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Anvisha [2.4K]
3 years ago
7

40 POINT WORD PROBLEM FOR HW

Mathematics
2 answers:
spin [16.1K]3 years ago
8 0
4.10x+5.50 (182-x)=28-845.80
Solve for x
X=83 type B

182-83=99 type A
Leviafan [203]3 years ago
4 0
The answer would be 92.1666667
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Bob received 45 trading card from his collection. Bob's father, gives his son a few more trading cards and he now has at least 9
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50 cards from his dax
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What is the volume of the sphere below?
Mamont248 [21]

Answer:

ans is (D)500/3 π unit^3

Explanation :

Formula for volume of sphere is 4/3 π r^3 .

7 0
3 years ago
This recipe makes three portions of soup.
Karolina [17]

Answer:

50 g onions

30 g carrots

1 tablespoon of oil

200 g tomatoes

300 ml vegetable stock

Step-by-step explanation:

Divide all the quantities by 3

150/3 g onions

90/3 g carrots

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600/3 g tomatoes

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30 g carrots

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7 0
3 years ago
Round each number to the nearest ten. 283
arsen [322]
283 rounded to the nearest ten is 280
When rounding to the nearest ten look at the number to the right of the place you are rounding. In this case it is the 3. If the number is 5 or higher you go up to the nearest ten. If the number is lower than 5 like it is in this number you round down to the nearest ten.
5 0
3 years ago
A sociologist develops a test to measure attitudes towards public transportation, and 27 randomly selected subjects are given th
taurus [48]

Answer:

The margin of error for the 95% confidence interval for the mean score of all such subjects is of 8.45.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 27 - 1 = 26

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 26 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.0518

The margin of error is:

M = T\frac{s}{\sqrt{n}}

In which s is the standard deviation of the sample and n is the size of the sample.

In this question:

n = 27, s = 21.4. So

M = 2.0518\frac{21.4}{\sqrt{27}}

M = 8.45

The margin of error for the 95% confidence interval for the mean score of all such subjects is of 8.45.

5 0
3 years ago
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