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faltersainse [42]
3 years ago
13

Factor: 4x^2 + 12x + 9

Mathematics
1 answer:
san4es73 [151]3 years ago
5 0

Answer: (2x-3)(2x-3)

Step-by-step explanation:

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A bell tolls every 10 minutes. Another bell tolls every 15 minutes. Both bells toll at 6:00 PM. They will toll together again at
MatroZZZ [7]

Answer:

The bells ring again together at 6:30

Step-by-step explanation:

10 minute bell

6  6:10   6:20    6:30  6:40  6:50

15 minute bell

6  6:15   6:30

The bells ring again together at 6:30

6 0
3 years ago
Following Quotient expression
IRINA_888 [86]

Answer:

Second choice

and the last 2 choices

Step-by-step explanation:

32m/16m=2 and our constant is 3 not 2 so not choice A

4m^2/2m=2m so possible 6m/2m=3 so choice B

4m/2m=2 and our constant is 3 not 2 so not choice C

10m/5m=2 same reason as A and C

10m^2/5m=2m possible...15m/5m=3 so choice E

32m^2/16m=2m and 48m/16m=3 so this last choice too

8 0
3 years ago
The density of ethanol is around 0.8g/mL. What is the mass of 20mL of ethanol?
Harman [31]

Answer: 0.7893g//mL

If 20 mL of ethanol (density =0.7893g//mL) is mixed with 40mL water (density = 0.9971g//mL)

Step-by-step explanation:

4 0
3 years ago
If these two shapes are similar, what is the measure of the missing length s?
kodGreya [7K]
I think it’s 5 but i’m not sure lol
6 0
2 years ago
The weight of an object on the moon is
Tanzania [10]

Answer:

40 2/5Ibs or 40\frac{2}{5} lbs

Step-by-step explanation:

Let weight of object on the moon be represented = Wm

weight of object on the Earth = We

In the above question, we are told:

The weight of an object on the moon is

5 of its weight on Earth.

Hence, mathematically, this is represented as:

 5Wm = We

If a moon rock weighs 202 lbs on Earth

5Wm = 202lbs

Wm = 202lbs/5

Wm = 40\frac{2}{5}Ibs

Therefore, the moon rock weighs 40\frac{2}{5}Ibs on the moon.

7 0
3 years ago
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