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k0ka [10]
3 years ago
14

What is the third angle of a triangle if the other two are (3x-20)° and (4x+10)°​

Mathematics
1 answer:
Karolina [17]3 years ago
8 0

Answer:

The other angle is 190-7x.

Step-by-step explanation:

Angles in a triangle add up to 180 degrees.

Let A be the third angle.

A + (3x-20) + (4x+10) = 180

A = 180 - (3x - 20) - (4x + 10) = 190 - 7x

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What is the volume of a cylinder with a height of 3 feet and a radius of 4 feet use 3.14 for pi
Vlad1618 [11]

Answer:

\large\boxed{V\approx150.72\ ft^3}

Step-by-step explanation:

The formula of a volume of a cylinder:

V=\pi r^2H

r - radius

H - height

We have the height H = 3ft and the radius r = 4ft. Substitute:

V=\pi(4^2)(3)=\pi(16)(3)=48\pi\ ft^3

\pi\approx3.14

V\approx48(3.14)=150.72\ ft^3

3 0
3 years ago
Read 2 more answers
Match each description of an algebraic expression with the symbolic form of that expression
kicyunya [14]

Answer:

A. 2 terms; variable = x; constant = 4.5 -------> 4.5 - 2x

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C. 3 terms; variables = x and y; constant = 2 --------------> 4.5x + 2 - 3y

D. 3 terms; variables = x and y; constant = 3 --------------> x - 2y + 3

Its 100% correct just not in the order you put it in, I think you might of switched them but I just did the Warm-Up and its right my dudes :)

7 0
3 years ago
What is one tenth of 24
BlackZzzverrR [31]
So,

One tenth of 24 is the same as this:
\frac{1}{10} *  \frac{24}{1}

Multiply
\frac{24}{10}\ or\  \frac{12}{5}\ or\ 2 \frac{2}{5}\ or\ 2.4
6 0
3 years ago
233.356 round to two significant figures
olchik [2.2K]
The answer is 230 :) 
6 0
4 years ago
A number is 42,300 when multiplied by 10 Find the product of this and 500?
Simora [160]
2115000

x*10= 42300

x= 4230

x*500

4230*500= 2115000

Hope this helps
4 0
3 years ago
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