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USPshnik [31]
3 years ago
13

12(3+m) A.36m B.36+m C.36+12m D.3m+12m PLEASSSSEEE HELP ASAP 15

Mathematics
1 answer:
kherson [118]3 years ago
8 0

Answer:

C. 36+12m

Step-by-step explanation:

When you distribute a number outside the parenthesis, you multiply it to all numbers nor letters in the parenthesis. Hopes this helps

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Tyrone has 20 pieces of candy. The ratio of chocolate to hard candy is 1:3. How many pieces of hard candy does Tyrone have?
belka [17]

Answer:

15 pieces

Step-by-step explanation:

a ratio of 1:3 has 4 total parts, meaning that each part is 5.

20/3 = 15 so that means he has 5 pieces of chocolate and 15 of hard candy.

8 0
3 years ago
Read 2 more answers
Price of a mobile phone including 10% GST is rs.16,600. Find the p[rice of mobile phone before gst was added
Nimfa-mama [501]

Answer:

16,600 = 110%, you can do this in your head minus 1,660 GST (whatever that is) 14,940

Step-by-step explanation:

6 0
3 years ago
In preparation for an earnings report, a large retailer wants to estimate p= the proportion of annual sales
mr Goodwill [35]

Using the z-distribution, it is found that the 95% confidence interval for the proportion of sales that occured in December is (0.1648, 0.2948).

<h3>What is a confidence interval of proportions?</h3>

A confidence interval of proportions is given by:

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which:

  • \pi is the sample proportion.
  • z is the critical value.
  • n is the sample size.

In this problem, we have a 95% confidence level, hence\alpha = 0.95, z is the value of Z that has a p-value of \frac{1+0.95}{2} = 0.975, so the critical value is z = 1.96.

The sample size and the estimate are given by:

n = 161, \pi = \frac{37}{161} = 0.2298

Hence:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.2298 - 1.96\sqrt{\frac{0.2298(0.7702)}{161}} = 0.1648

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.2298 + 1.96\sqrt{\frac{0.2298(0.7702)}{161}} = 0.2948

The 95% confidence interval for the proportion of sales that occured in December is (0.1648, 0.2948).

More can be learned about the z-distribution at brainly.com/question/25890103

5 0
2 years ago
Please help me ‼️I am struggling bad <br> (x2+1)(x3-1)
iris [78.8K]

Answer:

26x²+26

Step-by-step explanation:

3 0
3 years ago
The weight of 100 identical samples of a substance is 0.1 pound. What is the weight of 10 samples?
KIM [24]
10samples(0.1pound/100samples)=0.01 lbs  (one-hundredth of a pound)
5 0
3 years ago
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