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sattari [20]
3 years ago
11

I NEED HELP NOW please

Mathematics
2 answers:
Slav-nsk [51]3 years ago
8 0
6
12
18
24
30
That is on the y side
Paha777 [63]3 years ago
8 0
6
12
18
24
30
On the y side
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What are the x-intercepts of 4x^ + 8x - 5
mojhsa [17]
Assuming the exponent is supposed to be "^2" your equation will read:

4x² + 8x - 5

It must set equal to y to be a valid function and the y must be set equal to zero to find x-intercepts.

4x² + 8x - 5 = 0
4x² - 2x + 10x - 5 = 0
2x(2x - 1) + 5(2x - 1) = 0

(2x + 5)(2x - 1) = 0

Set each binomial equal to zero.

2x + 5 = 0
2x = 0 - 5
2x = - 5
Divide both sides by 2
x = - 5/2

2x - 1 = 0
2x = 0 + 1
2x = 1
x = 1/2

Your x-intercepts are x = - 5/2, 1/2 or (- 5/2, 0) and (1/2, 0)
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3 years ago
Find the parametric equations for the line that is tangent to the given curve at the given parameter (3cost)i (t^4 -3sint)j
ale4655 [162]

Answer:

Following are the solution to this question:

Step-by-step explanation:

Please find the complete question in the attached file.

In the given equation, when the point t=0

So,

\to r(0) = (3 \cos 0)i + (0^4 - 6 \sin 0)j + (2e^{3\times 0})k)

           = (3 \times 1)i + (0 - 0)j + (2e^{0})k)\\\\ = 3i +  0j + (2 \times 1)k)\\\\ = 3i +  0j + 2k \\

The value of the coordinates are 3, 0, 2 . so, the equation of the line is:

\to \frac{(x-3)}{3 \cos \ t} = \frac{(y-0)}{(t^{4}-6 \sin \ t)} = \frac{(z-2)}{2e^{3t}}=k

5 0
3 years ago
Write The decimal as a percent .065
grigory [225]

Answer:

6.5

Step-by-step explanation:

5 0
3 years ago
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Two lighthouses are 47 miles apart along a shore. They each spot a ship on the ocean. Lighthouse A
anyanavicka [17]
I can’t understand this question
4 0
3 years ago
PLEASE HELP ME WITH THIS!!
Anni [7]

Answer:

440 cm ²

Step-by-step explanation:

216 cm² +24 cm²= 440 cm²

3 0
2 years ago
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