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solong [7]
3 years ago
8

Find the shaded area. Round your answer to the nearest tenth.

Mathematics
1 answer:
Fofino [41]3 years ago
7 0

Answer:

{22cm}^{2}

to the nearest tenth

Step-by-step explanation:

find the area of the semi circle

\frac{\pi \times 5}{2}  = {7.85cm}^{2}

find area of the whole shape

5 \times 6 = {30cm}^{2}

then subtract both areas to get shaded area

30 - 7.85 = 22.15

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If the cylinder above is similar to a second cylinder that has a radius of 10mm, what is the height of the second cylinder
julsineya [31]

Answer:

The height of the second cylinder is 30mm

Step-by-step explanation:

Given

Cylinder 1:

R = 15mm

H = 45mm

Cylinder 2

r = 10mm

See attachment

Required

Determine h, the height of the small one

To do this, we make use of the following equivalent ratios;

R : H = r : h

This gives:

15 : 45 = 10 : h

Express as fraction

\frac{15 }{ 45 }= \frac{10 }{ h}

Simplify

\frac{1 }{ 3}= \frac{10 }{ h}

Cross multiply

h *1 = 3 * 10

h = 30

8 0
3 years ago
25 POINTS WILL MARK RIGHT ANSWER AS BRAINLIEST! What is the value of x to the nearest tenth?
andreyandreev [35.5K]

Answer:

The value of x is 2.5 to the nearest tenth

Step-by-step explanation:

* Lets revise the trigonometry functions

- In any right angle triangle:

# The side opposite to the right angle is called the hypotenuse

# The other two sides are called the legs of the right angle

* If the name of the triangle is ABC, where B is the right angle

∴ The hypotenuse is AC

∴ AB and BC are the legs of the right angle

- ∠A and ∠C are two acute angles

- For angle A

# sin(A) = opposite/hypotenuse

∵ The opposite to ∠A is BC

∵ The hypotenuse is AC

∴ sin(A) = BC/AC

# cos(A) = adjacent/hypotenuse

∵ The adjacent to ∠A is AB

∵ The hypotenuse is AC

∴ cos(A) = AB/AC  

# tan(A) = opposite/adjacent

∵ The opposite to ∠A is BC

∵ The adjacent to ∠A is AB

∴ tan(A) = BC/AB

* Now lets solve the problem

∵ x is opposite to the angle of measure 23°

∵ 6 is adjacent to the angle of measure 23°

∴ tan(23°) = x/6 ⇒ × 6 to both sides

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* The value of x is 2.5 to the nearest tenth

7 0
3 years ago
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The graph of the step function g(x) = –⌊x⌋ + 3 is shown. What is the domain of g(x)? {x| x is a real number} {x| x is an integer
allsm [11]

Answer:

Option A is correct.

The domain of the g(x) is {x | x is a real number}

Step-by-step explanation:

The graph of the step function: g(x)=-\left \lfloor x \right \rfloor +3


Floor function is defined as the function that gives the highest integer less than or equal to x.

The graph of function: g(x)=-\left \lfloor x \right \rfloor +3  where x is the independent variable as shown below;

Domain of any function is the complete set of possible values of the independent variable

Therefore, the domain of the function g(x) is the set of all real numbers or we can represent this as  {x | x is a real number}.

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4 years ago
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Inessa05 [86]
X = 2 or -2

either way it’s still 12 , hope this helps !
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What is the length of the diagonal of a rectangle whose width is 100 centimeters and whose length is 180 centimeters. ( round th
Aloiza [94]
D                                              keep trying for your family

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