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Vladimir [108]
3 years ago
13

Kate is saving to take a SAT prep course that costs $350. So far, she has saved $180, and she adds &17 to her savings each w

eek. How many more weeks just she save to be able to afford the course?
Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
4 0

The Answer

10 Weeks

Step-by-step explanation:

180+170 = 350

17x10 = 170

Would take 10 weeks of saving 17 dollars a week to become equal to 350.

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For what values are 2x^2=10x
BARSIC [14]

\\ \sf\longmapsto 2x^2=10x

  • Take to to right

\\ \sf\longmapsto x^2=\dfrac{10x}{2}

\\ \sf\longmapsto x^2=5x

  • Cancel a x from both sides

\\ \sf\longmapsto x=5

8 0
3 years ago
What is 70% percent of 20?
Alchen [17]

Answer:

14

Step-by-step explanation:

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Calculate 40cm as a percentage of 3.5m​
iragen [17]

Answer:

875%

Step-by-step explanation:

  1. 40cm÷100=.4m
  2. (3.5÷.4)*100%=
  3. (35÷4)*100%=
  4. 8.75*100%=
  5. 875%
  6. so 3.5m has 875%of 40cm

which means 875%*40cm is equal to 3.5

4 0
4 years ago
If y varies inversely as x and the constant of proportionality is k=5, what is y when x=2?
wolverine [178]

Answer:

y alpha 1 /x

y = k / x

( y = ? , x = 2, k = 5 )

y = 5 /2

y = 2.5

3 0
3 years ago
Problem 1<br> 3x + y = –14<br> -2x-y=9
Radda [10]

Answer:

x = -5 , y = 1

Step-by-step explanation:

Solve the following system:

{3 x + y = -14 | (equation 1)

-2 x - y = 9 | (equation 2)

Add 2/3 × (equation 1) to equation 2:

{3 x + y = -14 | (equation 1)

0 x - y/3 = (-1)/3 | (equation 2)

Multiply equation 2 by -3:

{3 x + y = -14 | (equation 1)

0 x+y = 1 | (equation 2)

Subtract equation 2 from equation 1:

{3 x+0 y = -15 | (equation 1)

0 x+y = 1 | (equation 2)

Divide equation 1 by 3:

{x+0 y = -5 | (equation 1)

0 x+y = 1 | (equation 2)

Collect results:

Answer: {x = -5 , y = 1

3 0
4 years ago
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