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Black_prince [1.1K]
3 years ago
8

Helps, also explain how to do it I want to learn how and stop using brainy​

Mathematics
1 answer:
Nutka1998 [239]3 years ago
5 0

Answer:

259

Step-by-step explanation:

USE PEMDAS

Parenthesis

Exponent

Multiplication

Division

Addition

Subtraction

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PolarNik [594]
50 km/h = 4 hours
60 km/h = x hours

50x = 60×4

50x = 240

x = 4.8 hours
6 0
3 years ago
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What is 35 percent of 63?<br> O 1.8<br> O 3.15<br> O 18.9<br> O 22.05
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Answer:

22.05

Step-by-step explanation:

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8 0
3 years ago
Please help, I need an explanation because I'm confused on how to do this.
gladu [14]

Answer:

15°

Step-by-step explanation:

If CB is a diameter, the arc BKAC is a semicircle and has a degree measure of 180.  If the measure of angle BCK is 20 and it is an inscribed angle, then the measure of the arc it intercepts is twice that.  So arc BK measures 40 degrees.  That means that arc KA has a measure that is found by subtracting arc AC and arc BK from 180.  180 - 40 - 110 = 30.  If that arc is 30 and the angle that intercepts it is inscribed, then the angle measure is half the measure of the arc. So the angle is 15°

3 0
3 years ago
An adult giraffe was recently measured was 5 1/6 yards tall, including its neck. This giraffe,s neck was 2 1/3 yards long. What
Artemon [7]

Answer:

2 5/6

Step-by-step explanation:

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6 0
3 years ago
A.) f(x)=3x^2-18x+27.
Alona [7]
A)
Vertex:(3,0)
x-intercepts: (3,0) 
y-intercepts: (0,27)

B)
Vertex:(0,-9)
x-intercepts:none 
y-<span>intercepts:</span> (0,-9)
8 0
3 years ago
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