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Elza [17]
3 years ago
9

Simplify 3x^5 times 5x^3 can someone help please

Mathematics
1 answer:
frutty [35]3 years ago
8 0

Answer:

15x^8

Step-by-step explanation:

multiply the bases and add the exponents

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Graph the line using a point and a slope. Write the equation of each line.
arsen [322]

Answer:

  y = -1/2x -3

Step-by-step explanation:

The line perpendicular to one with a slope of 2 will have a slope that is the negative reciprocal of 2, that is, -1/2. The given point is the y-intercept of the required line, so we can write its equation directly in slope-intercept form:

  y = mx + b

where m is the slope (-1/2), and b is the y-intercept (-3). Your line is ...

  y = -1/2x -3

7 0
3 years ago
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Find the circumference of the circle and show work
Olegator [25]

Circumference (Perimeter)

= diameter * pi

= 4 * 3.14

= 12.56 yd

4 0
2 years ago
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What is the constant of proportionality in the equation y=0.41x?
schepotkina [342]
The answer to this question is 0.41
6 0
2 years ago
A university professor asked his class of 42 students when they had studied for his class the previous weekend. There responses
Basile [38]

<u>ANSWERS:</u>

a) 16 students

b) 25 students

c) 2 students

<u>STEP BY STEP:</u>

There are 42 students in total. This question can be solved by <em>"Principal of Inclusion and Exclusion"</em>

Question a)

The students that studied on Sunday in total with overlaps is 30. To figure out the students that ONLY studied on Sunday you need to first minus the overlaps in the combos:

the combos:

3, 10, 6, 2

Since the last combo included all of the other dates, we need to minus it:

1, 8, 4, 2

Now we can use the total of Sunday and minus the combos that includes Sunday:

30 - (4 + 2 + 8)  = 16 students

Question b)

To figure out all the students that only studied on ONE day, not 2 not 3, just one day. We need to figure out the students that studied for Saturday and Friday using the same method before for figuring out Sunday:

<u>Friday:</u> 9 - 4 - 1 -2 = 2 students

<u>Saturday:</u> 18 - 1 - 2- 8 = 7 students

and now add them all together: 2 + 7 + 16 = 25 students

That is the total number of students that studied on one day.

Question c)

Now for the numbers of students that didn't study... We can just use the total to minus everything else!

42 - (25 + 1 + 4 + 8 + 2) = 2 students!!!

<em>And thats all done!  If you still don't get it, please ask!</em>

7 0
3 years ago
Leo had $91, which is 7 times as much money as Alison had. How much
NARA [144]

Answer:

7x=91

$13.

Step-by-step explanation:

Let x represent money that Alison has.

We have been given that Leo has 7 times as much money as Alison had. So the amount of money that Leo has, would be 7x.

We are also told that Leo had $91, so we will equate 7x with 91 and solve for x as:

7x=91

To solve for x, we will divide both sides by 7:

\frac{7x}{7}=\frac{91}{7}

x=13

Therefore, Alison has $13.

8 0
3 years ago
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