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pashok25 [27]
3 years ago
5

I need help....................

Mathematics
1 answer:
inysia [295]3 years ago
3 0
10-200

12-240

15-300

21-420
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Plz.. Help me.. True or false?
zimovet [89]

Answer:

\boxed{\mathrm{False}}

Step-by-step explanation:

(p-q)^2

(p-q)(p-q)

Use <em>FOIL</em> method.

p^2-pq-pq +q^2

p^2-2pq +q^2

6 0
3 years ago
PLZ HELP WITH THIS QUESTION!
Bad White [126]

Answer:

D

Step-by-step explanation:

Given the quadratic

d = - 16t² + 12t ← subtract d from both sides

- 16t² + 12t - d = 0 ← in standard form

with a = - 16, b = 12, c = - d

Use the quadratic formula to solve for t

t = ( - 12 ± \sqrt{12^2-(4(-16)(-d))}) / - 32

 = ( - 12 ± \sqrt{144-64d}) / - 32

 = ( - 12 ± \sqrt{16(9-4d)}) / - 32

 = ( - 12 ± 4\sqrt{9-4d}) / - 32

 = \frac{-12}{-32} ± \frac{4}{-32}\sqrt{9-4d}

 = \frac{3}{8} ± \frac{1}{8}\sqrt{9-4d}

 = \frac{3}{8} ± \frac{\sqrt{9-4d} }{8} → D

8 0
3 years ago
Given the function f(x) = x2 and k = 3, which of the following represents the graph becoming more narrow? A. f(x)+k
Neko [114]
<span>The only type of transformation that can make a graph more narrow/wide is a scaling transformation. A scaling transformation involves a multiple factor. The answer to your question is B. </span>I hope that this is the answer that you were looking for and it has helped you.
4 0
3 years ago
Read 2 more answers
Solve 2x2 + x − 4 = 0.<br><br><br> x^2 + ____x+____ = 0
alisha [4.7K]

Kate: Please, for clarity, use " ^ " to denote exponentiation: 2x^2 + x − 4 = 0


And please include the instructions.


2x^2 + x − 4 = 0 can be re-written: 2(x^2 + (1/2)x - 2) = 0


Dividing both sides by 2 results in x^2 + (1/2)x - 2 = 0


Let's "complete the square:" x^2 + (1/2)x + (1/4)^2 - (1/4)^2 = 0


Then (x+(1/4))^2 = (1/4)^2


Taking the sqrt of both sides: x+1/4 = plus or minus 1/4


Solving for x: x = -1/4 plus or minus 1/4


Solving for x (continued): x = 0 and x = -1/2

3 0
3 years ago
Read 2 more answers
X/5=-7 solve for x <br> Worth 10 points
Yuri [45]

Answer:

x = -35

Step-by-step explanation:

multiply both sides by 5

5x/5 = 5(-7)

simplify

x = -35

6 0
3 years ago
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