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Ket [755]
3 years ago
11

I’ll mark brainliest !! Please help me with these answers

Mathematics
1 answer:
Galina-37 [17]3 years ago
4 0

Answer:

Problem1= a Problem 2=a

Step-by-step explanation:

Hope this helps

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Your class earned $120.00 Saturday afternoon by washing cars to raise money for the class trip. This is 1/4 of the money needed
Ilya [14]

Answer:

$360.00

(I hope this was helpful)

5 0
2 years ago
Math help please i will mark brainliest!!!!!
mel-nik [20]

Answer:

The second choice is the correct one.

Step-by-step explanation:

20x^4 - 45x^2

GCF is 5x^2, so the factors are:

5x^2( 4x^2 - 9)

Now 4x^2 - 9 is the differencr of 2 squares:

4x^2 - 9 = (2x + 3)(2x - 3)>

4 0
3 years ago
A scuba diver dove from the surface of the ocean to an elevation of −49 9/10 feet at a rate of −9.5 feet per minute. After spend
laila [671]

Answer:

Rate of change  =  4,06 f/min

Step-by-step explanation:

The ascendent length  28 9/10   =  289/ 10

The time for that ascendent maneuver is total time 17 1/8 minutes  - spended time in the elevation 10 minutes, then

17 1/8  =  137/8

137/8  - 10   =  ( 137 - 80 ) /8   =  57/8 minutes

The rate of change in the diver´s elevation is

289 / 10 / 57/8

Rate of change  =  289*8/ 57*10

Rate of change  =  2312 / 570 ft/min

Rate of change  =  4,06 f/min

7 0
3 years ago
With two number cubes, what is the probability of rolling a sum of a 9?
iogann1982 [59]
<span>7 out of 11 is the probability of rolling a 9</span>
6 0
3 years ago
How am I going to estimate that if I don't know the size of the door? Heeeelp please
wolverine [178]

C) 5. Doors are about 6 feet and 9.4m is roughly the equivalent of 30 feet. So 6 x 5 = 30

3 0
2 years ago
Read 2 more answers
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