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tangare [24]
3 years ago
9

Help i did the first part and id.k the rest.....

Mathematics
1 answer:
34kurt3 years ago
6 0

Answer:

w=6x+1.25

Step-by-step explanation:

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A radiator contains 15 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure anti
Annette [7]
<span>%Antifreeze=<span><span>V<span>Antifreeze</span></span><span>V<span>Fluid</span></span></span></span> <span><span>V<span>Fluid</span></span>=<span><span>V<span>Antifreeze</span></span><span>%Antifreeze</span></span></span> <span><span>V<span>Antifreeze</span></span>=<span>V<span>fluid</span></span>∗%Antifreeze</span> I want to find the amount of antifreeze in a 15 quart solution with 30% antifreeze <span><span>V<span>Antifreeze</span></span>=15∗0.30</span> =18/4 quarts of antifreeze Similarly, I want to find the amount of antifreeze in a 15 quart solution with 35% antifreeze first. <span><span>V<span>Antifreeze</span></span>=15∗0.35</span> = 21/4 quarts of antifreeze


<span>the difference between 21/4 and 18/4 is 3/4 quarts, which is the amount of pure antifreeze I've added in.
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SO the V_fluid I replaced with 3/4 quarts of antifreeze is (3/4)/ 0.35</span>


5 0
3 years ago
Please help!
Musya8 [376]

Answer:

See the attachment please.

Step-by-step explanation:

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3 years ago
Lisa set her watch 20 seconds behind, and it falls behind another 1 second every day. How many days has it been since Lisa last
DENIUS [597]

Answer:

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Step-by-step explanation:

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7 0
2 years ago
Given the equation 2x = 4y - 3 write another linear equation that would create a system that has the number of solutions listed
Harman [31]

Answer:

A. 2x-4y=\pi
B.  x=1

C. 2x-4y=3

Step-by-step explanation:

A. 2x-4y=\pi. Any number could work as long as the coefficients for x and y stays the same. You are basically imposing that the quantity 2x-4y (if you bring 4y to the LHS) is equal to both -3 AND \pi, or any number you like. But yesterday was 3/14 so let's pick a fun number!

B.  x=1 Or y=1. Or as long as you don't pick the same ratios of x and y you're golden. But x=1 is the easiest that comes to mind

C. 2x-4y=3. To get infinitely many solutions you just have to rewrite the equation again. Maybe move things around if you prefer, or multiply everything by a number you lile.

7 0
2 years ago
What Is the product of the polynomials below? (7x^2+2x+4)(2x+5)
Gnoma [55]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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