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GrogVix [38]
4 years ago
14

Simplify (x + 2) squared over x + 2

Mathematics
2 answers:
Mazyrski [523]4 years ago
4 0
\frac{(x+2)^{2} }{x+2} =  \frac{x^{2} +4x+4 }{x+2} =  \frac{(x+2)(x+2)}{x+2} = x+2

djyliett [7]4 years ago
3 0
(x+2)^2 over x+2
x^2+4 \x+2
x+2









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Earth's radius is approximately 6400 km. What is the surface area & volume of the earth?
Tamiku [17]

Answer:

SA=514,457,600\ km^{2}

V=1,097,509,546,667\ km^{3}

Step-by-step explanation:

step 1

Find the surface area

we know that

the surface area of a sphere is equal to

SA=4\pi r^{2}

substitute

SA=4 \pi (6,400)^{2}

SA=163,840,000 \pi\ km^{2}

substitute the approximate value of pi (3.14)

SA=(3.14) (163,840,000)

SA=514,457,600\ km^{2}

step 2

Find the volume

The volume is equal to

V=(4/3)\pi r^{3}

substitute

V=(4/3)(3.14) (6,400)^{3}

V=1,097,509,546,667\ km^{3}

8 0
3 years ago
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Jeff finds some bugs. He finds 10 fewer grasshoppers than crickets. He finds 5 fewer crickets than ladybugs. If Jeff finds 5 gra
AlexFokin [52]
If Jeff has 5 grasshoppers, then he would have 15 crickets because x(grasshoppers)+10=y(crickets), and y(crickets)+5=z(ladybugs), which would leave Jeff with 20 ladybugs.
3 0
3 years ago
Mark lost 3.5 kilograms after a week of exercise. One kilogram is equal to approximately 2.2 pounds. Which measurement is closes
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He lost 7.7 pounds. :)
8 0
3 years ago
Which out of these numbers has the same absolute value as one another and please help I don't really understand absolute value
Mariulka [41]

Answer:

Step-by-step explanation:Absolute value is a number's distance away from zero. For example, on a number line, -9 is 9 spaces away from zero. So, the absolut value is 9. Similarly, the number 9 is also 9 spaces from zero, so the absolute value would be 9. 9 and -9 both have an absolute value of 9. I hope this is helpful!


8 0
3 years ago
Read 2 more answers
If c(x) = 4x – 2 and d(x) = x^2+ 5x, what is (c circle d) (x)?
Xelga [282]

Answer:

4x² + 20x - 2

Step-by-step explanation:

To evaluate (c ○ d)(x), substitute x = d(x) into c(x)

c(x² + 5x)

= 4(x² + 5x) - 2

= 4x² + 20x - 2

7 0
3 years ago
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