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3 years ago

14

Tiffany answered 87% of the questions on her math test correctly. There were 50 questions on the test. How many questions did ti

ffany answer correctly?

1 answer:

laiz [17]3 years ago

3 0

Answer:

Step-by-step explanation:

Change 87% to its decimal form: .87

Take 50 and multiply it by .87

43.5 is the answer (if you have to round it is 44)

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If 3^4(81^2) = 3^n, what is n?

Mama L [17]

Answer:

n = 16

Step-by-step explanation:

3^4(81^2) = 3^n

3^4(3^4) = 3^n

3^16 = 3^n

n = 16

8 0

3 years ago

Step2247 [10]

How is this 1st grade!? And also I think the answer is 3,000

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2 years ago

What is the solution

gladu [14]

Answer:

3x-1/4=-5/11
11 (3x-1)=4 (5)
33x-11=20
33x=20+11
33x=31
x=31/33
x=?

8 0

2 years ago

How much candy will each person get if 5 people share 6 1/2 pounds of Swedish fish.

Ierofanga [76]

Answer:

1 3/10 pounds of candy. Or around 1 pound

Step-by-step explanation:

6 1/2= 6.5

6.5/5=1.3

1.3 as a fraction is 1 3/10

3 0

3 years ago

The mass of the particles that a river can transport is proportional to the sixth power of the speed of the river. A certain riv

katrin2010 [14]

Answer:

7.25

Step-by-step explanation:

200m/s^6 = m/3^6

s^6 = 200*3^6

s = 3*200^(1/6) = 7.25 mi/hr

Hope I helped!

8 0

3 years ago