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3 years ago

Factor the Expression and choose the correct answer from the choices below.

1 answer:

3 0

The answer is (5p+6q)(5p-6q)
Steps:
Apply difference of the squares rule: x^2-y^2=(x+y)(x-y)
25p^2-36q^2=(5p+6q)(5p-6q)

Hope this helps you! (:
-PsychoChicken4040

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Solve the problem.

skad [1K]

Answer:

The population reaches 42,336 fish in 2258

Step-by-step explanation:

Given:

$P = 0.62x^2 - 0.043x + 3$

To Find:

Time taken to reach 42,336 = ?

Solution:

According to the question x is the number of years after which the population .

Then

$42336 = 0.62x^2 - 0.043x + 3$

$0 = 0.62x^2 - 0.043x + 3- 42333$

$0.62x^2 - 0.043x -42333$ = 0

Solving using quadratic formula

$x =\frac{ -b\pm \sqrt{b^2 -4ac}}{2a}$

$x =\frac{ -(-0.043)\pm \sqrt{(-0.043) -4(0.62)(42333)}}{2(42333)}$

$x =\frac{ -(-0.043)\pm \sqrt{(0.001849) -0.10664}}{84666}$

x=261.337 x=−261.268

Neglecting the negative value we get

x = 261.337

x = 261 approx

261 years after 1997 = 2258

5 0

4 years ago

There is a bag filled with 3 blue and 4 red marbles.

Tasya [4]

Answer:

here

Step-by-step explanation:

The probability of getting 1 red is 4/7. The probability of getting 2 reds in a row is (4/7)^2 = 16/49.

4 0

3 years ago

The disease known commonly as the Black Death is actually three illnesses. true or false

Ray Of Light [21]

Answer:

True

Step-by-step explanation:

There are three forms of plague in humans: bubonic plague, septicemic plague, and pneumonic plague. The signs and symptoms of plague generally develop between two and seven days after a person acquires the infection.

6 0

3 years ago

Find the SUM on a compound interest basis on $10,000 for 2 years at 7% pa (with explanation)

Mariulka [41]

Answer:

11449

Step-by-step explanation:

A=P(1+r)t

Follow the steps of the formula.

7 0

4 years ago

darryl spent $276 on books. math books cost $21 and English books cost $30. if he bought a total of 11 books how many of each ki

nata0808 [166]

6 math books would be 126
5 English books would be 150
126+150=276

6 0

4 years ago