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4vir4ik [10]
3 years ago
11

Caren is making rice and beans. She can spend no more than $10 on the ingredients. Which situation is represented by the inequal

ity 10≥4.99+0.74x ?
Mathematics
1 answer:
sergij07 [2.7K]3 years ago
5 0
If you are given $10 every 3.5 hours and you want to find the unit rate per hour, you want to solve for how much money you make every hour. You do this by dividing the $10 by the 3.5 hours, which will result in about $2.86 per hour. (This is a rounded value)
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What is 732÷42 in rounding form?
Inessa [10]

732 ÷ 42 = 17.42857143

Rounding up the answer to nearest whole number gives 17

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Plssssss help me ill mark you brainliest
victus00 [196]

The logical approach would be to look at the totals, as you're trying to get the class favourite. Looking at such values, we see that Spiderman is the most trending, with the higher frequency, making it the class favourite.

8 0
3 years ago
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Of 150 adults selected randomly from one town, 30 of them smoke. Construct a 99% confidence interval for the true percentage of
anyanavicka [17]

Answer:

The 99% confidence interval for the true percentage of all adults in the town that smoke is (0.1159, 0.2841).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence interval 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

For this problem, we have that:

Of 150 adults selected randomly from one town, 30 of them smoke. This means that n = 150, p = \frac{30}{150} = 0.2

99% confidence interval

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.20 - 2.575\sqrt{\frac{0.20*0.80}{150}} = 0.1159

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.20 + 2.575\sqrt{\frac{0.20*0.80}{150}}{119}} = 0.2841

The 99% confidence interval for the true percentage of all adults in the town that smoke is (0.1159, 0.2841).

3 0
3 years ago
My brain just kind of exploded when reading this, please help!​
zhannawk [14.2K]

Answer:

4.8 liters

Step-by-step explanation:

o=orange juice c=cranberry juice

Punch = 4/5o + 1/6c  it means that any quantity of punch will have the same proportion of the two ingredients

now, you know that 1 liter can be written as 6/6 liters, so to get those 6/6 you multiply 1/6 by 6

for the proportion to remain valid, you must multiply by 6 also the other ingredient so (4/5)*6 = 24/5 of a liter of orange juice per liter of cranberry juice and 24/5 = 4.8 liters

4 0
3 years ago
7(n+2)=189<br> Bar model
emmasim [6.3K]

Answer:25

Step-by-step explanation:

First u divide 189 by 7

Than u minus that by 2 and u got ur answer

5 0
3 years ago
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