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suter [353]
2 years ago
12

Jacque has 3 L of a 50% antifreeze mixture. How much 75% mixture should be added to get a mixture that is 60% antifreeze?

Mathematics
1 answer:
Diano4ka-milaya [45]2 years ago
8 0

You need to add 2 L of the  75% mixture to get a mixture that is 60% antifreeze.

<h3>What is an antifreeze?</h3>

Anti  freeze is a substance that is added in order to prevent a liquid from freezing. An antifreeze is usually an ionic substances that is used during the winter to prevent the freezing of a liquid.

Now;

Forming the equation;

0.75*x+0.5*3=0.6(3+x)

Hence;

0.75*x+1.5=1.8+0.6x

Therefore;

0.75x-0.6x=1.8-1.5

We obtain;

0.15x=0.3

Then;

x=2L

Learn more about antifreeze:brainly.com/question/14789254

#SPJ1

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Avary wanted to buy a gold necklace that cost $578. She pain an initial amount of $128 and agreed to pay the rest in monthly ins
serg [7]

Answer:

75 each month

Step-by-step explanation:

578-128=450

450/6=75

7 0
2 years ago
Rewrite the following expression using the properties of logarithms: log2z + 2log2z + 4log9y + 12log9x - 2log2y
Mashcka [7]

The rewritten form of the expression given in the task content in which case, the properties of the logarithm are used is; log2(z³/y²) + log9(y⁴x¹²).

<h3>What is the equivalent expression to the logarithmic expression given in the task content?</h3>

It follows from the task content that the logarithmic expression given in the task content is;

log2z + 2log2z + 4log9y + 12log9x - 2log2y

In which case, all terms are to their respective logarithmic bases.

Hence, it follows that; we have;

log2z³ - log2y² + log9y⁴ + log9x¹²

= log2(z³/y²) + log9(y⁴x¹²)

Read more on logarithm laws;

brainly.com/question/10208274

#SPJ1

4 0
2 years ago
Pls solve for # 5-8 <br> Thanks
MatroZZZ [7]
2x - 3 = y
-3x + 5 = y
-4/5x -2 =y
1/2x + 9 = y
7 0
3 years ago
Can you help me solve this problem
Fiesta28 [93]
112 <span>≥ b+128

First: You would subtract 128 on both sides of your sign
You would get: -16</span><span>≥ b <That is your answer

HOPE THIS HELPS! ^_^</span>
7 0
3 years ago
Read 2 more answers
Please help hurryyyyyyy
zysi [14]

Answer:

Hey there!

40 is 25% of 120.

We can see that 30 is 25% of 120, because 0.25(120)=30.

Hope this helps :)

4 0
3 years ago
Read 2 more answers
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