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jeka94
3 years ago
7

PLEASE HELP SIMPLE MATH PROBLEM WILL MARK BRAINLIEST

Mathematics
1 answer:
olga2289 [7]3 years ago
8 0

Answer:

not simple math but ok-

6,8

Step-by-step explanation:

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Write the expression below in simplest form. 3x^2 + 8x -1+2(x^2 +5x+3) (work shown please!)
Alinara [238K]

Answer:

5x^2+18x+5

Step-by-step explanation:

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2 years ago
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Select all that apply:
avanturin [10]

Answer: (-6,-4) (-2,-2) (-1,0) (2,6)

Step-by-step explanation:

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Write the equation of the line that passes through (3, 4) and (2, −1) in slope-intercept form. (2 points) a y = 3x − 7 b y = 3x
sashaice [31]

Answer: y = 5x − 11

Step-by-step explanation:

The equation of a straight line can be represented in the slope-intercept form, y = mx + c

Where c = intercept

Slope, m =change in value of y on the vertical axis / change in value of x on the horizontal axis represent

change in the value of y = y2 - y1

Change in value of x = x2 -x1

y2 = final value of y

y 1 = initial value of y

x2 = final value of x

x1 = initial value of x

The line passes through (3,4) and (2, -1),

y2 = - 1

y1 = 4

x2 = 2

x1 = 3

Slope,m = (- 1 - 4)/(2 - 3) = - 5/- 1 = 5

To determine the y intercept, we would substitute x = 3, y = 4 and m= 5 into

y = mx + c. It becomes

4 = 5 × 3 + c

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3 years ago
What is the area of a sector with a central angle of 210 degrees and a diameter of 4.6m?
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Sector area = (central angle / 360) * PI * radius^2
sector area = (210 / 360) * PI * 2.3^2
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<span><span><span>sector area = 9.6944313302 </span> </span> </span>
<span>sector area = 9.7 square meters (rounded)

Source:
http://www.1728.org/radians.htm

</span>
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3 years ago
Property in Live Oak County is assessed at $250,000,000. The taxes to be raised are $10,000,000. What is the tax rate?
vekshin1
4% on the taxes. 10mil/ 250 mil = .04
4 0
3 years ago
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