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lilavasa [31]
3 years ago
5

7) Jan has two spinners. One has 3 equal sections labeled A, B, and C. The other has 4 equal sections labeled 1, 2, 3, and 4. Sh

e spins both spinners. What is the probability that she gets A3?
Mathematics
1 answer:
Elanso [62]3 years ago
8 0
One out of three results on the first spinner is A, and one out of four on the second is 3.  Thus, the overall probability is 1/3*1/4=1/12.
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A can of soda weighs 336 grams. find the weight in kilograms of 20 cans.
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20 cans in kilograms = 336 grams * 20 cans / 1000 = 6.72 kg
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8 + 3g ≥ 5 pplllllllzzzzz heeeelllppp fast!!!
timofeeve [1]

11g greater than 5

Step-by-step explanation:

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Which construction must you do to construct a triangle given the lengths of two sides and the measure of the angle between the t
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Which equations are related equations to x+14=12x+14=12?
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4 0
3 years ago
Write the first three terms of the series for which tn = 2(n+3). Find the number of terms of the series required to make the sum
ira [324]

Answer:

The first three terms of the series are 8, 10 and 12. The number of terms is 12 to make the sum 228.

Step-by-step explanation:

The series is defined as

t_n=2(n+3)

Put n=1.

t_1=2(1+3)=2\times 4=8

Put n=2.

t_2=2(2+3)=2\times 5=10

Put n=3.

t_3=2(3+3)=2\times 6=12

The first three terms of the series are 8, 10 and 12.

It is an arithmetic series. The first terms is 8 and the common difference is

d=a_2-a_1=10-8=2

The sum of n terms of an arithmetic series is

S_n=\frac{n}{2}[2a+(n-1)d]

288=\frac{n}{2}[2(8)+(n-1)2]

288=\frac{2n}{2}[8+n-1]

288=n[n+7]

0=n^2+7n-288

0=n^2+19n-12n-288

0=n(n+19)-12(n+19)

0=(n+19)(n-12)

Equate each factor equal to zero.

n=-19,12

The number of terms can not be negative, therefore the value of n must be 12.

6 0
3 years ago
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