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EastWind [94]
3 years ago
15

Francine has a picture whose length is its width. She wants to enlarge the picture to have an area of 192 in2. What will the dim

ensions of the enlarged picture be? Model the scenario and solve. Then, explain in at least one sentence your solution and include the reasonableness of your solution.
Mathematics
1 answer:
8_murik_8 [283]3 years ago
6 0
1. The measures of the length and the width of the picture are equal, so the picture is square shaped.

2. The enlarged picture will still be a square, since when we enlarge, we enlarge all distances with the same factor.

3. Let the dimensions of the large picture be a (length) by a (width)

4. Area of picture = a^{2}=192  in^{2}

a= \sqrt{192} =   \sqrt{16*12}= \sqrt{16*4*3}=4*2* \sqrt{3}=8\sqrt{3} (feet)

Answer: the dimensions are 8\sqrt{3} (feet) by 8\sqrt{3} (feet)
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What is the sum of interior angles of a convex nonagon
zmey [24]
A nonagon has 9 sides, so n = 9

S = sum of the interior angles
S = 180*(n-2)
S = 180*(9-2)
S = 180*7
S = 1260

Answer is choice B
8 0
3 years ago
In a certain store, the regular price of a refrigerator is$600. How much money is saved by buying this refrigeratorat 20 percent
Ira Lisetskai [31]

Correct option is A. Money saved is  ′ $6 ′ .

Given

Regular price of the refrigerator = $600

i) Buying the refrigerator at 20 percent off regular price

Final Discount in this case = 20% (Regular price of the refrigerator)

= 20 / 100 × 600

​= $120

ii)  Buying it on sale at 10 percent off regular price and an additional 10 percent off sale price

Discount for the sale = 10% (Regular price of the refrigerator)

=  10/100  × $600

= $60

Sale price of the refrigerator = Regular price of the refrigerator − Discount for sale

= $600 − $60

= $540

Final Discount in this case = 10% (Sale price of the refrigerator)

= 10/100​  × $540

= $54

Money saved if we buy as (case−i) = (Final Discount in (case.i)) − (Final Discount in (case.ii))

= $60 − $54

= $6

Therefore, Money saved is  ′ $6 ′ .

To learn more about percentage from given link

brainly.com/question/24304697

#SPJ4

4 0
1 year ago
Please Help Me ASAP I Need Real Help
alekssr [168]
I think it’s A. Hope it’s right. Sorry if it’s wrong.
7 0
2 years ago
Can someone pls help me
Agata [3.3K]

Answer:

A triangle

Step-by-step explanation:

Please mark me as brainliest

6 0
3 years ago
How do u find the percentage change (profit or loss)
Lelu [443]

Answer:

If the answer helps you PLEASE mark me as brainliest

Stay Safe,Stay Healthy and Stay Happy

5 0
3 years ago
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