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True [87]
3 years ago
8

Plz help will give what I got (45 points)

Mathematics
1 answer:
Oksana_A [137]3 years ago
5 0

Answer:

ok i think i can answer

Step-by-step explanation:

did a picture come with this tho?

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Hellppp pleaseeee
stiks02 [169]

Answer:

Volume of cylinder is 953.77 cm³ and volume in term of π is  303.75π

Step-by-step explanation:

Given: Diameter is 9 cm

           Height is 15 cm.

First lets find out the radius of cylinder.

As given, diameter is 9 cm

we know, radius= \frac{diameter}{2}

Radius= \frac{9}{2} = 4.5\ cm

Now, finding the volume of the cylinder.

Formula; Volume of cylinder= \pi r^{2} h

where r is radius and h is height of cylinder.

⇒ Volume of cylinder= \pi \times 4.5^{2} \times 15

⇒Volume of cylinder= \pi \times 20.25\times 15

⇒Volume of cylinder= 303.75\pi

Taking π = 3.14

⇒ Volume of cylinder= 303.75\times 3.14

⇒ Volume of cylinder= 953.77 cm³

Hence, volume of cylinder is 953.77 cm³ and volume in term of π is  303.75π.

5 0
3 years ago
Target sells 24 bottles of water for $3, and 36 bottles of water for $4. Which is the better buy and by how much?
pishuonlain [190]

Answer:

D) 36 bottles for $4 by 1.4¢ per bottle

Step-by-step explanation:

We calculate bottle per dollar for each option.

#A

Bottles/Dollar=\frac{24\ bottles}{\$3}=8 bottles/dollar

#Both B and C charges the same as A and will have bottle/dollar ration of 8:1

#D

=\frac{36}{4}\\\\=9

Hence, D is the better buy  as it gives you 9bottles per $1 spent as compared to the 8 bottles per $1 spent as in the other 3 options.

6 0
3 years ago
the school received a shipment of 45 newspaper . the newspapers will be shared equally by 5 classes . How many newspapers will e
xeze [42]
- - Solve:

If the newspapers needed to be divided evenly across 5 classes, divide by 5.

\frac{45}{5} =9

Answer: 9 
8 0
3 years ago
A circle has a radius of 15 inches. What is the area, in square inches, of this circle? (The area of a circle with a radius of r
Natali [406]

Answer:

225\pi

Step-by-step explanation:

15×15=225=r^2

4 0
3 years ago
Please help! Will give brainliest if you do both. Only 9 and 12
guajiro [1.7K]

Answer:

Answers below

Step-by-step explanation:

9a. Meg needs to find the Part because she knows the whole is 16 and the percent is 50%

9b. Steve needs to find the percent because he knows the part is 7 and the whole is 35.

12. Find 4% of 40 for the sales tax

0.04*40=1.6

Therefore the sales tax is $1.6

6 0
3 years ago
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