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inn [45]
3 years ago
11

Can I get an answer please ​

Mathematics
2 answers:
k0ka [10]3 years ago
6 0

Answer:

the second one I'm pretty sure

Step-by-step explanation:

Agata [3.3K]3 years ago
6 0

Answer:

its definitely B

Step-by-step explanation:

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A cone has a diameter of 18 units and height of 8 units. What is its volume?
m_a_m_a [10]

Answer:72

Step-by-step explanation:Given : A cone has a diameter of 18 units and height of 8 units.

We have to determine the volume of the given cone.

We know Volume of cone = 1/3\pi \\r^{2}h

Where r is radius of cone

h is the height  of cone

Given : diameter = 18units  so, radius is half of diameter = 9 units

height = 8 units

Substitute, we have,

Volume of cone = 1/3 n\\ (9^{2} ) 8

Simplify, we have,

Volume of cone = 72\pi

Thus, the volume of given cone is 72π cubic units.

3 0
3 years ago
Simplify -5+4-9r-7+13r
Orlov [11]
The answer i got was
-8+4r
6 0
4 years ago
The sum of three consecutive odd integers is 18 less than five times the middle number fimd the three integers
ycow [4]

Answer:

7, 9, 11

Step-by-step explanation:

x+x+2+x+4=5(x+2)-18

3x+6=5x+10-18

3x+6=5x+-8

3x=5x+-14

-2x=-14

x=7

7 0
3 years ago
Ann invested $61,000 into two accounts. The first account pays an annual interest rate of 5% and the second account pays an annu
sp2606 [1]

Answer:

2nd Account has $19,000

1st Account has $42,000

Step-by-step explanation:

First let's split the money invested.

x is money in account 1

y is money in account 2

1st equation

<u>$61,000=x+y</u>

5%=0.05

7%=0.07

2nd equation

<u>0.05*x+0.07*y=$3,430</u>

x=61,000-y

substitute into 2nd equation

0.05(61,000-y)+0.07y=3430

Solve.

3050-0.05y+0.07y=3430

0.02y=3430-3050

0.02y=380

y=380/0.02

y=$19,000

There are 2(two) ways to solve for the 1st account, but I will do it the long way.

y=61,000-x

substitute into 2nd equation

0.07(61,000-x)+0.05x=3430

Solve.

4270-0.07x+0.05x=3430

-0.02x=3430-4270

-0.02x=-840

x=-840/-0.02

x=$42,000

The short way...

x=61,000-y

x=61,000-19,000

x=$42,000

4 0
3 years ago
4 1/3 x 5 1/3 x 8 1/3 x 6 divided by 2.
Step2247 [10]

Answer:

5,200

Step-by-step explanation:

(4\frac{1}{3} * 5\frac{1}{3} * 8\frac{1}{3}  * 6 )/ 2 = 10,400/2 = 5,200

7 0
3 years ago
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