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alukav5142 [94]
2 years ago
7

(-12,16) and (-4,-2)find the slope

Mathematics
2 answers:
cestrela7 [59]2 years ago
5 0

Answer:

It's -9/4 or -2 1/4. please mark me brainliest <3

Step-by-step explanation:

1) label x1, y1, x2, and y2.

x1     y1       x2 y2

(-12, 16)     (-4,-2)

2) Remember the formula is y2-y1

                                               --------

                                                x2-x1

3) substitute

-2-16

--------

-4-(-12)

4) two minuses (negatives) is a positive (+)

so,

-2-16             -18

---------=       --------

-4+12               8

5) simplify

-18 divided by 2          -9

-----                          =   -------    or -2 1/4

  8 divided by 2             4

nata0808 [166]2 years ago
3 0

Answer:

-1.75

Step-by-step explanation:

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Help fast please!!!!!!!!
MArishka [77]

Step-by-step explanation:

The area is

{x}^{2}  - 110x + 2800 \\  =  {x}^{2}  - 40x - 70x + 2800  \\  = x(x - 40) - 70(x - 40) \\  = (x - 40)(x - 70)

Since the width is

x - 40 \: (feet)

Then, the length will be

x - 70 \: (feet)

4 0
3 years ago
Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)
Rama09 [41]
A= 3
b= 4

=3.14(a^2 + ab)
substitute the given a & b values in expression

=3.14((3)^2 + (3*4))
multiply inside parentheses

=3.14(9 + 12)
add inside parentheses

=3.14(21)
multiply

=65.94


ANSWER: 65.94

Hope this helps! :)
4 0
3 years ago
Solve this inequality:
Arturiano [62]

Answer:

x > -6.

Step-by-step explanation:

16x - 33x < -12x + 30

Add 12x to both sides:

16x - 33x + 12x < 30

-17x + 12x < 30

-5x < 30

x > 30/-5

x > -6

(Note the inequality signs flips because we are dividing by negative 5).

3 0
3 years ago
How can i evaluate this expression 3/2-4/7
siniylev [52]
\frac{3}{2} -  \frac{4}{7}
=  \frac{3}{2} +  \frac{-4}{7} &#10;
=  \frac{21}{14} +  \frac{-8}{14}
=  \frac{21+-8}{14}
= \frac{13}{14}
<span>Decimal: 0.928571</span>
4 0
3 years ago
Read 2 more answers
Sally, Sue and Sara are friends. Sue's age is twice Sally's age. Sara is 1 year younger than Sue. The
sergiy2304 [10]
Sue = 2 Sally
Sara = Sue - 1
= (2Sally) - 1
Sally + Sue + Sara = 49
Sally + 2 Sally + 2 Sally - 1 = 49
5 Sally = 49 + 1
5 Sally = 50
Sally = 10
Sue = 20
Sara = 19
3 0
3 years ago
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