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makvit [3.9K]
3 years ago
15

1st question: The equation 4+(3x)^2-x^3=k has 3 solutions for -2≤x≤4. State the range of values k.

Mathematics
1 answer:
just olya [345]3 years ago
7 0
Hello,

I don't know how to do this! (if you know , say it.
I have drawn the curves for k=4 to 9
and we only have 3 solutions if 4<k<8

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Find the distance between the points (2.7, 5.1) and (3, 4.7).<br><br> 0.05<br><br> 0.5<br><br> 5
vitfil [10]
D = sqrt (x2 - x1)^2 + (y2 - y1)^2
(2.7,5.1)...x1 = 2.7 and y1 = 5.1
(3,4.7)...x2 = 3, and y2 = 4.7
now we sub
d = sqrt (3 - 27/10)^2 + (47/10 - 51/10)^2
d = sqrt (3/10^2) + (-2/5^2)
d = sqrt (9/100 + 4/25)
d = sqrt 1/4
d = 1/2 or 0.5 <==
8 0
3 years ago
Read 2 more answers
A cat bed is selling 10% off the original price. The original price was $100. What is the sale price of the bed?
Tasya [4]

Answer:

90

Step-by-step explanation:

discount = original price * percent off

discount = 100(10%)

               = 100*.10 = 10

Sale price = original price - discount

                 = 100-10

                  = 90

5 0
4 years ago
The table below shows two equations: Equation 1 |2x − 3| + 5 = 4 Equation 2 |5x + 3| − 10 = 3 Which statement is true about the
earnstyle [38]

Answer:

Equation 1 has no solution. Equation 2 does. The correct answer would be D.

8 0
4 years ago
Which is more, 5,280 feet or 1 mile?
dmitriy555 [2]
5,280 is equal to 1 mile
Hope i helped :)
8 0
3 years ago
Read 2 more answers
Which point can be used to find f(3)
vichka [17]
Hey there!

x-axis: x-value, 0
y-axis: 0, y-value
All the x-values would be on the “x line”
All the y-values would be on the “y line”

So, D. -3,0 (not the answer) ➡️ f(-3)= 0


C. -1, -3 (not the answer)➡️ f(-1)=-3


B. 0,3 (not the answer) ➡️ f(0) = 3

A. 3,0 (answer) f(3) = 0

Meaning , “Point A” would most likely be your result

Good luck on your assignment and enjoy your day

~LoveYourselfFirst:)
4 0
3 years ago
Read 2 more answers
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