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Lunna [17]
4 years ago
8

Pls help it due ASAP. Please show workings It due in a hour....

Mathematics
1 answer:
castortr0y [4]4 years ago
5 0

Answer:

C. \frac{4}{5}

Step-by-step explanation:

In order to find the slope knowing two points, use the slope formula \frac{y_2 - y_1}{x_2-x_1}. x_1 and y_1 represent the x and y values of one point the line intersects, and x_2 and y_2 represent the x and y values of another point the line intersects.

Knowing this, use the points (-4, -4) and (6, 4) for the formula. Substitute -4 for x_1, -4 for y_1, 6 for x_2, and 4 for y_2. Then, simplify:

\frac{(4) - (-4)}{(6) - (-4)} \\= \frac{4+4}{6+4} \\= \frac{8}{10} \\= \frac{4}{5}

Thus, \frac{4}{5} is the slope of the line.

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If p(x) = x2 – 1 and 9(x) = 5(x-1), which expression is equivalent to (p - 9)(x)?
Westkost [7]

For this case we have the following functions:

p (x) = x ^ 2-1\\9 (x) = 5 (x-1)

We must find (p-9) (x). By definition of composition of functions we have:

(p-9) (x) = p (x) -9 (x)

So:

(p-9) (x) = x ^ 2-1- [5 (x-1)] = (x ^ 2-1) -5 (x-1)

Thus, the correct option is option C.

Answer:

(x ^ 2-1) -5 (x-1)

Option C

4 0
3 years ago
Three consecutive integers are n, n+1, and n+2.
Vera_Pavlovna [14]
<span>We convert the sentences to mathematical expressions as follows


"</span>Four times the sum of the least and greatest integers" : 4[n+(n+2)]

"is 12 less than three times the least integer": = 3n-12



So we have:

4[n+(n+2)]=3n-12   (this is the equation)

4[2n+2]=3n-12
8n+8=3n-12

8n-3n=-12-8
5n=-20

n=-20/5=-4


Answer: the equation is 4[n+(n+2)]=3n-12 , the least integer is -4
8 0
3 years ago
Please help me i gotta get this finished... :P
Llana [10]

Answer:

A) it depends. If they bought 10 calculators, we would multiply 31.25 by 10. 31.25x10=$312.50

B)Divide 500 by 31.25. Since each calculator is $31.25, we divide $500 by it to see how many they can buy with $500. 500/31.25=16

Step-by-step explanation:

*GIVE FREE COOKIE*

5 0
3 years ago
Help please!!!!!! <br> Explain
Fantom [35]
It would equal -6 based on the math I did
7 0
4 years ago
Using appreciate property -2/3 × 3/5 + 5/2 - 3/5 × 1/6 ​
o-na [289]

Answer:

The answer for your question is 2.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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