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Soloha48 [4]
3 years ago
9

How many gallons of 80% antifreeze solution must be mixed with 80gallons of 20% antifreeze to get a mixture that is 70% antifree

ze
Mathematics
1 answer:
kvasek [131]3 years ago
5 0
X=360 GALLONS OF 80% ANTIFREEZE IS USED
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How to simplify please help
Luda [366]

Okay, the image is a little tough to see, but I believe it looks something like this:

(5² -10 / 17 - 3 * 4) -1

The first step [remember PEMDAS] is parentheses

Next comes Exponents:

(25 - 10 / 17 - 3 * 4) -1

Then Multiplication:

(25 - 10 / 17 - 12) - 1

Then Division [which we can't do yet since it isn't fully simplified], so we skip to Addition... nothing again, then subtraction.

(15 / 5) - 1

Then we can divide:

(3) - 1

Then subtract!

2

The answer to your problem is 2.

Hope that helps!

4 0
4 years ago
Easy question 100 points again man i am just giving out free points
lbvjy [14]

Answer:

4 scoops

Step-by-step explanation:

The recipe calls for 6 scoops

He is making 2/3 of the recipe

Multiply these together

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6 0
3 years ago
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Convert 10 hours into minutes
Neko [114]

Answer:

600 minutes

Step-by-step explanation:

60 minutes in an hour

60 × 10 is 600

8 0
3 years ago
Please help, I need the answer quick, Thank you
cricket20 [7]

Answer: true

Step-by-step explanation:

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3 years ago
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The area of a trapezium is 35cm2.find its altitude if the bases is 6cm and 8cm​
r-ruslan [8.4K]

Answer: altitude: 5 cm

Explanation:

\sf \dfrac{1}{2}  ( a + b) h = Area \ of \ trapezium

[ <u>a and b are bases, h is the altitude</u> ]

Here given:

  • Area = 35
  • a = 6
  • b = 8
  • h = ?

Solve for altitude:

\sf \rightarrow \sf \dfrac{1}{2}  ( 6 + 8) h = 35  \ \  \  \Rightarrow  \ \ \ \dfrac{1}{2}  ( 14) h = 35 \ \ \ \ \Rightarrow   \ \ \  \ 7 h = 35 \ \ \ \  \Rightarrow \ \   h = \dfrac{35}{7} \   =  \  5

7 0
2 years ago
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