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Anestetic [448]
2 years ago
9

Alvin's age is two times Elga's age. The sum of their ages is 24. What is Elga's age?

Mathematics
2 answers:
gulaghasi [49]2 years ago
8 0
Alvin is 16 and Elga is 8.

16 is two times bigger than 8 and 16+8= 24
almond37 [142]2 years ago
3 0

48

the answer is 48 check the photo

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Ainat [17]

Answer:

It expands

Step-by-step explanation:

The energy put into it causes it to move faster and expand

3 0
3 years ago
5 x 20 x a³ = 72900 what does a equal
Basile [38]

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3 0
3 years ago
Factor 65x^2+212x-133 completely
worty [1.4K]
65x^2 + 212x - 133
you have to use the quadratic formula 
x=( -b +/- √b²-4ac) / 2a
a is 65
b is 212
c is 133
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4 0
3 years ago
What is the remainder when (3x4 + 2x3 − x2 + 2x − 24) ÷ (x + 2)?
ziro4ka [17]

Answer:

=38+x

Step-by-step explanation:

18-2+2x-24÷(x+2) =

16+2x-24-24÷(x+2)

24+16+2x

40+x+2

38+x

5 0
3 years ago
The graph shows the distance, y, in miles, of a moving motorboat from an island for a certain amount of time, x, in hours:
lisabon 2012 [21]

Answer:  The speed of the motorboat is 70 miles per hour

Step-by-step explanation:  Subtract the initial distance, 35, from the distance at any given time, then divide the remainder by the hours.

For example, at 2 hours, the distance shown on the graph is 175 miles

Subtract: 175 -35 = 140.  Then divide 140/2 = 70

At 4 hours, the distance shown is 315 miles.

Subtract: 315 - 35 = 280. Then divide  280/4 = 70

70 mph is the speed.

7 0
3 years ago
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