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lilavasa [31]
3 years ago
15

Constance is saving money to buy a new bicycle that cost 195.75 she already has $50 saved and plans to save $8 each week how man

y weeks will it take her to save enough money to purchase the bicycle
Mathematics
1 answer:
jonny [76]3 years ago
6 0

19...

50 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 + 8 = 202

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2x + 3y = 26<br> 3x + 5y = 40
vaieri [72.5K]

2x + 3y = 26 -- equation 1

3x + 5y =40 -- equation 2

(Equation 1) * 3

6x + 9y = 78 -- equation 3

(Equation 2) * 2

6x + 10y = 80 -- equation 4

(Equation 4) - (Equation 3)

y = 2 -- equation 5

(Equation 5)'s value of y into (Equation 1)

2x + 3(2) = 26

2x = 20

x = 10

Thus x = 10 and y = 2

Hope that helps!

3 0
2 years ago
Verify that -(x+y)=(-x)+(-y) when x=3/4 and y=2/5
frosja888 [35]

Answer:

note that when opening the bracket the value outside the bracket with be used to multiply all the values inside the bracket... for example -(3/4+2/5) the (-) subtraction sign will be used to multiply all the values in the bracket including the addition sign therefore changing plus to minus

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3 years ago
Daves first three test scores in algebra were 84%, 88%, and 90%. what does he need to earn on the next test so that his average
defon

Answer:

C gives you 90.2

Step-by-step explanation:

84+88+90+100=362

362/4=90.2

8 0
3 years ago
Find the slope between:<br> (4, -1)<br> (-2,4)
Natali5045456 [20]

Answer:

-5

----

6

Step-by-step explanation:

y2-y1

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x2-x1

-1-4 -5

------ = ---

4--2 6

~Anna

6 0
3 years ago
What is the surface area of the right trapezoidal prism? To receive credit, you must show the work used to arrive at a final ans
iris [78.8K]

Answer:

42cm

Step-by-step explanation:

5 0
3 years ago
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