = 1/1800* integral of (y ) with limits of (x+5) and (x-5) from 45 to 15. 
P (man-woman) <5 = 1/6
8 0
3 years ago
Ways the answer to 12x-3y=3 and y=4x-1
Ede4ka [16]
Well first you want to be trying to solve for the same variable in both problems. Lets solve for Y. 
This means we must make both equations say " Y="

first we subtract 12x from both sides of "12x-3y=3"  which leaves us with
-3y=3-12x and y=4x-1.

you are basically going to merge the 2 problems by adding "1" to both problems and then subtracting "4x" from both as well as subtracting "y" from both. This gets rid of a variable in one problem and essentially puts in to the other in the process.

This leaves you with -4y=4-16x
Can you solve from there?
4 0
4 years ago
To get to a job site you must travel 45 kilometer.how many miles will you travel?round your answer to the nearest hundredth
Butoxors [25]
1 km=0.62 mi
45 km- x mi

x=45*0.621*1=27.95

Answer <span>B)27.96miles</span>
3 0
4 years ago
Read 2 more answers
Solve each system using substitution. <br> -x^2-x+19=y<br> X=y+80
Softa [21]
sub <span> </span> since -x^2+x+19=y <span> </span> x=-x^2+x+19+80 <span> </span> x=-x^2+x+99 <span> </span> 0=-x^2+99 <span> </span> x^2=99 x=3√11

x=y+80
3√11=y+80
minus 80 both sides
-80+3√11=y

x=3√11
y=-80+3√11


solution
(x,y)
(3√11,-80+3√11)
8 0
3 years ago
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