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schepotkina [342]
2 years ago
5

Challenge Three friends started savings accounts at the same time, with the same initial deposit.

Mathematics
2 answers:
Wittaler [7]2 years ago
5 0

Answer: B

Step-by-step explanation:

ez

TiliK225 [7]2 years ago
4 0

Answer:

B

Step-by-step explanation:

The values given are the change in their account balance. We can identify this by the words "Louise's account shows a total change of," and the other values are also identified as "total change of."  From here, we are able to rank the changes of values from least to greatest.

$28.69 < $56.84 < $89.12

The friend with the least change is the friend whose change in account balance was $28.69.  This is Franklin.  This logic is consistent for the other friends.

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The equation A = x(x-4) describes the area, A, of a rectangular flower garden, where x is the width in feet.
BabaBlast [244]

Answer:

The flower garden width would be 6 ft

Step-by-step explanation:

A = 12 ft^2 = x(x + 4) becomes:

x^2 + 4x - 12 = 0, or (by completing the square) x^2 + 4x + 4 - 4 - 12 = 0

Thus, we have (x + 2)^2 - 16 = 0, or (x + 2)^2 = 16

Taking the square root of both sides yields x + 2 = ±4.

In this context only a positive x value makes sense:  x = 2 + 4  =>  x = 6.

The flower garden width would be 6 ft.  The other dimension would be 6 - 4, or 2, ft.

4 0
3 years ago
Y + y + y + y + ytytyty<br> Collect like terms
Ostrovityanka [42]
This would be 4y + 1ytytyty I believe considering they’re all bunched together in the last bit.
7 0
3 years ago
Stan is making a trail mix that has a combination of peanuts and raisins. The mix is three parts peanuts and one part raisins.Ho
polet [3.4K]
4 cups. 3+1=4 raisins are 1/4 and 1/4 of 16 is 4
8 0
3 years ago
Read 2 more answers
PLEASE HELP!!!!!The volume of a cube is represented by the expression below, where s is the side length of the cube.
barxatty [35]

Answer:

D. 216 cubic centimetres.

Step-by-step explanation:

The answer is D, because 6 to the 3rd power is 216.  therefore, if the side length is 6, the answer is 216.

7 0
3 years ago
The burges are moving across the country .Mr burges leaves 3 hours before mrs.burges. If he averages 50 mph and she averages 70
kirill [66]

10.5 hours

let t be time then distance travelled by both is

Mr Burges ⇔ d = 50t ( distance = speed × time )

Mrs Burges ⇒ d = 70(t - 3)

At the point of overtaking both will have travelled the same distance

equating their distance and solving for t

70(t - 3) = 50t

70t - 210 = 50t ( subtract 50t from both sides )

20t - 210 = 0 ( add 210 to both sides )

20t = 210 ( divide both sides by 20 )

t = 10.5 hours


4 0
3 years ago
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