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steposvetlana [31]
3 years ago
14

Find the product. 2 1/4⋅1 2/3 Write the answer as a mixed number.

Mathematics
2 answers:
Sati [7]3 years ago
7 0
The product is 3 and 3 4ths (3 3/4)
blagie [28]3 years ago
3 0

Convert to a mixed number:

15/4

Divide 15 by 4:

4 | 1 | 5

4 goes into 15 at most 3 times:

| | 3

4 | 1 | 5

- | 1 | 2

| | 3

Read off the results. The quotient is the number at the top and the remainder is the number at the bottom:

| | 3 | (quotient)

4 | 1 | 5 |

- | 1 | 2 |

| | 3 | (remainder)


The quotient of 15/4 is 3 with remainder 3, so:

Answer: | 3 3/4

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Suppose that coin 1 has probability 0.7 of coming up heads, and coin 2 has probability 0.6 of coming up heads. If the coin flipp
snow_lady [41]

Answer:

0.13

Step-by-step explanation:

this is my answer it will help you

6 0
3 years ago
Which is the real world situation that can be described by a linear inequality
garik1379 [7]

Answer:

Pretty sure it's B

Step-by-step explanation:

Everything else would be more like an equation. I think B is the only inequality.

7 0
3 years ago
Round $499.76 to the nearest dollar
dsp73

This is your answer:

if then number is $499.49 that would mean it rounds down to $499.00

but in your case $499.76 rounds to $500.00

(Remember .50 and up goes up!)

Therefor your answer is $500.00

7 0
3 years ago
Read 2 more answers
It is generally claimed that the average body temperature for healthy human adults is 98.6°F. To test this claim a simple random
Rzqust [24]

Answer:

Explained below.

Step-by-step explanation:

The information provided is as follows:

\mu=98.6^{o}F\\\bar x=98.1^{o}F\\s=0.9^{o}F\\n=9

(1)

A single mean test is to be performed in this case.

As the population standard deviation is not provided, a one-sample <em>t</em>-test will be used.

The correct option is b.

(2)

The null hypothesis is:

<em>H</em>₀: The average temperature in the population is 98.6°F, i.e. <em>μ </em>= 98.6°F.

The correct option is b.

(3)

The alternative hypothesis is:

<em>Hₐ</em>: The average temperature in the population is less than 98.6°F, i.e. <em>μ </em>< 98.6°F.

The correct option is c.

(4)

The standard deviation of the sample mean is as follows:

SD_{\bar x}=\frac{s}{\sqrt{n}}=\frac{0.9}{\sqrt{9}}=0.3^{o}F

Thus, the value of SD is 0.3°F.

(5)

Compute the value of test statistic as follows:

t=\frac{\bar x-\mu}{SD_{\bar x}}

  =\frac{98.1-98.6}{0.3}\\\\=-1.666666667\\\\\approx -1.67

Thus, the value of test statistic is -1.67.

(6)

The degrees of freedom of the test are:

df = n - 1

   = 9 - 1

   = 8

Thus, the degrees of freedom of the test is 8.

8 0
3 years ago
Neighborhood block: StartFraction 3 over 20 EndFraction miles. A rectangle has a width of w. Perimeter = 3 20 + w + 3 20 + w Bij
butalik [34]

Answer:

it is 1/20

Step-by-step explanation:

3 0
3 years ago
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