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4 years ago

What will the answer be?

Mathematics

1 answer:

Readme [11.4K]4 years ago

8 0

To simplify:

Subtract 3 from 8 = 5
Reduce 2/4 = 1 / 2

And the answer is:
1 /2 d^5

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A cylindrical water tank has a diameter of 9 feet and a height of 16 feet. Each can of paint covers 50 square feet. What is the

iVinArrow [24]

Answer:

12 cans

Step-by-step explanation:

The area of the outside of the tank:

radio = half diameter = 4.5 ft.

base: $A_{b} =\pi r^{2} =\pi (4.5)^{2} =20.25\pi$

Top: = base $=20.25\pi$

cylinder: $2\pi rh=2\pi (4.5)(16)=144\pi$

Total area to paint: $144\pi +2(20.25\pi) =184.5\pi =579.6sq.ft.$

Number of cans of paint:

$c=\frac{579.6}{50} =11.59=12$

Hope this helps

7 0

2 years ago

40 miles x 25 min.=?mph

Natalka [10]

$\bf \stackrel{miles}{40}~in~\stackrel{minutes}{25}\implies \cfrac{40~miles}{25~\underline{minutes}}\cdot \cfrac{60~\underline{minutes}}{hr}\implies \cfrac{40\cdot 60~miles}{25~hr}
\\\\\\
\cfrac{2400}{25}\cfrac{miles}{hr}\implies 96\frac{miles}{hr}$

4 0

3 years ago

Find the compound interest on 800 at 5% per annum for 2 years.

Ludmilka [50]

Answer:

$C = 82$

Step-by-step explanation:

Given

$R = 5\%$ -- Rate

$P = 800$ -- Principal

$N = 2$ -- Time

Required

Determine the compound interest

First, we calculate the Amount (A)

$A = P(1 + R)^N$

$A = 800*(1 + 5\%)^2$

Express % as decimal

$A = 800*(1 + 0.05)^2$

$A = 800*(1.05)^2$

$A = 882$

The compound interest (C) is then calculated as:

$C = A -P$ i.e. Amount - Principal

$C = 882 - 800$

$C = 82$

7 0

3 years ago

CAN SOMEBODY PLEASE HELP ME!!!!!!!!!!

lana66690 [7]

The answers to the blanks are

1. 600,

2. 120,

3. 120,

4. 180.

Explanation:

The fence means perimeter around the court. So a tennis court's perimeter is 600 feet fence. The perimeter of a rectangle is 2 times the sum of the rectangle's length and the rectangle's width.
It is given that length equals 60 more than width i.e. l = w + 60, where l is the length of the court and w is the width of the court.
The perimeter of a court = 600 = 2 (l + w) = 2l + 2w = 2 (w +60) + 2w, this becomes, 2w + 120 + 2w = 600; 4w = 480, w = 120.
Since l = w + 60, l = 120 + 60 = 180. So length of a court is 180 feet and the width of a court is 120 feet.

6 0

3 years ago

Which type of graphic is most effective for showing attributes

kolbaska11 [484]

You need to take pictures of the graph for us to answer.

3 0

4 years ago