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Karolina [17]
3 years ago
10

What is z+6+z-11=z+49

Mathematics
1 answer:
aleksklad [387]3 years ago
4 0

Answer:

z=18

Step-by-step explanation:

z+6+z-11=z+49

2z-5=z+49

3z-5=49

3z=54

z=18

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5 0
3 years ago
Help with the following problem please
Effectus [21]
Given:
The largest circle has a radius of R=7 units.
Let x be the radius of the large shaded circle.
The small shaded circles have a radius of 1/5 of the large shaded circle.
=> the small shaded circles have a radius of r=x/5

By adding up radii, we have the equation
2(r+x+r)=2(x/5+x+x/5)=2R=2*7=14
Simplify:
7x/5=14/2
x=5
=> r=1

Area of outer circle                  = \pi R^2=\pi7^2=49\pi
Area of large shaded circle      = \pi x^2=\pi5^2=25\pi
Area of 4 small shaded circles = 4\pi r^2=4\pi1^2=4\pi
Total area of shaded circles     =25\pi+4\pi=29\pi

Shaded area as a fraction of that of the outer circle 
=\frac{29\pi}{49\pi}=29/49

3 0
3 years ago
How do you round 3,915 o the nearest hundred?
s2008m [1.1K]
You uñere línea the niñez Andes circulé the One but 
8 0
3 years ago
Match the expression to its simplified form.
omeli [17]

Answer:

Step-by-step explanation:

5³ = 5 × 5 × 5 = 125

2^{5} = 2 × 2 × 2 × 2 × 2 = 32

5^{-2} = \frac{1}{5^{2} } = \frac{1}{25}

2^{-4} = \frac{1}{2^4} = \frac{1}{16}

4 0
3 years ago
Can someone help me I really need it
Dennis_Churaev [7]

Answer:

The 3 lines are parallel.

Step-by-step explanation:

To draw the lines with the slope of 1/3 choose any point and mark it, then go up 1 square and right 3 squares and mark that point. Draw a line connecting those 2 points. Now choose another point and do the same thing. Then once more. Lines with the same slope are parallel.

Hope this helped! Please mark Brainliest.

8 0
3 years ago
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