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worty [1.4K]
3 years ago
8

A number y decreased by 9 is 8 An equation that represents this sentence

Mathematics
1 answer:
Masja [62]3 years ago
8 0

Answer:

Y-9=8

Step-by-step explanation:

Y is decreased by 9 in just say 9 is subtracted by y

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Which equations represent the line that is parallel to 3x − 4y = 7 and passes through the point (−4, −2)? Check all that apply.
jonny [76]
First, we find the slope of the given line.

<span>3x − 4y = 7

-4y = -3x + 7

y = (3/4)x - 7/4

The slope of the given line is 3/4.
The slope of the parallel line is also 3/4.

Now we need the equation of the line that has slope 3/4 and passes through point (-4, -2),

We use the point-slope form of the equation of a line.

y - y1 = m(x - x1)

y - (-2) = (3/4)(x - (-4))

y + 2 = (3/4)(x + 4)     <---- check option E. Is the fraction 3/4 not there?

y + 2 = (3/4)x + 3

y = (3/4)x + 1

4y = 3x + 4

3x - 4y = -4    <------ this is choice B.
</span>
8 0
3 years ago
Which side lengths form a right triangle?
lilavasa [31]

Answer:

About anything that adds up to 90...

Step-by-step explanation:

3 0
2 years ago
An electrician needs 18.25 feet of wire for each outlet she installs. How man can she install with a 50 ft spool of wire?
jolli1 [7]

Answer:

2

Step-by-step explanation:

Ok, so if we know how much wire is needed for one outlet, we must figure out how many 18.25s fit into 50 ft of wire.

18.25*2=36.5

18.25*3=54.75 which is over 50 so it cannot possibly be more than 2.

3 0
2 years ago
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PLS HELP ME ASAP GIVING BRAINLIEST
lys-0071 [83]

Answer:

statement

m<abc = m<ghl

reason

transitive property

Step-by-step explanation:

7 0
2 years ago
I already finished it but how do you know if it’s decreasing or increasing?
nexus9112 [7]

Answer:

If the slope is positive it is increasing if the slope is negative it is decreasing :)

Example:

Y=mX+b

If m is positive it is a positive slope

6 0
3 years ago
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