2 years ago

A line passes through the point (10,3) and has a slope of-1/2 . Write an equation in slope-intercept form for this line.

Mathematics

1 answer:

Iteru [2.4K]2 years ago

6 0

Y= -1/2 + 7 is the slope intersept form

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Factor the expression.

grigory [225]

Hey!

First, let's write the problem,
$4r^2-64$
Factor out the common term, which is 4,
$=4\left(r^2-16\right)$
Then, let's factor this part: $r^2-16$
We are going to factor it using the difference of squares rule.
$=\left(r+4\right)\left(r-4\right)$
Our final factored answer would be,
$=4\left(r+4\right)\left(r-4\right)$

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Solve this using substitution method. Many many thanks

In-s [12.5K]

Answer:

y=2 and x=1

Step-by-step explanation:

sub 2 into 1

3(15-7y) + 4y= 11

45 - 21y +4y =11

-21y+4y= 11-45

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y=2

Therefore sub y into x equation

x=15-7(2)

x= 1

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2 years ago

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Answer:

Step-by-step explanation:

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3 years ago

Harrison has 30 cds in his music collection. If 40% of the cds are country and 30% are pop, how many are other types of music

Pavel [41]

Well you have to find out how many cd is 40% and 30%
30% = 30x.3=9
40% = 30x.4=16
now add 16 and 9
16+9=25 now subtract 25 from 30 and see that you have 5 cd of a different type of music to find that as a % divide 5 by 35 to get .14 I rounded it to the nearest hundreth now move the decimal over 2 spots to get 14%

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3 years ago