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Softa [21]
3 years ago
8

#22-1: There are 8 sections of the spinner. There are 2 red, 2 green, 2 blue, and 2 yellow sections. the

Mathematics
2 answers:
artcher [175]3 years ago
8 0

Answer:

1/2

Step-by-step explanation:

First count how many sections aren't red or green: 2 yellow + 2 blue

Now we know that the total number of sections is 8.

So out of those 8 sections, 2 yellow + 2 blue aren't red or green.

That is, 4 out of the 8 sections aren't red or green.

This can be expressed as a fraction: 4/8

Now we simplify the fraction by dividing by 4 on the top and bottom: 1/2

lutik1710 [3]3 years ago
7 0

Answer:

1/2

(This is assuming all sectors are congruent)

Step-by-step explanation:

Well the other two colors that aren't red or green is blue and yellow.

There are 2 blues and 2 yellows.

There are 8 sections altogether.

We are asked to find the probability that our spinner will land on blue or yellow so we do (blue+yellow)/all = (2+2)/8=4/8=1/2.

This probability was assuming all sectors were congruent sectors.

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If f(x)=-4x^2-6x-1 and g(x)=-x^2-5x+3, fine (f-g)(x)
NeX [460]

Answer:

\large\boxed{(f-g)(x)=-3x^2-x-4}

Step-by-step explanation:

(f-g)(x)=f(x)-g(x)

f(x)=-4x^2-6x-1,\ g(x)=-x^2-5x+3\\\\(f-g)(x)=(-4x^2-6x-1)-(-x^2-5x+3)\\\\(f-g)(x)=-4x^2-6x-1-(-x^2)-(-5x)-3\\\\(f-g)(x)=-4x^2-6x-1+x^2+5x-3\qquad\text{combine like terms}\\\\(f-g)(x)=(-4x^2+x^2)+(-6x+5x)+(-1-3)\\\\(f-g)(x)=-3x^2-x-4

5 0
3 years ago
Sasha is planning to create a garden with area 30 m2. She could use a
son4ous [18]

Answer:

Circle requires ≈ 20 m of edging

Step-by-step explanation:

A = πR²

R = √(A/π)

C = 2πR = 2π√(A/π)

C = 2π√(30/π) = 19.41625... ≈ 20 m

square needs ≈ 22 m of edging

equilateral triangle needs ≈ 25 m of edging

5 0
2 years ago
The y intercept of the line is ___ , and the slope of the line is ___.
CaHeK987 [17]

Answer:

The y-intercept of the line is 1/2, and the slope of the line is 5.

Step-by-step explanation:

2y+2=10x+3

2y=10x+3-2

2y=10x+1

y=\frac{10x+1}{2}

y=\frac{10x}{2} +\frac{1}{2}

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m is the slope.

b is the y-intercept.

3 0
3 years ago
A ball is thrown vertically ​
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Answer:

Step-by-step explanation:

7 0
3 years ago
Can someone help me with system of equations?
nignag [31]
2x + y = 350
x + 2y = 475 
3x + 3y = 825
x + y = 275
x = 275 - y 
(plug back into first equation) 
2(275 - y) + y = 350
550 - 2y + y = 350 
550 - y = 350
-y =-200 or y = $200 (dog)
therefore, x = $75 (cats)
Check
2(75) + 200 = 350
75 + 400 = 475 
HAPPINESS! :)
3 0
3 years ago
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