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Mrac [35]
3 years ago
7

Find the product. (4p – 6)(4p + 6)

Mathematics
2 answers:
umka2103 [35]3 years ago
8 0
16p^2-36 should be your answer
masha68 [24]3 years ago
7 0

Answer:

The product of (4p – 6)(4p + 6) is ( 16p² - 36 )

Step-by-step explanation:

Let first number is, n₁ = ( 4p - 6 )

Second number is, n₂ = ( 4p + 6 )

We have to find the product of above two numbers. It can be calculated using algebraic identities as :

(a-b)(a+b)=a^2-b^2

In given question, a = 4p and b = 6

So, the product of above two numbers is :

(4p-6)(4p+6)=(4p)^2-(6)^2=16p^2-36

So, the product of (4p – 6)(4p + 6) is ( 16p² - 36 ). Hence, this is the required solution.                  

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For her birthday, Kendra received a gift card in the mail from her grandparents. The gift card was worth $50. Kendra thought, si
otez555 [7]

Answer:

She lost $15 on her 50 dollar credit card.

Step-by-step explanation:

Kendra received a gift card in the mail from her grandparents. The gift card was worth $50.

Kendra forgot all about the gift card, and the card loses $5 every month after its date of purchase if it has not been used.

Kendra loses $5 each month,

She forget the card for 3 months.

So, Multiply the $5 by 3 months

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Hence, she lost $15.

6 0
3 years ago
1) What is the difference in water pressure between the top and bottom of a 200-m deep<br> well?
ELEN [110]

Answer:

1,960 kPa

Step-by-step explanation:

The pressure difference between two places with different height can be calculated by using Bernoulli's principle. The principle can be used to find moving fluid, but since the water inside well is static we can remove the part with velocity. You also need to know the density of water, which is 1000 kg/m3. Assuming gravity unit is 9.8 m/s^{2}, the calculation will be:  

P1+ ρgh1 = P2 + ρgh2

P2 -  P1= ρgh2 -ρgh1

P2 - P1= (1000 kg/m3) * (9.8 m/s^{2},) * 200m - (1000 kg/m3) * (9.8m/s^{2},) * 0m

P2 - P1= 1,960,000 kg/ms^{2} = 1,960 kPa

200m deep well has 1,960 kPa higher pressure

 

6 0
3 years ago
Bookstore sells book in excellent condition for $2.50 and in fair condition for $0.50 . Write an expression for cost of buying x
alexdok [17]
X = excellent condition books
y = fair condition books

2.50x + 0.50y <== ur expression
8 0
3 years ago
Please answer and explain
Ludmilka [50]

Answer:

C

Step-by-step explanation:

They are trying to deceive you into not choosing the star that is largest when written as 10^17.

When you rewrite the givens so that the power is 10^17 then the table will look like this.

1.76 * 10^17

2.213 * 10^17

3.142 * 10^17

1.255 * 10^14

It obviously isn't D.

It should be C

7 0
3 years ago
Sally organizes data in a table to show the net change in the number of people subscribing and unsubscribing to her newsletter e
lord [1]

Answer:

I have the same problem as you

Step-by-step explanation:

4 0
2 years ago
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