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SpyIntel [72]
2 years ago
9

You design the wooden poster frame and paint the front surface a. write a polynomial that represents the area of the wood you pa

int b. you design a frame to display a 16 inch by 20-inch poster. how much wood do you paint? the frame is (3x+12) inches by (4x+4) inches
plz help this is a test rip
Mathematics
1 answer:
Brilliant_brown [7]2 years ago
7 0
A= 12x^{2} +60x+48 - 320 or A= 12x^{2} +60x - 272
mutiply the sides together to get a value and subtract the inside area of the frame to find the area.
Frame

 12x^{2} +60x+48
Area inside
16*20 = 320

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Bonita is testing prototype model rocket engines. To be considered a successful launch, the rocket must reach a height of at lea
lbvjy [14]

Answer:

(0, 33)   : Yes

(4.8,  30.5)  : Yes


Step-by-step explanation:

height of at least 24 ft :  y >= 24

horizontal distance of no more than 10 ft. : 0 <= x <= 10

The vertical height must be at least three times as high as the horizontal distance. No rocket should go higher than 33 ft.:

y >=  3x and y <= 33

So Constraints:

24 <= y <= 33

y >= 3x

0 <= x <= 10

Now check to see if those coordinate points meet all the constraints

(0, 33)   : Yes

(4.8, 30.5)  : Yes

(9, 26)  : No (because 26 is less than (3 * 9) = 27)

(4, 36) : No (because 36 > 33,  must be 24 <= y <= 33)

(2, 22): No (because 22 <24,  must be 24 <= y <= 33)

5 0
2 years ago
Lou started his savings account with 50$ he now only has 31$. What percent of change did his savings account have?
vladimir1956 [14]

Answer:

Step-by-step explanation:

50 - 31 = 19

38%

4 0
1 year ago
Everglades National Park is 225 mi long. What scale is needed to draw a map of Everglades National Park that is 10 in. long?
shusha [124]

Answer:

A. 1 in. = 22.5 mi

Step-by-step explanation:

Since 22.5 x 10 = 225, we can conclude that this will fit the scale needed. B. is incorrect because it is simply illogical in context with a scale and the question. C. is incorrect since 10 x 0.04 is 0.4, which does not equal 10. D. is incorrect since we need the scale to add up to equal 225 mi, not 22.5.

Hope this helps!

7 0
2 years ago
Which function has the domain x&gt;or= -11
iogann1982 [59]
I'm assuming this is multiple choice and you forgot to post the answers. I'll take a guess and say it probably looks something like this:
y = \sqrt{x + 11}
Because you can't take the square root of a negative number without getting an imaginary result, resulting in the function having a closed domain limit.
6 0
2 years ago
What did the electrician say to his daughter when she came home at 2am
yaroslaw [1]

Answer:

Check Below!!

Step-by-step explanation:

This is basically a cool joke.

When we are talking about electricians, we think about

wires, ohms, resistors, insulator, conductor etc.

Since electrician will say something to her daughter who came home LATE AT NIGHT (2am), the joke needs to go hand-in-hand.

Thus, the electrician said:

"Why are you insulate?"

<em>which would mean, why are you in so late?</em>

<em />

<em>HAHA, Good Laugh!</em>

<em>Thanks</em>

4 0
2 years ago
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