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Mumz [18]
4 years ago
9

Joes apple weighs 4/5 martas apple weighs 0.5 how much more does joes weigh than martas

Mathematics
2 answers:
bearhunter [10]4 years ago
8 0

0.3

First, we need them both in the same form. So, change 4/5 to a decimal. 4/5 = 8/10 = 0.8. .8 is greater than .5, so subtract. 0.8 - 0.5 equals 0.3. And there's you answer.

FromTheMoon [43]4 years ago
6 0

Answer:

0.3

Step-by-step explanation:

4/5=0.8

0.8-0.5=0.3

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Mr. kim travels 32 weeks a year for work. He is home the other 20 weeks. There are 7 days in a week. Which of the following basi
amid [387]

Answer:20 * 7 (20 times/ multiplied by 7)

Step-by-step explanation: home is 20weeks with 7 days each. So, 20 times 7

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Count seven days 20 times

3 0
3 years ago
The first 4 terms of a 10-term geometric series are listed below. Which expression represents the sum
Stella [2.4K]

Given:

First 10 term of a geometric series are:

\dfrac{16}{25}+\dfrac{8}{5}+4+10+...+a_10

To find:

The expression that  represents the sum of the series.

Solution:

The first term of the given geometric series is:

a_1=\dfrac{16}{25}

The common ratio of the given geometric series is:

r=\dfrac{a_2}{a_1}

r=\dfrac{\dfrac{8}{5}}{\dfrac{16}{25}}

r=\dfrac{8}{5}\times \dfrac{25}{16}

r=\dfrac{5}{2}

The sum of first n terms of a geometric sequence is:

S_n=\dfrac{a_1(1-r^n}{1-r}

Where r is the common ratio.

Putting a_1=\dfrac{16}{25},r=\dfrac{5}{2},n=10 in the above formula, we get

S_{10}=\dfrac{16}{25}\left(\dfrac{(1-(\dfrac{5}{2})^{10}}{1-\dfrac{5}{2}}\right)

Therefore, the correct option is C, i.e., \dfrac{16}{25}\left(\dfrac{(1-(\dfrac{5}{2})^{10}}{1-\dfrac{5}{2}}\right).

5 0
3 years ago
Assume that round widgets from a manufacturing process have diameters that are normally distributed with mean 135.75 centimeters
Cloud [144]

Answer:

b. 99 out of 100.

Step-by-step explanation:

We solve for this using z score formula

z-score formula is given as:

z = (x - μ)/σ

where

x is the raw score

μ is the population mean

σ is the population standard deviation.

a) x = 129cm, μ = 135.75cm, σ = 1.85cm

z = (129- 135.75)/1.85

z = -3.64865

Finding the Probability value of the z score from the z table:

P(x = 129) = P(z = -3.64865)

= 0.00013181

b) x = 143 cm, μ = 135.75cm, σ = 1.85cm

z = (143- 135.75)/1.85

z = 3.91892

Finding the Probability value of the z score from the z table:

P(x = 143) = P(z = 3.91892)

= 0.99996

The chances that a randomly selected widget has diameter between 129 centimeters and 143centimeters

= P(x = 143) - P(x = 129)

= P(z = 3.91892) - P(z = -3.64865)

= 0.99996 - 0.00013181

= 0.99982819

Converting to percentage

= 0.99982819 × 100

= 99.982819%

Therefore, option b. 99 out of 100 is the correct answer

8 0
3 years ago
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