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Likurg_2 [28]
2 years ago
11

Somebody please help me with this question

Mathematics
2 answers:
Degger [83]2 years ago
7 0

Answer:

966 pages

Step-by-step explanation:

690=number of pages for 30 books

Find the number of pages for one book

690/30=23

23 is the number of pages for one book.

Multiply the number of pages for one book by how many books you want.

23 x 42 = 966

jek_recluse [69]2 years ago
3 0

Answer:

966 Pages of Paper

Step-by-step explanation:

690 ÷ 30 = 23

23 x 42 = 966

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5 x a x 5 x a simplified
Fittoniya [83]

Answer:

5a^2

Step-by-step explanation:

5ax5a=5a^2

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2 years ago
Find the degree of w
lorasvet [3.4K]

Sum of angles of a linear pair = 180. So angle with measurement 142 and the adjacent angle to it have a sum = 180.

THerefore 142+y=180

Subtracting 142 from both sides

y = 38

Now in the down right sides corner triangle

38+49+w=180

87+w=180

Subtracting 80 from both sides,

w = 93

So the measurement of angle w = 93 .

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3 years ago
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5(wx-v)=9(x+v)<br> make x the subject
Zepler [3.9K]
Expand the brackets first
5(wx-v) = 9(x + v) 
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9x - 5wx = 9v + 5v

factorise out the x
x(9-5w) = 14v

then divide by 9-5w
x = 14v/(9-5w)


3 0
3 years ago
Read 2 more answers
Y=-2/3x+3 please show the work thank you ;)
Ivahew [28]

Answer:

Step-by-step explanation:

Looking at y=-%282%2F3%29x%2B3 we can see that the equation is in slope-intercept form y=mx%2Bb where the slope is m=-2%2F3 and the y-intercept is b=3

Since b=3 this tells us that the y-intercept is .Remember the y-intercept is the point where the graph intersects with the y-axis

So we have one point

Now since the slope is comprised of the "rise" over the "run" this means

slope=rise%2Frun

Also, because the slope is -2%2F3, this means:

rise%2Frun=-2%2F3

which shows us that the rise is -2 and the run is 3. This means that to go from point to point, we can go down 2 and over 3

So starting at , go down 2 units

and to the right 3 units to get to the next point

Now draw a line through these points to graph y=-%282%2F3%29x%2B3

So this is the graph of y=-%282%2F3%29x%2B3 through the points  and

3 0
3 years ago
What is -a^-2 if a = -5? (PLEASE HELP WILL MARK BRAINLIEST!!!)
4vir4ik [10]

Answer:

-1/25

Step-by-step explanation:

-a^-2

-(-5)^-2

=-1/25

6 0
3 years ago
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