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3 years ago

Find the value of x. DO NOT SEND ME A LINK LIKE THIS tnylnk.gq/7Hrq

Mathematics

2 answers:

Len [333]3 years ago

8 0

Answer:

Step-by-step explanation:

Remark

The angle that looks like a shark's fin sticking out of the water is also 75o. So you have 2 angles that are 75 degrees each. Add them together.

Solution

x + 75 + 75 = 180 All triangles have 180 degrees.

x + 150 = 180 Subtract 150 from both sides.

x= 180 - 150

x = 30

Tasya [4]3 years ago

6 0

Answer:

Step-by-step explanation:

since the 2 sides are congruent, the two angles are congruent, so

75+75+ x= 180

150+x=180

x=30

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Building engineer analyzes a concrete column with a circular cross section. The circumference of the column is 18 \pi18π18, pi m

Ksivusya [100]

the area A of the cross section of the column is $(81\pi )m^2$ .

<u>Step-by-step explanation:</u>

Here we have , building engineer analyzes a concrete column with a circular cross section. The circumference of the column is 18π, pi meters. We need to find What is the area A of the cross section of the column .Let's find out:

We know that , Circumference of circle = $2\pi r$

⇒ $Circumference = 2\pi r$

⇒ $18\pi= 2\pi r$

⇒ $\frac{18\pi}{2\pi }= \frac{2\pi r}{2\pi }$

⇒ $\frac{18\pi}{2\pi }=r$

⇒ $r=9$

We know that area of circle = $\pi r^2$

⇒ $Area= \pi r^2$

⇒ $Area= \pi 9^2$

⇒ $Area= 81\pi$

Therefore , the area A of the cross section of the column is $(81\pi )m^2$ .

3 0

3 years ago

3. Consider the following

neonofarm [45]

Answer: Answer (Part A & Part B)

Step-by-step explanation:

Part A ; m<Y= 113-w

Part B ; 14d-19+33+67=180

D= 99/14

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3 years ago

Find the value of (-8)(-3)(-2)(4)

Sholpan [36]

Answer:

- 192

Step-by-step explanation:

The sign is - cause we have (-)*(-)*(-)=(+)*(-)=(-)

the value is - 8*3*2*4= - 8*24= - 192

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saw5 [17]

Answer:

Step-by-step explanation:

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4 years ago

Tina has 3 stacks of 5 cds on each of 3 shelves. How many cds does she have?

trasher [3.6K]

She has a total of 45 CDS.

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3 years ago

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