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tiny-mole [99]
2 years ago
8

Help ASAP!

Mathematics
2 answers:
Nataly_w [17]2 years ago
7 0

Answer:

y =-0.7x²+5.4x+6

Step-by-step explanation:

Advocard [28]2 years ago
3 0

Answer: Hi! This was exact question was asked on here previously. Here is the link: brainly.com/question/27668098

Step-by-step explanation:

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Paul bought a discount card for the bus. The card allows him to buy daily bus passes for $1.70. After one month, Paul bought 12
sp2606 [1]
The answer is 20.4 you just multiply 1.70 by 12
6 0
3 years ago
=1/3(3w - 12)= 1/6( 24-6w)
Taya2010 [7]
1w-4= 4-1w
+1w +1w
——————
2w-4=4
+4 +4
—————
2w=8
———
2. 2



w= 4
3 0
3 years ago
Read 2 more answers
jason mixed 8ml of a salt solution with 11ml of a 47% salt solution to make a 43%salt solution. find the percent salt concentrat
choli [55]

Let x% be the salt concentration of first solution.

Then in 8ml, amount of salt = \frac{8x}{100}

Given that to this 8ml solution, 11ml solution of a 47% salt solution is mixed.

amount of salt in 11ml of 47% salt solution is \frac{11*47}{100} = \frac{517}{100}

So, total amount of salt in new mixture = \frac{8x}{100} +\frac{517}{100} = \frac{8x+517}{100}

But given that this new solution is a 43% salt solution.

Hence amount of salt in new mixture of (8+11)=19ml solution of 43% salt solution is \frac{19*43}{100} = \frac{817}{100}

Hence \frac{8x+517}{100} = \frac{817}{100}

            8x+517 = 817

             8x=817-517 = 300

          x= 300/8 = 37.5

Hence the salt concentration in the first solution is 37.5%

8 0
3 years ago
Solve for x, if. 3(x-8)-5=9(x+2)+1 the answer is 7.166 but i don't know how they got it
djverab [1.8K]
The answer and workings are in the document below. Please open it up in a new window to see it in full.

7 0
3 years ago
Read 2 more answers
Michelle records the value of one euro in U.S dollars each day for her social studies project.
natka813 [3]

Answer:

On Monday the value was 1.448, Tuesday it was 1.443, Wednesday it was 1.452, and Thursday it was 1.458.

Step-by-step explanation:

3 0
3 years ago
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