2 years ago

I need help with this question

Mathematics

2 answers:

Nataliya [291]2 years ago

7 0

Answer: 62.8in

Step-by-step explanation:

The formula for circumference is C=2πr. Put the values of 10 in for r and 3.14 in for pi, and you get an equation that looks like C=2(3.14)(10). Solving this equation gets you 62.8.

nordsb [41]2 years ago

7 0

Answer:

62.8

Step-by-step explanation:

Circumference=2rpi

c=2*10*pi

c=20*pi

c=20*3.14

c=62.8

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3,800 = 3.8 x 100<br><br>what is the missing exponent or factor

iris [78.8K]

Answer:

3,800 = 38 * 100

Step-by-step explanation:

3.8 * 100

= 380

38 * 100

= 3,800

There is no missing exponent or factor, it's just 3.8 needs to be multiplied by 10.

6 0

3 years ago

HELP PLEASE

Maurinko [17]

$\bf \cfrac{x^2-x-42}{x-6}\implies \cfrac{(x+7)\underline{(x-6)}}{\underline{x-6}}\implies x+7$

so.. the left-hand-side does indeed simplify to x+7, so the equation does check out.

however, notice something, for the equation of x+7, when x = 6, we get (6) + 7 which is 13.

BUT for the rational, we get $\bf \cfrac{x^2-x-42}{x-6}\qquad \boxed{x=6}\implies \cfrac{x^2-x-42}{\boxed{6}-6}\implies \stackrel{und efined}{\cfrac{x^2-x-42}{0}}$

so, even though the siimplification is correct, the rational or original expression is constrained in its domain.

6 0

3 years ago

If m<7=100, find m<6

PIT_PIT [208]

the answer is m<6=80

5 0

3 years ago

What us 1/10 of 3,000

s344n2d4d5 [400]

1/10 of 3,000 is 300. Just divide by 10 to get the answer

5 0

3 years ago