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iren2701 [21]
3 years ago
11

Choose the product.

Mathematics
1 answer:
Igoryamba3 years ago
4 0
(5x² + 2x - 3)(x - 1)
= 5x³ - 5x² + 2x² - 2x - 3x + 3
= 5x³ - 3x² - 5x + 3

In short, Your Answer would be Option D

Hope this helps!
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I really need help with this. English isn't my first language, and I've asked 3 different people and no one is able to explain t
hammer [34]
If you ever swam in a pool and your eyes began to sting and turn red, you felt the effects of an incorrect pH level. pH measures the concentration of hydronium ions and can be modeled by the function p(t) = −log10t. The variable t represents the amount of hydronium ions; p(t) gives the resulting pH level.

Water at 25 degrees Celsius has a pH of 7. Anything that has a pH less than 7 is called acidic, a pH above 7 is basic, or alkaline. Seawater has a pH just more than 8, whereas lemonade has a pH of approximately 3.
Create a graph of the pH function either by hand or using technology. Locate on your graph where the pH value is 0 and where it is 1. You may need to zoom in on your graph.
The pool maintenance man forgot to bring his logarithmic charts, and he needs to raise the amount of hydronium ions, t, in the pool by 0.50. To do this, he can use the graph you created. Use your graph to find the pH level if the amount of hydronium ions is raised to 0.50. Then, convert the logarithmic function into an exponential function using y for the pH.
The pool company developed new chemicals that transform the pH scale. Graph the parent pH function p(t) = −log10t and the transformations below on the same graph. Send the graph to your partner. Your partner will explain which transformation results in a y-intercept and why. You may graph by hand or using technology. Use complete sentences.
p(t) + 1
p(t + 1)
−1 • p(t)
Image by goodtextures: http://fav.me/d2he3r8
p(t)=-log(t)
p(.5)=-log(.5)= 0.3

y=-log ^(0.5)
10^-y= 0.5
10
p(t)+1
Red line on graph, this transformation has shifted up by 1. This translation doesn't result in a y-intercept.
p(t+1)
Blue line on graph, this transformation is shifting to the left by 1. This translation results in a y-intercept because it crosses the y-axis.
<span>-1 p(t) </span>
8 0
3 years ago
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tiny-mole [99]
The unit rate is 2 pens/1 notebook
4 0
3 years ago
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Write the equation of the given circle.<br><br> center (-2, -2)<br> radius of 6
juin [17]
Your equation is:

(x + 2)² + (y + 2)² = 36
6 0
3 years ago
5-2(x+2)=12 <br> Decimal Form and work under the problem too HURRY!!!1
lidiya [134]
5-2(x+2)=12. 3(x+2)=12. 3x+6=12.
-6. -6

3x=6. Divide 6 by 3x. x=2
4 0
3 years ago
Solve each question for x.<br> xe^-x+7e^-x=0
murzikaleks [220]

Answer:

x=-7

Step-by-step explanation:

xe^-x+7e^-x=0

factor out the e^-x

e^-x(x+7)=0

e^-x=0, x+7=0

-x=ln(0), x=0-7=-7,

since ln(0) is undefined,

the only solution is -7.

7 0
3 years ago
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