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joja [24]
3 years ago
10

The radius of a circle measures 9 inches what is the measure of the diameter

Mathematics
1 answer:
Nostrana [21]3 years ago
6 0
18 inches
R= 9
D= 9 x 2
D=18
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If Train A is moving 66 mph and is 456 miles from the station while Train B is moving 72 mph and is 502 miles away, which train
Len [333]

Answer: train A arrives first

Step-by-step explanation:

7 0
3 years ago
The length of a rectangle is x times the square root of 100. The width is one-half y more than three-halves x. Given that the ar
pashok25 [27]
Area=length x width
A=10x(3/2 x + 1/2 y).
Now Distribute...
A=30x^2/2 + 10xy/2)
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So I believe your answer is D)
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3 years ago
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What is the slope of the line on the graph? ​
Phoenix [80]

Answer:

m=-2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Slope Formula: m=\frac{y_2-y_1}{x_2-x_1}

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Find points from graph.</em>

Point (-3, 6)

Point (3, -6)

<u>Step 2: Find slope </u><em><u>m</u></em>

Simply plug in the 2 coordinates into the slope formula to find slope <em>m</em>

  1. Substitute [SF]:                   m=\frac{-6-6}{3+3}
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6 0
3 years ago
If sin theta is negative and cot theta is positive, in which quadrant does theta terminate?
krok68 [10]

All you need to know is that:

  • In the first quadrant, both coordinates are positive
  • In the second quadrant, x is negative and y is positive
  • In the third quadrant, both coordinates are negative
  • In the fourth quadrant, x is positive and y is negative
  • The sine is the y coordinate of the points on the unit circle
  • The cosine is the x coordinate of the points on the unit circle
  • The cotangent function is defined as the ration between the cosine and the sine of an angle.

So, if sin theta is negative and cot theta is positive, you're saying that you're looking at a point with negative y coordinate and such that

\dfrac{\cos(\theta)}{\sin(\theta)}>0

The ratio of two numbers is positive if and only if they have the same sign, so the cosine must by negative as well.

Saying that an angle has negative sine and cosine is the same as saying that the angle identifies a point on the unit circle where both x and y coordinates are negative.

So, if you look at the bullet list at the beginning, you'll see that the point is in the third quadrant.

8 0
3 years ago
Help :C The question is the picture !
hjlf

Answer:

35

Step-by-step explanation:

28/4=7

5x7=35

so the missing value is 35

Hope i helped have a great day ( or night )!

3 0
2 years ago
Read 2 more answers
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