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Nata [24]
3 years ago
13

Marty ate ⅔ of his pizza. kellen ate ⅚ of his pizza. marty ate more pizza. how is this possible?

Mathematics
1 answer:
erastovalidia [21]3 years ago
7 0
2/3<5/6
4/6<5/6

...............
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You measure 34 backpacks' weights, and find they have a mean weight of 33 ounces. Assume the population standard deviation is 10
Dmitriy789 [7]

Answer:

The maximal margin of error associated with a 99% confidence interval for the true population mean backpack weight is 4.81 ounces

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.99}{2} = 0.005

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.005 = 0.995, so z = 2.575

Now, find the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

So

M = 2.575*\frac{10.9}{\sqrt{34}} = 4.81

The maximal margin of error associated with a 99% confidence interval for the true population mean backpack weight is 4.81 ounces

6 0
3 years ago
Monica need to but soup. the store has- 5 cans for $10.00. is she buys just one can of soup, the cost is $2.20 Which is the bett
AfilCa [17]
5 cans for $10 is $2 per can

1 can is $2.20

5 cans for $10 is the better deal
5 0
3 years ago
Read 2 more answers
Jacob mixes ⅓ cup of yellow paint for every ⅕ cup of blue paint to make green paint. How many cups of yellow paint are needed fo
Nana76 [90]

Answer:

\frac{5}{3} cups

Step-by-step explanation:

Jacob mixes \frac{1}{3} cup of yellow paint for every \frac{1}{5} cup of blue paint to make green paint.

The ratio of yellow paint to blue paint =  \frac{1}{3} : \frac{1}{5}

                                                              = 5:3

 \frac{1}{5} cup of blue paint =  \frac{1}{3} cup of yellow paint

 1 cup of blue paint =  \frac{1}{3} ÷ \frac{1}{5} cup of yellow paint

⇒ \frac{1}{3} ÷ \frac{1}{5}

⇒ \frac{5}{3}

Hence, For 1 cup of blue paint needed \frac{5}{3} cups of yellow paint.

8 0
3 years ago
Help plz 24 pointsplz help
kogti [31]
It's crosses through 1/3

8 0
3 years ago
I need help, this is geometry
Artemon [7]

Answer:

∠P = 39º

∠Q=120º

∠R = 21º

Step-by-step explanation:

m∠P+m∠Q+m∠R=180º (sum of ∠s in a triangle)

2x-3+6x-6+x=180º (substitution)

9x-9=180º (algebra)

9x=189º (algebra)

x=21º (algebra) (this is ∠R)

(2x-3)=39º (algebra) (this is ∠P)

6x-6=120º (algebra) (this is ∠Q)

7 0
2 years ago
Read 2 more answers
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