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Mars2501 [29]
3 years ago
12

It costs $3.45 to buy 1/2 lb. of chopped walnuts. How much would it cost to purchase 7 lbs. of walnuts?

Mathematics
2 answers:
Rasek [7]3 years ago
8 0

Answer:

3.45/0.5= 6.9

6.9*7=48.3

Step-by-step explanation:

e-lub [12.9K]3 years ago
5 0

Answer:It would cost $48.3

Step-by-step explanation:7 lb is 14 times 1/2 lb. If you want to figure out the price youd multiply 3.45 by 14 as well. Youd get 48.3 in that case

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Which value of x makes the equation 0.75(x + 20) = 2 + 0.5(x − 2) true?​
rodikova [14]
You’d have to solve your equations!

they’d be the same when x=-56

and when x=-56 they’d BOTH equal -27

8 0
2 years ago
3. Given PQ = 7x - 3 and QR = 32 – 2x and PR = 59. What is the value of x? What is the value of PQ? What is the value of QR? Be
olga2289 [7]

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5 0
2 years ago
Read 2 more answers
8. A right cone has a volume of 8,579 m3 and a radius of 16 m. Find its altitude.
Monica [59]

Answer:

Option A is correct.

Step-by-step explanation:

The formula used for finding the volume of right cone is:

Volume of Right cone = (1/3)π.r².h

We need to find altitude i.e h

Volume of cone=V = 8579 m^3

Radius=r = 16m

Altitude =h =?

Putting values,

8579 = (1/3) * 3.14 * (16)^2*h

8579 = 1/3 * 3.14 * 256 *h

8579 = 267.95 * h

=> h = 8579/267.95

h = 32.0 m

So, Altitude of right cone is 32.0 m

Option A is correct.

4 0
3 years ago
Give a correct interpretation of a 99% confidence level of 0.328 < μ < 0.486.
stepladder [879]

Answer:

D

Step-by-step explanation:

Lower bound of the population mean is 0.328

Upper bound of the population mean is 0.486

Confidence level is 99%

Therefore, the correct interpolation of the confidence interval is that we are 99% confident that the true value of the population mean is between 0.328 and 0.486

5 0
3 years ago
What is 40% of $910?
borishaifa [10]

910*0.4=364

So the anwser is $ 364

8 0
3 years ago
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