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Troyanec [42]
3 years ago
11

Help me! Mathematics, quick, I'm on Time Limit! Thank you all very much!

Mathematics
2 answers:
BaLLatris [955]3 years ago
5 0

Answer:

first or second

Step-by-step explanation:

ivolga24 [154]3 years ago
3 0
I think it might be the 1st one but i’m not sure
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Please help with this question
VLD [36.1K]
Have you ever heard of slader.com?

3 0
3 years ago
Use the Rational Zeros Theorem to write a list of all possible rational zeros of the function.
marishachu [46]

Answer:

\text{Possible rational zeros}=\pm1,\pm\frac{1}{2},\pm2,\pm3,\pm\frac{3}{2},\pm6,\pm9,\pm\frac{9}{2},\pm18

Step-by-step explanation:

We have been given the function

f(x)=-2x^2+4x^3+3x^2+18

From the rational zeros theorem, we have

\text{Possible rational zeros}=\pm\frac{\text{Factors of constant term}}{\text{Factors of leading coefficient}}

From the given function,

Leading coefficient = 2

Factors of 2 are 1,2

Constant term = 18

Factors of constant term = 1, 2, 3, 6, 9, 18

Hence, we have

\text{Possible rational zeros}=\pm\frac{1,2,3,6,9,18}{1,2}\\\\\text{Possible rational zeros}=\pm1,\pm\frac{1}{2},\pm2,\pm3,\pm\frac{3}{2},\pm6,\pm9,\pm\frac{9}{2},\pm18

6 0
3 years ago
What is the slope of y = 4 -2x?
erastovalidia [21]

Answer:

<h2>- 2</h2>

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept

We have

y=4-2x=-2x+4

Therefore the slope is equal to -2.

8 0
3 years ago
Which is the better buy on a swing set that has a retail price of $449?
Naddika [18.5K]
A) 20% of 449 = 89.8

B) 449 - 100 = 349

C) 449 - 75 = 374.  10% of 374 = 37.4.  374 = 336.6

D) 449 - 50 = 399.  20% of 399 = 79.8.  399 - 79.8 = 319.2

Hope this helps! :D


6 0
3 years ago
F the height remains fixed and the side of the base is decreasing by 0.002 meter/yr, what rate is the volume decreasing when the
katrin [286]

The original volume equation looks like this: V = 1/3 * h * (x^2) 
After the side is reduced by 0.002, the new volume would look like V1 = 1/3 * h * (x-0.002) ^ 2 

Then we have: 
V-V1 = 1/3*h*(x^2) - 1/3*h*(x – 0.002) ^2 


= 1/3 * h *(x^2 - (x – 0.002) ^2) 


= 1/3 * h * (0.004x - 0.00004) 


The rate of decreasing is computed by:


(V-V1)/V * 100% = [1/3 * h *(0.004x - 0.00004)] / [1/3 * h * (x ^ 2)] * 100% this would be equal to (0.004x - 0.00004) / (x^2) * 100% 

So replace x by 200, you’ll get:

(0.004(200) - 0.00004) / (200^2) * 100% 

= 0.001999% is the rate of decreasing.

4 0
3 years ago
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