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3 years ago

Did I get it right it’s number 7

Mathematics

2 answers:

Damm [24]3 years ago

3 0

The answer is 804.25 ft squared

Goryan [66]3 years ago

3 0

Yes, you're correct. pi*16^2 is around 804-5, depending on rounding. the diameter of the circle is the side length of the square, so it's thirty two. 32 squared is the square's area, which is 1024. 1024 minus approx. 804 is 220,so you are correct.

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Solve these simultaneous equations 2x+3y=13 4x-y=-2

Neko [114]

X = 1/2 y = 4 by elimination

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3 years ago

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Ruben bought 6 new books for his collection. This increased his collection by 12%. How many books did he have before his purchas

Olin [163]

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3 years ago

Brand Number of Packets Cost

mash [69]

Brand 2 is the best value ⇒ B

Step-by-step explanation:

Let us write the Brand, Number of Packets and Cost

→ Brand : Number of Packets : Cost
→ 1 : 12 : $10.68
→ 2 : 16 : $9.44
→ 3 : 18 : $15.30
→ 4 : 24 : $21.84
→ 5 : 30 : $20.40

We need to find what brand is the best value

To find that let us find the price of each packet in each brand, by dividing the price of the brand by the number of the packets, the cheapest price is the best

∵ Brand 1 has 12 packets

∵ The price of Brand 1 is $10.68

∴ The price of each packet = 10.68 ÷ 12 = 0.89

∴ The price of each packet in Brand 1 is $0.89

∵ Brand 2 has 16 packets

∵ The price of Brand 2 is $9.44

∴ The price of each packet = 9.44 ÷ 16 = 0.59

∴ The price of each packet in Brand 2 is $0.59

∵ Brand 3 has 18 packets

∵ The price of Brand 3 is $15.30

∴ The price of each packet = 15.30 ÷ 18 = 0.85

∴ The price of each packet in Brand 3 is $0.85

∵ Brand 4 has 24 packets

∵ The price of Brand 4 is $21.84

∴ The price of each packet = 21.84 ÷ 24 = 0.91

∴ The price of each packet in Brand 4 is $0.91

∵ Brand 5 has 30 packets

∵ The price of Brand 5 is $20.40

∴ The price of each packet = 20.40 ÷ 30 = 0.68

∴ The price of each packet in Brand 5 is $0.68

∵ The least price of a packet is in Brand 2

∴ The cheapest price is Brand 2

Brand 2 is the best value

Learn more:

You can learn more about the word problems in brainly.com/question/2686310

#LearnwithBrainly

8 0

3 years ago

Complete the statements about calculating mean using the data set: 4, 6, 1, 9, 12, 3, 11,2

ryzh [129]

Answer: 6

Order the Numbers

Before: 4, 6, 1, 9, 12, 3, 11, 2

After: 1, 2, 3, 4, 6, 9, 11, 12

Add

1+2+3+4+6+9+11+12=48

Sum: 48

Divide

48÷8=6

Mean: 6

8 0

3 years ago

Please help this is my 3rd time asking :(

Vesna [10]

Answer:

D. the lines never intersect

Step-by-step explanation:

3 0

3 years ago