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Makovka662 [10]
2 years ago
5

Which expression is equivalent to 16 - 4x^2?

Mathematics
1 answer:
melamori03 [73]2 years ago
8 0

Answer:

4(2 - x)(2 + x)

Step-by-step explanation:

16 - 4x² ← factor out 4 from each term

= 4(4 - x²) ← difference of 2 squares

= 4(2 - x)(2 + x) ← in factored form

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The temperature of the ocean water dropped 4 degrees
makvit [3.9K]

Answer:

The temperature dropped 48 degrees in 12 hours.

Step-by-step explanation:

4×12=48

5 0
3 years ago
Stacy is measuring milk to make pancake batter. The recipe calls for \dfrac{3}{4} 4 3 ​ start fraction, 3, divided by, 4, end fr
eimsori [14]

Answer:

1/2 cup of milk

Step-by-step explanation:

Given

Total cup of milk needed = 3/4 cup of milk

Amount she has = 1/4 cup of milk

The amount of milk she needed = Total - Amount she has

Amount she needed = 3/4 - 1/4

Amount she needed = (3-1)/4

Amount she needed = 2/4

Amount she needed = 1/2

Hence she needs 1/2 cup of milk more

7 0
3 years ago
Charlene wants to earn at least $600 this month in commission. What is the minimum amount she needs to sell to earn $600 if she
nika2105 [10]

Answer:

She will need to earn a little more than $1333 that week.

Step-by-step explanation:

600/0.45 = 1333.333(repeating) rounded to nearest dollar is 1333

Check by doing 1333 x 0.45 (comes out to be 599.85)

3 0
2 years ago
The total surface area of a cube is 294cm^2.<br><br>Work out the volume of the cube.​
djverab [1.8K]

Answer:

343 cm ^3

Step-by-step explanation:

A cube has 6 squares of equal sizes. 294/6 = 49

The area of one square is 49

Since the area is the length squared, the square root of 49 is 7.

Volume of a cube is area times height. 49 x 7 = 343 cm^3

4 0
2 years ago
Read 2 more answers
Anonymous 3 years ago
scZoUnD [109]
I'm in 7th grade and I need help with my math homework
8 0
3 years ago
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