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VMariaS [17]
2 years ago
15

Factor completely. 81x^2+180x+100=81x

Mathematics
1 answer:
Ilya [14]2 years ago
3 0

Answer:

There is no solution :/

Step-by-step explanation:

81x^2+180x+100=81x

Step 1: Subtract 81x from both sides.

81x^2+180x+100−81x=81x−81x

81x^2+99x+100=0

For this equation: a=81, b=99, c=100

81x^2+99x+100=0

Step 2: Use quadratic formula with a=81, b=99, c=100.

x= −b±√b2−4ac/ 2a

x= −(99)±√(99)2−4(81)(100) /  2(81)

x= −99±√−22599/162

So you see... no solution

Hope this helps!

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It takes 10 pounds of potatoes to make 15 pounds of mashed potatoes. At this rate:
shusha [124]

Answer:

The answer is: A. 22.5 lbs or 22 and a half lbs of mashed potatoes. B. 33 1/3 lbs of potatoes.

Step-by-step explanation:

The ratio of potatoes is 1.5.

10 lbs potatoes * 1.5 = 15 lbs mashed

So 15 lbs potatoes * 1.5 is: 22.5 lbs mashed potatoes.

Divide 50 lbs mashed potatoes by 1.5 to find how many potatoes are needed:

50/1.5 = 33 1/3 lbs of potatoes.

7 0
3 years ago
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Pablo needs 9,000 mL of soda for a
Elza [17]

Answer:

\$18

Step-by-step explanation:

Convert milliliters to liters using the conversion 1,000\:\mathrm{ml}=1\:\mathrm{l}:

9,000\text{ ml}=9\text{ l}.

Since the grocery store sells soda for $2 per liter, Pablo needs 9\cdot \$2=\boxed{\$18} to buy the soda.

3 0
2 years ago
Plz help me ASAP thxs.
mars1129 [50]

Answer:

A, B

Step-by-step explanation:

5 quarts = 160 fluid ounces

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4 0
3 years ago
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HELP! What is the answer? (NO EXPLANATION NEEDED!)
Iteru [2.4K]
$50.08, I think. Because you can substitute 3x = $75.12 and solve for x
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A car traveling at a certain speed will travel 76 feet per second. How many miles will the car travel in 3.1 hours if it maintai
zepelin [54]
So the asnwer is 848,160

First u had to find how many feet go into 1 minute. So
76x60 = 4,560 feet per minute.
And to know how much it goes into one hour, we multiply:
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So 273,600 is how many in one hour.
So we multiply that by 3.1:
273,600 x 3.1 = 848,160
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2 years ago
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