2 years ago

What is the answer to this question? Please

Mathematics

1 answer:

AnnZ [28]2 years ago

7 0

Answer:

y² + 8y + 16

Step-by-step explanation:

Given

(y + 4)²

= (y + 4)(y + 4)

Each term in the second parenthesis is multiplied by each term in the first parenthesis, that is

y(y + 4) + 4(y + 4) ← distribute both parenthesis

= y² + 4y + 4y + 16 ← collect like terms

= y² + 8y + 16

You might be interested in

What is 15% of 60 show your work to prove your answer

Mila [183]

<span>To convert a percentage to a decimal you move the decimal two places to the left. Therefore:

15.% becomes .15

You then multiply this decimal to the number you are trying to find the percentage of.

.15 × 60 = 9.

9 is 15% of 60.
</span>

3 0

2 years ago

Read 2 more answers

Mike's grandmother opened a savings account in Mike's name and deposited some money into the account. The account pays an annual

Snowcat [4.5K]

SI = prt/100
1440 = (p*9*8)/100
⇒p=2000

7 0

2 years ago

The length of a rectangle is 5t+6 and its height is t^6 , where t is time in seconds and the dimensions are in inches. Find the

Nataly_w [17]

$\bf \textit{area of a rectangle}\\\\
A=l\cdot w\qquad 
\begin{cases}
l=length\\
w=width\\
-----\\
l=5t+6\\
w=t^6
\end{cases}\implies A(t)=(5t+6)t^6
\\\\\\
A(t)=5t^7+6t^6\implies \cfrac{dA}{dt}=35t^6+36t^5$

7 0

2 years ago

the price of a 14 oz box of crackers is $2.94. the price of a 20 oz box is $3.60. what is the difference in price per ounce ?

solong [7]

Answer:

The difference in price per ounce of the boxes is $0.03 or 3 cents.

Step-by-step explanation:

Divide each dollar amount by the ounces. The answer to $2.94 divided by 14 is 21 cents. $3.60 divided by 20 is 18 cents. Subtract 18 cents from 21 cents to get 3 cents.

4 0

3 years ago

Read 2 more answers

Help me plsssssssssssss

Zinaida [17]

Answer:

40mph

Step-by-step explanation:

(60mph+20mph)/2

7 0

3 years ago