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poizon [28]
3 years ago
15

Find the equation of a line that passes through the points (4,0) and (2,4).

Mathematics
1 answer:
Ksju [112]3 years ago
3 0

Answer:

answer is y=-2x+8 is the eq of given line

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David was in need for some money so he decided to clean out the water fountain at the mall he found 20 nickels and quarters. The
Shkiper50 [21]

Answer:

David find <u>8</u> quarters.

Step-by-step explanation:

Given:

David was in need for some money so he decided to clean out the water fountain at the mall he found 20 nickels and quarters.

The collection of nickels and quarters totaled to 2.6.

Now, to find the quarters David find.

Let the number of nickels be x

And the number of quarters be y

Thus, the number of nickels and quarters he found:

x+y=20.

⇒ x=20-y.........( 1 )

The totaled of nickels and quarters:

0.05x+0.25y=2.6

(As 1 nickel=$0.05 and 1 quarter=$0.25)

Now, putting the equation ( 1 ) in the place of x we get:

0.05(20-y)+0.25y=2.6

⇒ 1-0.05y+0.25y=2.6

⇒ 1+0.20y=2.6

<em>Subtracting both sides by 1 we get:</em>

⇒ 0.20y=1.6

<em>Dividing both sides by 0.20 we get:</em>

⇒ y = 8.

So, the quarters = 8.

Therefore, David find 8 quarters.

3 0
3 years ago
the football team gained 7 yards. gained 4 yards, lost 5 yards, gained 21 yards, lost 2 yards and gained 4yards to their 43 yard
svet-max [94.6K]
7+4-5+21-2+4=29 Then I used football knowledge to find that they started on the other teams 28 yard line :)
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How do u write twenty-seven hundreths
erma4kov [3.2K]
0.27 would be the answer

3 0
3 years ago
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Find the product.<br> (x2+6x +9)(x?) -<br> What’s the product
lesya692 [45]

Answer:

Step-by-step explanation:

(x² + 6x + 9)(x)= x²*x + 6x*x + 9*x = x³ + 6x²  + 9x

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3 years ago
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What is 9 out of 100 as a percent ?
UkoKoshka [18]

Answer:

9%

Step-by-step explanation:

9/100 = 0.09

To convert to a percent, multiply by 100 and add a percent sign:

0.09 * 100 = 9%

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3 years ago
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