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Misha Larkins [42]
3 years ago
5

Q1)Write an equation in slope-intercept form for the line with slope-8 and y-intercept 9.

Mathematics
1 answer:
zheka24 [161]3 years ago
6 0

Answer:

y=-8x+9

Step-by-step explanation:

slope intercept form is y=mx+b and the slope replaces m and the y-intercept replaces b

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Use Euler's Theorem to calculate how many vertices a polyhedron has if it has 6 faces and 12 edges.
Sav [38]
v+f-e=2\\
v=2-f+e\\
v=2-6+12\\
v=8
7 0
3 years ago
Read 2 more answers
A number is decreased by 40% to 525. what is the original amount?​
zhenek [66]

Answer:

875

Step-by-step explanation:

lets assume the original amount X

the new amount = X - ( X × 40% )

525 = (60 × X) ÷ 100

X = ( 525 × 100 ) ÷ 60

<u>X = 875</u>

6 0
2 years ago
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If I was born in 1999 and 2019 how long has it been
stepladder [879]

Answer:

20 years

Step-by-step explanation:

2019-1999=20

Well it may not exactly be 20 years if you were born on October 7 1999 and it is January 1st 2019 then it would be 19 years. But assuming that it is the exact date then it would be 20 years. Also we are forgetting about leap days. If you were born on May 4th 1999 and it is May 3rd 2019 you are technically 20 years old. But I am not really sure if that really counts.

4 0
3 years ago
in a proportional relationship the ratio y/x is constant. Show that this ratio is not constant for the equation y=a-14
Colt1911 [192]

To show that the ratio \frac{y}{x} is not constant for the function y=a-14 we only need to evaluate this function at 2 points and then show that the ratio is not the same for those two points. Note that here a represents x.  

To find the counter examples here, I will use the values a=20  and a=28. For a = 20 , the equation tells us that the output is

y=20-14=6. For this value of a the point is point is (20,6). The ratio \frac{y}{x} =\frac{6}{20}. For the a=28, y=28-14=14. For this value of a the  point is (28,14) . The ratio \frac{y}{x} =\frac{14}{28} =\frac{1}{2}. Clearly this ratio is not constant for all ordered pairs.

8 0
2 years ago
Write an expression to represent the sum of three consecutive even numbers. Let C represent the first number in the series
Anna [14]
Let, the first number = C
second number will be = C + 2   ['cause next will be odd so we can't include that]
Third number = C + 4

Now, their sum would be:
C + C+2 + C+4 = 3C + 6

In short, Your Answer would be 3C + 6

Hope this helps!


7 0
3 years ago
Read 2 more answers
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