3 years ago

What goes into 80 and 11

Mathematics

1 answer:

AnnyKZ [126]3 years ago

6 0

The only common factor of 80 and 11 is ' 1 '.

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What is the volume of a hemisphere with a radius of 2.3m round to the nearest tenth of a cubic meter

kodGreya [7K]

Answer: $25.5 m^{3}$

Step-by-step explanation:

If the volume of a sphere is

$V=\frac{4}{3} \pi r^{3}$

Where $r=2.3 m$ is the radius

The volume of a hemisphere is half the volume of the total sphere:

$V_{hemisphere}=\frac{V}{2}=\frac{\frac{4}{3} \pi r^{3}}{2}$

$V_{hemisphere}=\frac{2}{3} \pi r^{3}$

Solving this equation:

$V_{hemisphere}=\frac{2}{3} \pi (2.3 m)^{3}$

Finally:

$V_{hemisphere}=25.48m^{3} \approx 25.5 m^{3}$

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2 years ago

On her math test, Anna is asked to write an inequality that fits the following situation:

Anuta_ua [19.1K]

3x+250-100×2x = 24.5x to 2nd power.

Got this same question earlier in the year.

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3 years ago

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Audrey had $20 and bought gum for $1.10, a soda for $.99, and a bag of chips for $3.98. how much money does she have left?

kherson [118]

20-(1.10+0.99+3.98)
20-6.07
=<span>$</span>13.93

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3 years ago

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His i fal if i succed you cant?

Vera_Pavlovna [14]

Answer: At least I'll live as I believe

No matter what they take from me

They can't take away my dignity

Step-by-step explanation: I got a warning because I dint know what u where talking about :(

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3 years ago

3 sqrt x+4 + 3 sqrt 2x+8=0

lina2011 [118]

$3\sqrt{x+4}+3\sqrt{2x+8}=0$

Subtract $3\sqrt{2x+8}$ from both sides.

$3\sqrt{x+4}= -3\sqrt{2x+8}$

Square and expand both sides.

9x+36=18x+72

Subtract 9x from both sides.

36=9x+72

Subtract 72 from both sides.

-36=9x

Divide both sides by 9.

-4=x

Your answer would be -4.

I hope this helps :)

8 0

3 years ago