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stealth61 [152]
4 years ago
15

Need answer before 8pm!!!

Mathematics
1 answer:
Gennadij [26K]4 years ago
4 0

Answer:

28.9

Step-by-step explanation:

Using cosine, we get the equation cos(21)=x/31. Solving cos(21), we get about 0.933. Then we multiply by 31 to get about 28.9.

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podryga [215]

Answer: A horseshoe weighs 8.2 ounces The nails in the horseshoe weigh 0.12 ounces.

Step-by-step explanation: B should be your answer have a great day :)

8 0
3 years ago
Read 2 more answers
Is 20 hundredths equal to 2 thousandths
tester [92]
Hello, you are asking of 20 hundredths are equal to 2 thousandths.

First of all, 1 thousandth = 1/1000 = 0,001

So, 2 thousandths = 2/1000 = 0,002

And 1 hundredth = 1/100 = 0,01

So, 20 hundredths = 20/100 = 0,2

0,2 is ≠ 0,002

So 20 hundredths are not equal to 2 thousandths
8 0
4 years ago
Find the missing coordinate if the ordered pair is to be a solution to the equation 3x + y = 9: (?,-9)
maksim [4K]
X equals 6

hope this helps just plug in the y value int the equation and solve


6 0
3 years ago
(a) Boris runs 4 miles in 38 minutes. How many miles does he run per minute?
Eva8 [605]
(a) 0.105 miles per minute
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5 0
3 years ago
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lisov135 [29]

Answer:

15: Yes, no, yes, yes, no; 16A: C = ($0.29)X + ($1.45)Y + ($2.50)Z; 16B: Yes

Step-by-step explanation:

For question 15: We need to multiply the widths and lengths given to see if they equal the area we are trying to achieve. Therefore, some of them work, and some do not.

For question 16:

Part A: We'll set a variable for the number of each supply she can buy. Pencils will be represented by X, pens by Y and Notebooks by Z, and we'll represent total cost by C. The total cost will therefore be represented by C = ($0.29)X + ($1.45)Y + ($2.50)Z.

Part B: We'll plug the numbers of items she wants to buy into our formula and see if it comes out to less than $20. So in this case C = ($0.29)(3) + ($1.45)(4) + ($2.50)(2). Therefore, C = $11.67, which is less than $20, so she can afford her school supplies.

8 0
3 years ago
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