Mathematics High School

Felix surrounds a 12 in. by 8 in. photo with a frame that is x inches wide. Which quadratic function represents the combined area A of the picture and the frame?

A. A(x) = x^2 + 20x + 96

B. A(x) = x^2 + 40x + 96

C. A(x) = 4x^2 + 20x + 96

D. A(x) = 4x^2 + 40x + 96

Answers

Answer 1

Answer:

D: A(x) = 4x² + 40x + 96

Step-by-step explanation:

Dimensions of photo is;

Length; L = 12 inches

Width; W = 8 inches

Now, this picture is surrounded by a frame that is "x" inches wide. Thus, new dimensions are;

L_new = 12 + x + x = 2x + 12

W_new = 8 + x + x = 2x + 8

New area is;

A_new = (2x + 12) × (2x + 8)

A_new = 4x² + 24x + 16x + 96

A_new = 4x² + 40x + 96

Related Questions

Rewrite the fraction as a decimal: 8/25

A. 3.2 repeating decimal

B. 32

C. 0.32 repeating decimal

D. 0.32

(please explain how to do it)​

Answers

Answer:

Answer is D.0.32

Step-by-step explanation:

Divide 8 by 25

8 divided by 25 is dividing the numerator of the fraction 8/25 by the denominator 25.

8÷25=0.32

0.32 is 8/25 in decimal form because fractions are converted into decimal form by dividing the numerator by the denominator.

I hope this helps!

simplify each expression 6X + 2x​

Answers

8x
Hope that helps
......

PLS HELP ME ASAP I DONT HAVE TIME. IT ALSO DETECTS IF ITs RIGHT OR WRONG.

Answers

Answer:

B. 1.828 meters

Step-by-step explanation:

Multiply and completely simplify: (4x+6) (x-1) PLEASE HELP NOW

Answers

Answer:

-2.333333333

Step-by-step explanation:

help pls thank you :)))$$:$:

Answers

Answer:

C.

Step-by-step explanation:

please mark me brainliest!!

Answer:

The answer is A

Step-by-step explanation:

Denominator *100* is higher

Help please!!!!!!
Explain

Answers

It would equal -6 based on the math I did

8. 0.399 + w = 0.4
Please help!

Answers

Answer:

w = 0.001

Step-by-step explanation:

question:
8.0399+w= 0.4

answer:
w= -7.6399

Select all the expressions that are equivalent to 4×4×4×4×4.

Answers

Answer:

1,024

Step-by-step explanation:

Answer:

4⁵

=1024

=1.024×10³

A box of 15 cookies cost $9. What is the cost for 1 cookie

Answers

Answer:

$0.60

Step-by-step explanation:

given :

15 cookies ---------> Costs $9

1 cookie -------> Costs $9 ÷ 15 = $0.60

Answer:

The answer is 60 cents

A cone with the same base but a height 3 times taller than the given cylinder exists. What is the volume of each figure? Express your answers in terms of pi.

Volume of the cylinder = pi
Volume of the cone = pi

Answers

Answer: the answer to this problem is 36 :)

Answer:

Both are 36

Step-by-step explanation:

I just did it

A movie theater charges \$10.50$10.50dollar sign, 10, point, 50 per ticket and \$5$5dollar sign, 5 per bucket of popcorn. You never buy the popcorn because you think it's too expensive.
Is the total price you pay proportional to the number of tickets you buy?

Answers

Answer:

yes

Step-by-step explanation:

Let's make a table to see the total price for different numbers of tickets.

Number of tickets 111 222 333

Total price \$10.50$10.50dollar sign, 10, point, 50 \$21$21dollar sign, 21 \$31.50$31.50dollar sign, 31, point, 50

Hint #22 / 4

For each number of tickets bought, let's write the relationship of total price to number of tickets as a ratio in simplest form.

\dfrac{\$10.50}{1} = \$10.50 ~~~~~~~~~\dfrac{\$21}{2} = \$10.50 ~~~~~~~~~\dfrac{\$31.50}{3} = \$10.50  

1

$10.50

​  

=$10.50          

2

$21

​  

=$10.50          

3

$31.50

​  

=$10.50start fraction, dollar sign, 10, point, 50, divided by, 1, end fraction, equals, dollar sign, 10, point, 50, space, space, space, space, space, space, space, space, space, start fraction, dollar sign, 21, divided by, 2, end fraction, equals, dollar sign, 10, point, 50, space, space, space, space, space, space, space, space, space, start fraction, dollar sign, 31, point, 50, divided by, 3, end fraction, equals, dollar sign, 10, point, 50

Hint #33 / 4

All of the ratios between the two quantities can be simplified to \$10.50$10.50dollar sign, 10, point, 50, so the quantities are proportional.

Hint #44 / 4

The answer: Yes

Answer:

yes

Step-by-step explanation: Khan

1/2x + 7 = x + 13

What is the value of x, will give brainliest to first answer

Answers

Answer:

x = -12

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

Which expression is equivalent to ?

Answers

Answer:

2x Y,

Step-by-step explanation:

Answer: 2x^10y^12

Step-by-step explanation:

the second one.

60/30 = 2

x^20 - x^10 = x^10

y^24 - y^12 = y^12

When completing an online shopping transaction, a typical shopper takes 6 seconds to
select each product and another 14 seconds to complete the check-out process. How long
does it take to complete a transaction with 5 products?

