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puteri [66]
3 years ago
8

Find the value of x.

Mathematics
1 answer:
MissTica3 years ago
5 0
It is an isosceles triangle, so x+x+45 = 180 degrees
x=135/2 = 67.5 degrees.
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Who knows how to do this
Oksi-84 [34.3K]

Answer:

(-1, 7)

Step-by-step explanation:

2 unites left would movie from 1 to -1.

1 unit down would move from 8 to 7.

7 0
3 years ago
Read 2 more answers
Ms. Li has 3.56 pounds of grape. She ate 2.1 pounds yesterday. How many pounds of grape are left?
Burka [1]
I think it would have to be 1.46.
Explanation: if you subtract 3.56 from 2.1 you’ll get 1.46
5 0
3 years ago
Suppose that the dollar cost of producing x radios is c(x) = 400 + 20x - 0.2x 2. Find the marginal cost when 30 radios are produ
My name is Ann [436]
C(x) = 400 + 20x - 0.2x²

c(30) = 400 + 20(30) - 0.2(30)²

= 400 + 600 - 0.2(900)
= 1000 - 180
= 820

It costs $820 when 30 radios are produced. 

Marginal cost is how much it would cost to make one MORE of the same product so now we find how much it costs to produce 31 radios and compare the two. 

c(31) = 400 + 20(31) - 0.2(31)²

= 400 + 620 - 0.2(961)
= 1020 - 192.2
= 827.8 or ≈828.

Now we find the difference which means we subtract the two. 

828 - 820 = 8. 

Your marginal cost is $8. 

To compare we can also do 29 radios. 

c(29) = 400 + 20(29) - 0.2(29)² = 811.8 or ≈812

820 - 812 = 8. 
7 0
3 years ago
4) From a graphed linear line, how do you find the<br> Slope:<br> Y-intercept:
Ad libitum [116K]

Rise over Run

Put the amount you go up or down on the Y-axis over how much you go right or the x-axis

the Y-intercept is found simply by looking where the graph crosses the y, if the equation is written instead of graphed, graph it using a graphing calculator, then use the information I gave you previously : )

8 0
3 years ago
R.a.t.e me 1 - 10 i.d.k why
ivann1987 [24]
10/10 you look pretty! Anyone looks pretty have a wonderful day!
4 0
3 years ago
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