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Mathematics

1 answer:

Natali5045456 [20]3 years ago

5 0

Answer:

Step-by-step explanation:

i dont think this is right answer

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Plz answer this asap

rjkz [21]

Answer:

50%

Step-by-step explanation:

6 0

3 years ago

Part A: Factor 3x2y2 − xy2 − 2y2. Show your work. (4 points)

Rudik [331]

A.

$3x^2y^2-xy^2-2y^2=y^2(3x^2-x-2)=y^2(3x^2+2x-3x-2)\\\\=y^2[x(3x+2)-1(3x+2)]=y^2(3x+2)(x-1)$

B.

$x^2+6x+9=x^2+2\cdot x\cdot3+3^2=(x+3)^2=(x+3)(x+3)\\\\\text{Used}\ (a+b)^2=a^2+2ab+b^2$

C.

$x^2-25=x^2-5^2=(x-5)(x+5)\\\\\text{Used}\ a^2-b^2=(a-b)(a+b)$

6 0

3 years ago

Which represents the solution of 5(x+5) < 85

Degger [83]

5x + 25 < 85
5x < 60

x < 12

7 0

3 years ago

When you flip a biased coin the probability of getting a tail is 0.4. How many times would you expect to get tails if you flip t

olya-2409 [2.1K]

Answer:

50 im not 100% sure tho

Step-by-step explanation:

6 0

2 years ago

A human body has about 6x10^2 times as many red blood cells

Setler [38]

Answer:

Humans are complex organisms made up of trillions of cells, each with their own structure and function.

Scientists have come a long way in estimating the number of cells in the average human body. Most recent estimates put the number of cells at around 30 trillion. Written out, that’s 30,000,000,000,000!

These cells all work in harmony to carry out all the basic functions necessary for humans to survive. But it’s not just human cells inside your body. Scientists estimate that the number of bacterial cells in the human body likely exceeds the number of human cells.

7 0

3 years ago

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