Answers

Answer:

100

Step-by-step explanation:

6 seconds to select + 14 seconds to complete check out

to complete transaction order of 5 products equal 100 second


Are the ratios 12/4 and 3/1 equivalent
yes
Or
no

Answers

Answer: yes

Step-by-step explanation:

12    3

4     1

to get to 3 from 12 you divide by 4 and to get from 4 to 1 you also divided by 4

What is the answer to: y= 2x^2+6 axis of symmetry and vertex?

Answers

Answer:

v (0,6) and it's symmetrical to y axis

Why would a pacifier represent your past

Answers

Answer:

maybe?

Step-by-step explanation:

I am not sure

pls help me asap!!! ​

Answers

Answer:

I think 6 1/2? srry if wrong

Math equation with its graph

a) y=3x+2

b) y= -x+5

c) y= 2x-1

d) y= -4x

See picture attached

Please help

Answers

Answer:

y=3x+2 to B

y=-x+5 to D

y=2x-1 to C

y=-4x to A

What is the slope of the line: y = 2x - 1?​

Answers

Answer:

m=2

Step-by-step explanation:

tara has two bags of marbles. the first bag contains 6 red marbles, 5 blue marbles and 4 green marbles. the second bag contains 3 red marbles, 2 blue marbles, and 4 green marbles. tara will randomly select 1 marble from each bag. what is the probability that tara will select a blue marble from each bag.
​

Answers

Answer:

From the first bag the probability is 5 out of 15 or 1/3 simplified

The second bags probability is 4 out of 9

All the bags combined the probability is 9 out of 24

Step-by-step explanation:

The probability should be set up by putting the blue marbles as the numerator and the sum of all the marbles combined for the denominator

With everything said all you have to do is figure out the two steps an you’re good to go

Is either x = 18 or x = 14 a solution to x – 8 < 9? A. They are both solutions B. x = 18 is a solution, but x = 14 is not ОО O C. Neither is a solution D. X= 14 is a solution, but X-18 is not​

Answers

Answer:

Answer is D

Step-by-step explanation:

u have two given values of x

x=18 and x=14

put them in the given equation x-8<9

1.FIRST put x = 18

that is (18)-8<9

10<9--->THIS IS INCORRECT BECAUSE 10 IS MORE THAN 9

2.SECOND put x = 14

that is (14)-8<9

6<9---->THIS IS CORRECT SINCE 6 IS LESS THAN 9.

On Friday, 2/3 of the pizzas sold at a local pizzeria were larges. Of the large pizzas, 1/5 were cheese pizzas. What portion of the pizzas sold were large cheese pizzas?

Answers

2/15 of the pizza sold was large cheese pizza

What can you infer from the fact that global warming has only been a problem for the last 100 years or so?

Answers

Answer:

All i infer is that first, it is called climate change, and second, climate change has nothing to do with math, and third, climate change is mostly from human pollution.

Step-by-step explanation:

Cost of a lizard: $36.50
Markup: 70%
Discount: 53%

Can anyone answer this with work or a detailed explanation? I think I’ve got the answer but I want to be sure.

Answers

Answer:

Cost after markup = $62.05

Cost after discount = $29.18

Step-by-step explanation:

It is given that:

Cost of lizard = $36.50

Mark up = 70% = 70/100 = 0.7

Markup = 0.7 * 36.50

Markup = $25.55

Cost after markup = 36.50 + 25.55 = $62.05

Discount = 53%

Discount = 0.53 * 62.05

Discount = $32.87

Price after discount = 62.05 - 32.87 = $29.18

Therefore,

Cost after markup = $62.05

Cost after discount = $29.18

Question Help

A forest covers 44,000 acres. A survey finds that 0.3% of the forest is old-growth trees. How many
acres of old-growth trees are there?

Answers

Answer:

8,600 acres are old growth treees

Step-by-step explanation:

Here's The answer have a great day ♡ :)

Please answer this question it's easy

Answers

Answer: He is correct

Step-by-step explanation:

25% is equal 25/100 which simplified to 1/4

What is the length of AD?

Answers

Answer:

So, We Need To Write An Equation To Find This:

AD = lAl + lDl Step-by-step explanation:

AD = l-7l + l8l

l-7l= 7.

AD = 7 + 8

7+8 = 15

AD = 15 So, AD = 15. This Means That The Answer Is B.

Which expression is represented by the model shown?
​

Answers

Answer: 2k+5

Explanation: There are 2 K’s, so this means that this would be written as 2K. There are also 5 1’s. If we add the 1’s altogether, we would get 5. we write this as an expression, so it would equal 2k + 5, or two K’s and 5 1’s.

I hope this helped!

Answer:

2k+5

Step-by-step explanation:

I need help.... Quickly!

Answers

Answer:

Rectangle Y.

Step-by-step explanation:

Find the perimeter of both rectangles.

If you want to find rectangle X, the breadth of the rectangle but the length of it isn't the same since it has been shortened, and since it covers half of the card for length...

Length = 14 ÷ 2 = 7cm

Perimeter = 6cm + 6cm + 7cm + 7cm = 26cm (Rectangle X)

Now, let's find perimeter for rectangle Y.

The length for the rectangle is the same as it isn't shortened or anything else, but the breadth is different as it have been shortened, since it covers half of the card for breadth...

Breadth = 6 ÷ 2 = 3cm

Perimeter = 3cm + 3cm + 14cm + 14cm = 34cm

(Rectangle Y)

Explaination: Rectangle Y will have the longer perimeter, (add in the solution that I wrote for rectangle X and Y)

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