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aksik [14]
2 years ago
11

Write a number that has a value less than 4.7.

Mathematics
2 answers:
Delicious77 [7]2 years ago
7 0
Hi:) any number that is less than 4.7 automatically has a lower value than 4.7. so numbers like 1 or 4.5 have a lower value than 4.7
Hope this helps <3
Elena-2011 [213]2 years ago
3 0
0 to 4.6 plz mark brainliest
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2) At a local grocery store, three bags of peanuts and four bags of almonds cost $27 45.
Scilla [17]

Answer:

$7.60

Step-by-step explanation:

Use a linear function (again)

let x = peanuts

let y = almonds

3x+4y=27.45

5x+2y=24.05

Multiple 2nd equation by 2

3x+4y=27.45

10x+4y= 48.1

7x=20.65

x=2.95

Plug in x into either equation

10x+4y= 48.1

29.5+4y=48.1

4y=18.6

y=4.65

4.65+2.95=7.60

5 0
3 years ago
You are driving to visit a friend in another state who lives 700 miles away.you are driving 65 miles per hour and have already d
zmey [24]

Answer:

You must drive 5 hours

Step-by-step explanation:

First we have to calculate how much we have to cover

v = velocity = 65 mi/h

t = time

d = distance

v = d/t

t = d/v

d = 700mi - 375mi

d = 325mi

t = d/v

t = (325mi) / (65mi/h)

t = 5h

The equation would then look like this:

t = (700mi - 375mi) / (65mi/h)

4 0
3 years ago
Read 2 more answers
1. The data given below includes data from 42 ​candies, and 7 of them are red. The company that makes the candy claims that 33​%
jeyben [28]

Answer:

The 95% confidence interval for true proportion of red candies is (5%, 27%).

The true proportion of red candies made by the company is different from 33%.

Step-by-step explanation:

The hypothesis to determine whether the claim made by the candy company is correct or not is:

<em>H</em>₀: The true proportion of red candies made by the company is 33%, i.e. <em>p</em> = 0.33.

<em>Hₐ</em>: The true proportion of red candies made by the company is different from 33%, i.e. <em>p</em> ≠ 0.33.

A (1 - <em>α</em>)% confidence interval can be constructed to check this claim.

The decision rule is:

If the confidence interval consists the null value then the null hypothesis will not be rejected. Otherwise it will be rejected.

The (1 - <em>α</em>)% confidence interval for population proportion is:

CI=\hat p\pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

The information provided is:

<em>n</em> = 42

<em>X</em> = number of red candies = 7

Compute the sample proportion of candies that are red as follows:

\hat p=\frac{X}{n}=\frac{7}{42}=0.167

The critical value of <em>z</em> for 95% confidence level is:

z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96

*Use a <em>z</em>-table for the critical value.

Compute the 95% confidence interval for true proportion of red candies as follows:

CI=\hat p\pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\=0.167\pm 1.96\times \sqrt{\frac{0.167(1-0.167)}{42}}\\=0.16\pm0.1137\\=(0.0463, 0.2737)\\\approx(0.05, 0.27)

The 95% confidence interval for true proportion of red candies is (5%, 27%).

The confidence interval does not contains the null value.

Thus, the null hypothesis will be rejected at 5% level of significance.

Conclusion:

The true proportion of red candies made by the company is different from 33%.

7 0
3 years ago
The price of a television is $700 at two different stores. Each store is offering a different promotion. Which deal is the best?
Natalija [7]
Store b if I’m not right I’m sorry
5 0
3 years ago
Read 2 more answers
Your heart beats 320 times in 5 minutes. What is your heart rate?
iVinArrow [24]

Answer:

1,600

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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