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Serggg [28]
3 years ago
10

Can some one solve this in factored form for me please 3a^2-4a-7

Mathematics
1 answer:
eimsori [14]3 years ago
5 0
Factored by grouping
(3a - 7) (a + 1)
You might be interested in
Pls help rlly easy xx
liberstina [14]

Answer:

divide both sides by 5c

\frac{p + q}{5c}

7 0
3 years ago
Read 2 more answers
What number decreased by 23% is equals 123?
vredina [299]

Answer: Lets call the number x

decreased means subtraction.  If x is decreased bt 23% then the result is

x-23%(x)  =  x-(23/100)x    or x-.23x

x-.23x=539

.77x=539

x=539/.77

x=700

check:  700-.23(700)=539

           700-161=539

           539=539

           Our answer is correct

Step-by-step explanation:

hope this helps❤️❤️❤️

7 0
3 years ago
2) Which variables represent the slope and y-intercept in slope-intercept<br> form?
oee [108]

Answer:

The variable that represent the slope is 'm' and the variable that represent the y-intercept is 'b'.

Step-by-step explanation:

The equation of a line in slope-intercept form is given as:

y=mx+b

Here, the variable 'm' is the coefficient of independent variable 'x' and represents the slope of the line.

The constant term in the given equation is 'b' and it represents the y-intercept of the given line.

Slope is defined as the ratio of rise or fall over run. In other words, slope is the ratio of change in value of 'y' with change in value of 'x'.

Slope is positive if change in 'y' is positive with increasing 'x' and it is negative if change in 'y' is negative with increasing 'x'.

y-intercept is the point where the line crosses the y-axis. So, the 'y' value of that point is y-intercept. The coordinates of the point is given as (0, b).

So, the variable used for the slope is 'm' and 'b' is used for y-intercept.

5 0
3 years ago
2. The cost that a carpet cleaning company charges is directly proportional to the number of rooms cleaned. The cost is $22 for
klio [65]

Answer:

a

Step-by-step explanation:

to determine cost u need to have a equation to show cost per room.and total cost of rooms

6 0
3 years ago
What 2 numbers add to 27 and multiply to -48
eimsori [14]
I do believe 9 and 3<span />
4 0
4 years ago
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