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bulgar [2K]
3 years ago
5

What is the leanght of the line 4 5 5 6

Mathematics
1 answer:
jolli1 [7]3 years ago
7 0
Can you maybe take a picture of the problem, it’s kinda hard to understand what you’re trying to ask for
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Please help I don’t know the answer :(
gogolik [260]

Answer:

When x=8, y=-6. When x=10, y=0

Step-by-step explanation:

y=3x-30\\x^2+y^2=100

You can plug the given y value into the second equation to get:

x^2+(3x-30)^2=100\\x^2+9x^2-180x+900=100\\10x^2-180x+800=0\\10(x^2-18x+80)=0\\10(x-8)(x+10)=0\\x= 8, 10\\y= -6, 0

Hope this helps!

6 0
3 years ago
Read 2 more answers
The data from the U.S. Census Bureau for 1982−2003 shows that the surface area of the United States that is covered by rural lan
Wewaii [24]
If we plug in 0 for x, we can receive the data for the year 1982. Doing so shows us that the Rural area was 1,417.4 million acres and the total area was 1,839.4 million acres. Therefore, we can conclude that the majority of the area of the United States was rural in 1982.
5 0
3 years ago
More on Areas. Farmer Jones, and his wife, Dr. Jones, both mathematicians, decide to build a fence in their field to keep the sh
Olin [163]

Answer:

Area covered by the fences will be 16.1 unit²

Step-by-step explanation:

Let the first parabola is represented by the function f(x) = 6x²

and second parabola by g(x) = x² + 9

point of intersection of the graphs will be determined when f(x) = g(x)

6x² = x² + 9

5x² = 9

x² = 1.8

x = ± 1.34

Now we will find the area between these curves drawn on the graph.

Area = \int_{-1.34}^{1.34}[f(x)-g(x)]dx=\int_{-1.34}^{1.34}[6x^{2}-(x^{2}+9)]dx

= \int_{-1.34}^{1.34}(5x^{2}-9)dx

= [\frac{5}{3}x^{3}-9x]_{-1.34}^{1.34}

= [\frac{5}{3}(-1.34)^{3}-9(-1.34)-\frac{5}{3}(1.34)^{3}+9(1.34)]

= [-4.01+12.06-4.01+12.06]

= 16.1 unit²

6 0
3 years ago
Can someone help me with this question if two figures are similar but not congruent, how are they alike, and how are they differ
kenny6666 [7]
Two figures are similar if they have the same shape but not necessarily the same size although they are the same shape they are different sizes
3 0
2 years ago
A sample poll of 100 voters were chosen from a given district<br>​
Julli [10]

Answer:

5y345

Step-by-step explanation:

i did it before

6 0
2 years ago
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