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4 years ago

What is the anwser to 7(4z+8b)

Mathematics

2 answers:

Reptile [31]4 years ago

7 0

Do 7x4= 28 then add z
7x8= 56 then add b
so your answer is 28z + 56b

quester [9]4 years ago

7 0

7(4z+8b) = 28z + 56b
Times 7 by 4z to get 28z
Times 8b by 7 to get 56b
z and b are different so you can't mix them. e.g. zebra's and bears. Therefore, the answer is 28z + 56b.

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A right circular cylinder has a height of 19 3/4 ft and a diameter 1 2\5 times its height.

alexira [117]

Answer:

Volume of cylinder is 34833.21 ft³

Step-by-step explanation:

Given : A right circular cylinder having height $19\frac{3}{4}$ ft and diameter $\frac{12}{5}$ times its height.

Given : diameter $\frac{12}{5}$ times its height that is

diameter $\frac{12}{5}$ times $19\frac{3}{4}$ that is

Diameter = $\frac{12}{5} \times \frac{79}{4}$

Diameter = $\frac{237}{5}$ ft

Radius is half of diameter,

Radius = $\frac{1}{2} \times \frac{237}{5}=\frac{237}{10}$ ft

$\text{Volume of Cylinder}=\pi r^2h$

Substitute the values, we get,

$\text{Volume of Cylinder}= \pi (\frac{237}{10})^2 \times \frac{79}{4}$

$\text{Volume of Cylinder}= \times 3.14 \times (23.7)^2 \times 19.75$

$\text{Volume of Cylinder}=34833.21$

Thus, volume of cylinder is 34833.21 ft³

6 0

3 years ago

What is the perimeter of the shape in units

Taya2010 [7]

Step-by-step explanation:

18 units

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5 0

3 years ago

The width of the rectangle is 40% of its length. What is the area of the rectangle?

12345 [234]

Answer:

160in²

Step-by-step explanation:

40% = 0.4 = 4/10

The length is 20, 40% of that is (0.4)(20) = 8in

Length * width . = 20*8 = 160in²

3 0

3 years ago

Abdul flips a weighted coin 64 times and gets 16 tails. Based on experimental probability, how many of the next 40 flips should

sergij07 [2.7K]

Answer:

yes, Abdul should expect to come up tails.

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3 years ago

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ICE Princess25 [194]

Answer:-5

Step-by-step explanation:

i could be wrong i used my calculator

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3 years ago