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vlabodo [156]
3 years ago
10

A grandmother says her grandson is two years older than her granddaughter and that together, they are at least 12 years old. How

old are her grandson and granddaughter?
Mathematics
1 answer:
ivanzaharov [21]3 years ago
4 0

The grandson is at least 7 years old and the granddaughter is at least 5 years old.

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Jenny made $221 for 13 hours of work. At the same rate, how many hours would she have to work to make $85?​
Sever21 [200]

Answer: Jenny would have to work 5 hours to get $85

Step-by-step explanation:

Jenny makes $17 an hour (221/13 = 17) and 85/17 is 5

5 0
2 years ago
Graph a line that is perpendicular to the line y=-3x + 2 and has a y-intercept of -6.
Fiesta28 [93]

Answer:

Step-by-step explanation:

the line's equation would be

y = 1/3x -6

so just graph a line using this equation

hope this helps <3

6 0
3 years ago
What is y = -3(x – 7)(x + 3) in standard form?
xxTIMURxx [149]

Answer:

y=-3x^2+12x+63

Step-by-step explanation:

y=-3(x-7)(x+3)

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4 0
3 years ago
The surface area of a sphere with a diameter of 12 units is:
svetlana [45]

Answer:

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r = radius

radius = diameter /2

= 12/2

= 6units

Surface area = 4π×6²

= 144π

= 452.4 square units

Hope this helps.

4 0
3 years ago
??!?!?!?!?!!?!?!?!!?!!!?!!!!?
Nikitich [7]

Answer:

The third option, a rational number

like 1/5 + 2.5 is still rational (but neither irrational nor whole/an integer)

it would be 0.2 + 2.5 = 2.7 btw

or

1/5 + 5/2

= 2/10 + 25/10

= 27/10

6 0
3 years ago
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