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2 years ago

Calculate the product: 2 9 × 63 . A. 7 B. 14 C. 18 D. 45

Mathematics

1 answer:

NARA [144]2 years ago

3 0

Answer:

The answer isn't listed in your options, are you sure you didn't make any typos?

Step-by-step explanation:

29*63=1,827

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Find the pattern for sequence 5,10,20,40

vlabodo [156]

Answer:

Everything is x2 itself.

Step-by-step explanation:

5x2=10 10x2=20 20x2=40

4 0

3 years ago

Read 2 more answers

Find the nonpermissible replacement for a in this expression 7/6a

vredina [299]

The correct answer for the exercise shown above is:

zero (0)

The explanation is shown below:

1. You have the following expression given in the problem above:

7/6a

2. By definition, the nonpermissible replacement for a is the value that make the denominator equal to zero.

3. Keeping this on mind, you have:

7/6a=7/6(0)=7/0

Therefore, as you can see, the answer is: zero (a=0).

6 0

3 years ago

The datus a blow shows the weigh-in pounds of 5 different pumpkin what is the mean of the following set of data 7 5 9 5 12

gregori [183]

7+5+9+5+12=38

38/5=7.6

7.6=mean

hope this helps

4 0

3 years ago

A simple random sample of size nequals40 is drawn from a population. The sample mean is found to be 103.9, and the sample stand

yan [13]

Answer:

There is enough evidence to support the claim that the population mean is greater than 100

Step-by-step explanation:

Step 1: We state the hypothesis and identify the claim

$H_0:\mu=100$ and $H_1:\mu \:>\:100$ (claim)

Step 2: Calculate the test value.

$t=\frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }$

$\implies t=\frac{103.9-100}{\frac{21.9}{\sqrt{40} } }=1.1263$

Step 3: Find the P-value. The p-value obtained from a calculator is using d.f=39 and test-value 1.126 is 0.134

Step 4: We fail to reject the null hypothesis since P-value is greater that the alpha level. (0.134>0.05).

Step 5: There is enough evidence to support the claim that the population mean is greater than 100.

Alternatively: We could also calculate the critical value to obtain +1.685 for $\alpha=0.05$ and d.f=39 and compare to the test-value:

The critical value (1.685>1.126) falls in the non-rejection region. See attachment.

NB: The t- distribution must be used because the population standard deviation is not known.

5 0

4 years ago

What is the domain and range of this graph?

Gala2k [10]

Answer:

Domain is all real numbers. Range is [36- negative infinity]

5 0

3 years ago