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3 years ago

How to multiply fractions mixed numbers

Mathematics

2 answers:

nikitadnepr [17]3 years ago

5 0

Answer:

To multiply Mixed Fractions:

convert to Improper Fractions.

Multiply the Fractions.

convert the result back to Mixed Fractions.

Step-by-step explanation:

kipiarov [429]3 years ago

5 0

Answer:

Make them improper fractions and cross simplify.

Step-by-step explanation:

Turn your mixed numbers into improper fractions and if you can, to make things easier cross simplify the fractions. From there you can keep it as improper or turn it into a mixed number.

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A stock market analyst notices that in a certain year, the price of IBM stock increased on 131 out of 252 trading days. Can thes

san4es73 [151]

Answer:

95% confidence interval for the proportion of days that IBM stock increases.

(0.45814 , 0.58146)

Step-by-step explanation:

Step:1

Given that a stock market analyst notices that in a certain year, the price of IBM stock increased on 131 out of 252 trading days.

Given that the sample proportion

$p^{-} = \frac{131}{252} = 0.5198$

Level of significance = 0.05

Z₀.₀₅ = 1.96

Step:2

95% confidence interval for the proportion of days that IBM stock increases.

$(p^{-} - Z_{0.05} \frac{\sqrt{p(1-p)} }{\sqrt{n} } , p^{-} + Z_{0.05} \frac{\sqrt{p(1-p)} }{\sqrt{n} } )$

$(0.5198 - 1.96(\sqrt{\frac{0.5198(1-0.5198)}{252} } , 0.5198 +1.96(\sqrt{\frac{0.5198(1-0.5198)}{252} })$

(0.5198 - 0.06166 , 0.5198+0.06166)

(0.45814 , 0.58146)

Final answer:-

95% confidence interval for the proportion of days that IBM stock increases.

(0.45814 , 0.58146)

3 0

3 years ago

5. Find the area of the larger pentagon if the scale factor is 1.5.

My name is Ann [436]

Answer: 48 sq. cm

Step-by-step explanation:

The area of the similar shapes is similar.

We use scalar factor to get the area of the bigger or the smaller figure by using the area of the given figure.

In the given figure , Area of the small pentagon = 32 sq. cm

Scale factor for the bigger pentagon = 1.5

Then , the area of the bigger pentagon would be = (Scale factor) x (Area of the small pentagon)

= 1.5 x (32 sq. cm)

= 48 sq. cm

Hence, the area of the larger pentagon = 48 sq. cm

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3 years ago

What is an equivalent expression for 1/4x please help ASAP.

Georgia [21]

Answer:

x/4

Step-by-step explanation:

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I need help fast thank you so much

valkas [14]

Answer:710

Step-by-step explanation:multiply 3000 by 3.3

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3 years ago

I WILL GIVE BRANIEST

Anuta_ua [19.1K]

Answer:

y=5/2x+6

Step-by-step explanation:

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2 years ago