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vaieri [72.5K]
3 years ago
5

How many gallons of a 60​% antifreeze solution must be mixed with 70 gallons of 10​% antifreeze to get a mixture that is 50​% ​a

ntifreeze? Use the​ six-step method.
Mathematics
1 answer:
Mashcka [7]3 years ago
7 0
It should be half antifreeze and then half water because you have to mix together 
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Peter deposited $8,975 into a savings account 21 years ago. The account has an interest rate of 3.8% and the balance is currentl
Alexus [3.1K]
The formula for the future value of the account is
  A = P(1 + r/n)^(nt)
where you have
  A = 19909.20
  P = 8975
  r = 0.038
  t = 21

The resulting equation is not one that can be solved by algebraic means, but we can use a graphing calculator to find n. This graph shows us n = 12, so

the interest compounds monthly.

4 0
3 years ago
Ama bought 12 eggs at $1.10 each. If 3 of the eggs got broken and sold the remaining at $1.45 each, calculate the
kkurt [141]

Answer:

1.1%

Step-by-step explanation:

cost price=1.10×12

=$13.20

selling price=(12-3)×1.45

=9×1.45

=$13.05

loss= cost price-selling price

=13.20-13.05

=0.15

loss percent=0.15/13.20×100

1.13636

1.1%

Please rate brainliest

4 0
2 years ago
What is the value of 3-(-2)?<br> A. 0 -5<br> B. -1<br> C. 0_1<br> D. 5
Irina18 [472]
3-(-2)
= 3-(-2)
= 3 + 2
= 5
The Answer is 5
3 0
3 years ago
Nichior compared the slope of the function graphed to the slope of the linear function that has an x-intercept of 2/3 and a y-in
marusya05 [52]

Answer:

The slope of f(x) is 1.5

Step-by-step explanation:

step 1

Find the slope of the linear function that has an x-intercept of 2/3 and a y-intercept of -1

so

we have the points

(2/3,0) and (0,-1)

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

substitute the values

m=\frac{-1-0}{0-2/3}

m=\frac{-1}{-2/3}

m=\frac{3}{2}=1.5

step 2

Find the slope of the function graphed

take the points

(0,-1) and (3,6)  approximately

substitute in the formula

m=\frac{6+1}{3-0}

m=\frac{7}{3}=2.33

step 3

we know that

f(x) represents the function with the smaller slope

The smaller slope is 1.5

therefore

The slope of f(x) is 1.5

4 0
3 years ago
(4a) to the third power divided by (b-2) ; a=2 and b=4
Bingel [31]
(4(2)=8*8*8=512÷6=85.333333
(4-2)=2
8-2=6
8*2=16
8÷2=4
8+2=10
whichever operation it is

7 0
3 years ago
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