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geniusboy [140]
2 years ago
11

frac{1}{2} \div \frac{1}{3} " alt=" \frac{1}{2} \div \frac{1}{3} " align="absmiddle" class="latex-formula">
what is the answer and how do we find it​
Mathematics
2 answers:
saul85 [17]2 years ago
8 0
1.5 hopes this helps
Leya [2.2K]2 years ago
6 0

Answer:

1 1/3

Step-by-step explanation:

The first thing that we need to know is how to divide fractions. In this case, we would use KCF(Keep Change Flip) Meaning that we KEEP 1/2 as is. CHANGE the division sign to a multiplication sign. FLIP 1/3 to 3/1.

The next step would be to solve. To do that we would look at our expression. 1                    3                       3

_         *         _           =          _

2                    1                       2

3/2 is an improper fraction. We need to convert it to a mixed number. To do that we would divide 2 by three. We get 1 remainder 1. So to put that in fraction form we would keep the whole number (1)  and put the other 1 over three.

Thus your answer being: 1 1/3

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Find the surface area of the regular pyramid.
spayn [35]

Answer:

Answer = 93.6

Step-by-step explanation:

frist multipy 9 x 13 to get 117 than divided it by 2 = 58.5, than times it by 3 since there is three sides.

(58.5 x 3 is 175.5)      

Than for the base multipy 7.8 x 9 = 70.2, but since its a tri, divided it by 2 = 35.1.

Add 58.5 and 35.1 to get 93.6

5 0
2 years ago
Read 2 more answers
7(y + 2) – (4y – 10) = 44 – 2y + 5<br> y = -10
andrey2020 [161]

Answer:

y=-8

Step-by-step explanation:

7(y + 2) – (4y – 10)

=7y+14-4y+10

=3y+24

3y=-24

y=-8

3 0
3 years ago
A courier service company wishes to estimate the proportion of people in various states that will use its services. Suppose the
a_sh-v [17]

Answer:

Probability that the sample proportion will be less than 0.03 is 0.10204.

Step-by-step explanation:

We are given that a courier service company wishes to estimate the proportion of people in various states that will use its services. Suppose the true proportion is 0.04.

Also, 469 are sampled.

<em>Let </em>\hat p<em> = sample proportion</em>

The z-score probability distribution for sample proportion is given by;

              Z = \frac{ \hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } }  ~ N(0,1)

where, \hat p = sample proportion

           p = true proportion = 0.04

           n = sample size = 469

The Z-score measures how many standard deviations the measure is away from the mean. After finding the Z-score, we look at the z-score table and find the p-value (area) associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X.

So, probability that the sample proportion will be less than 0.03 is given by = P( \hat p < 0.03)

       P( \hat p < 0.03) = P( \frac{ \hat p-p}{\sqrt{\frac{\hat p(1-\hat p)}{n} } } < \frac{0.03-0.04}{\sqrt{\frac{0.03(1-0.03)}{469} } } ) = P(Z < -1.27) = 1 - P(Z \leq 1.27)

                                                                      = 1 - 0.89796 = 0.10204

Now, in the z table the P(Z \leq x) or P(Z < x) is given. So, the above probability is calculated by looking at the value of x = 1.27 in the z table which has an area of 0.89796.

Therefore, probability that the sample proportion will be less than 0.03 is 0.10204.

5 0
3 years ago
Need help answering this math problem.
Fed [463]
The second bubble is the answer
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The relationship between time and the distance remaining one 3 mile walk for someone walking at a steady rate of 2 miles per hou
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It would take 1 1/2 hour to walk three miles.
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