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kari74 [83]
3 years ago
6

Help PLEASE!

Mathematics
2 answers:
nignag [31]3 years ago
8 0
The third one is the answer you have to do on caculator
Yakvenalex [24]3 years ago
4 0
I think it is the 3rd one but I don’t know if that is right
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Can anyone help me please
Nady [450]

Yo sup??

since WY is the perpendicular bisector we can say

3x-5=2x+3

x=8

Hope this helps

6 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
TRUE or FALSE: Your boat travels 480 miles in 20 hours. That is the same rate as 860 miles in 40 hours.
Morgarella [4.7K]

Answer:

false

Step-by-step explanation:

860 divided by 2 is 430 NOT 480

5 0
3 years ago
Read 2 more answers
7.
Anuta_ua [19.1K]

Answer:

A. y ≥ 2x – 2

Step-by-step explanation:

4 0
3 years ago
What is the simple interest paid to the nearest cent for each principal, interest rate, and time? $834, 3%, 15 months
SashulF [63]
A=Pe^rt
P=principal(starting)
E= function on calculator
r= rate
T= time (how long)
4 0
3 years ago
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