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3 years ago

225.286 rounded to hundredths on a numberline

2 answers:

8 0

Since the number is 225.286 and you want the hundredths to be rounded, you need to look at the thousandth place. I'm not able to do a number line but it will equal 225.29 because the thousandth is 6, which is above 5

Schach [20]3 years ago

3 0

Well if rounding it to the tenths is 230 then you would round back down to 200

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A store manager predicts that 100 hats will be sold if each hat costs $12. The manager predicts that 4 less hats will be sond fo

vampirchik [111]

Answer:

100-60=40

40/4=10

10*$1=$10

$12+$10=$22

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2 years ago

Find ten rational numbers between -2/5 and 1/2

Karo-lina-s [1.5K]

Answer:

Step-by-step explanation:

-1/5

-1/7

-1/8

-1/9

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1/6

1/5

1/4

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3 years ago

Describe the effect on the area of a circle when the radius is doubled

galina1969 [7]

Answer:

The original area would be multiplied by the scale factor of 2² to get the new area.

Step-by-step explanation:

If you double the radius lets so lets do an example

(a=πr²) so

if x is the radius the area would be x²π

double the radius so 2x then the area would be

(2x)²π so 4x²π

4x²π/x²π= 4 so its 4 times greater or

D the last answer or The original area would be multiplied by the scale factor of 2² to get the new area.

5 0

3 years ago

Find the first, fourth, and eighth terms of the sequence. A(n) = −3 ∙ 2^x − 1

Sedbober [7]

$\bf A(n)=-3\cdot 2^{n-1}\\\\
-------------------------------\\\\
\textit{first one}\qquad A(1)=-3\cdot 2^{1-1}
\\\\\\
\textit{fourth one}\qquad A(4)=-3\cdot 2^{4-1}
\\\\\\
\textit{eighth one}\qquad A(8)=-3\cdot 2^{8-1}$

8 0

3 years ago

Help me real answers

Slav-nsk [51]

That is a vertical stretch by 2

8 0

3 years ago