3 years ago

Plz help me with this

Mathematics

1 answer:

nekit [7.7K]3 years ago

7 0

Answer:

2.26

Step-by-step explanation:

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Ms. Kalmbach went to dinner with her family. The waitor/waitress was fantastic and she want to tip 20%. How much is the tip if t

vovikov84 [41]

(12.65) is your total answer because 20/100 x63.25 gives you 12.65

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3 years ago

Can you help with this?

g100num [7]

Answer:

c or d

Step-by-step explanation:

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3 years ago

Which expression is equivalent to a^3 • b^3 • a^-3 • b?

Dmitry [639]

The answer is B! b^4. If we examine the expression given, we have a^3 * b^3 * a^-3 * b= a^3/a^3 * b^3 * b = 1 * b^4

Hope this helps! Any questions please feel free to ask!!

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3 0

3 years ago

If there are 12 boys and 60 girls in a room, fill out all of the possible ratios of boys to girls that could be made.

Oksana_A [137]

Answer:

6:30

1:5

4:20

3:15

2:10

Step-by-step explanation:

im pretty sure these are correct

7 0

3 years ago

your friend says that the volume of a sphere with a radius r is four times the volume of a cone with radius r. when is this true

Ierofanga [76]

Volume of a sphere is given by the formula: $V_{\circ}=\frac43\pi r^3$

If we pull the 4 out front we have, $V_{\circ}=4\left(\frac13\pi r^3\right)$ .

Volume of a cone is given by the formula: $V_{\triangle}=\frac{1}{3}\pi r^2\cdot h$

Notice that if the height of the cone is equal to the radius, $V_{\triangle}=\frac13\pi r^2\cdot r$

then it's exactly what we see in our volume formula without the 4!

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3 years ago