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3 years ago

Please help me as soon as possible

Mathematics

1 answer:

Vikentia [17]3 years ago

8 0

The formula of the Lateral Area of a cylinder is:
Lateral Area = 2 $\pi$ rh
=2 $\pi$ (12)(60) (altitude is 5×radius)
(5×12=60)
=4523.9 mm² ≈ 4524 m²

Answer is D. 4524 m²

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24 pencils cost $1.20, how much will one pencil cost?

Serggg [28]

Answer:

1) $0.05

2) $5.00

Step-by-step explanation:

1.2/24 = 0.05

22.5/4.5 = 5

7 0

3 years ago

Help me with this please.

Ira Lisetskai [31]

Answer:

JL = 78

Step-by-step explanation:

MN is a midsegment. Based on the midsegment theorem,

MN = ½(JL)

MN = 5x - 16

JL = 4x + 34

Plug in the value

5x - 16 = ½(4x + 34)

5x - 16 = ½*4x + ½*34

5x - 16 = 2x + 17

Collect like terms

5x - 2x = 16 + 17

3x = 33

Divide both sides by 3

x = 11

✔️JL = 4x + 34

Plug in the value of x

JL = 4(11) + 34

JL = 44 + 34

JL = 78

5 0

3 years ago

Which best describes the error in finding the simple interest earned on $500 at 6% for 18 months?

valentinak56 [21]

$540.00 is the interest
Hope I helped
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My Username: Ashlynnicole02

7 0

3 years ago

Scientists have discovered a vaccine for a debilitating disease. This year there were 570,000 reported new cases of the disease

Ket [755]

Answer: There are approximately 853827 new cases in 6 years.

Step-by-step explanation:

Since we have given that

Initial population = 570000

Rate at which population decreases is given by

$\frac{2}{3}$

Now,

First year =570000

Second year is given by

$570000\times (\frac{1}{3})$

Third year is given by

$570000(\frac{1}{3})^2$

so, there is common ratio ,

it becomes geometric progression, as there is exponential decline.

so,

$570000,570000\times \frac{1}{3},570000\times( \frac{1}{3})^2,......,570000\times (\frac{1}{3})^6$

a=570000

common ratio is given by

$r=\frac{a_2}{a_1}=\frac{1}{3}$

number of terms = 6

Sum of terms will be given by

$S_n=\frac{a(1-r^n)}{(1-r)}$

We'll put this value in this formula,

$S_6=\frac{570000(1-(\frac{1}{3})^6}{(1-\frac{1}{3})}\\\\=853827.16$

So, there are approximately 853827 new cases in 6 years.

6 0

3 years ago

One book has 394 pages. Another book has 102 pages more than the first. How many pages are in both books?

Sedbober [7]

Answer:

Step-by-step explanation:

Because i said so

6 0

3 years ago

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