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Kamila [148]
3 years ago
8

Yuri and Pete go hiking. Yuri brings 710 liter\dfrac7{10} \text{ liter} 10 7 ​ liter start fraction, 7, divided by, 10, end frac

tion, start text, space, l, i, t, e, r, end text of water. Pete brings 500 milliliters500 \text{ milliliters} 500 milliliters 500, start text, space, m, i, l, l, i, l, i, t, e, r, s, end text of water. How many more milliliters of water did Yuri bring than Pete?
Mathematics
2 answers:
kaheart [24]3 years ago
6 0

Answer:

200 millileters

Step-by-step explanation:

7/10 = 700

700 - 500 = 200

mart [117]3 years ago
5 0

Answer:

200 ml

Step-by-step explanation:

i picked it on the test and i got it right

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The relation R is shown below as a list of ordered
Dmitrij [34]

Answer:

(1, 4) and (1,3), because they have the same x-value

Step-by-step explanation:

For a relation to be regarded as a function, there should be no two y-values assigned to an x-value. However, two different x-values can have the same y-values.

In the relation given in the equation, the ordered pairs (1,4) and (1,3), prevent the relation from being a function because, two y-values were assigned to the same x-value. x = 1, is having y = 4, and 3 respectively.

Therefore, the relation is not a function anymore if both ordered pairs are included.

<em>The ordered pairs which make the relation not to be a function are: "(1, 4) and (1,3), because they have the same x-value".</em>

7 0
3 years ago
What is the cost of the TV?
sasho [114]
20%of £800 is 800÷5 =160
800 + 160 =960
6 0
3 years ago
SOMEONE, PLEASE HELP
andrew11 [14]

Answer:

2,023

Step-by-step explanation:

P(8) = 25(8)²-24(8)+615

= 1600- 192 +615

= 2,023

6 0
3 years ago
3 cm<br> 4 cm<br> 6 cm<br> Find the volume. Round to the nearest tenth if necessary.
ZanzabumX [31]

Answer:

72 cm squared

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
In a study of government financial aid for college​ students, it becomes necessary to estimate the percentage of​ full-time coll
ICE Princess25 [194]

Answer:

a) n = 1037.

b) n = 1026.

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 level of 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}

The margin of error is:

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

99% confidence level

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.

​(a) Assume that nothing is known about the percentage to be estimated.

We need to find n when M = 0.04.

We dont know the percentage to be estimated, so we use \pi = 0.5, which is when we are going to need the largest sample size.

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

0.04 = 2.575\sqrt{\frac{0.5*0.5}{n}}

0.04\sqrt{n} = 2.575*0.5

(\sqrt{n}) = \frac{2.575*0.5}{0.04}

(\sqrt{n})^{2} = (\frac{2.575*0.5}{0.04})^{2}

n = 1036.03

Rounding up

n = 1037.

(b) Assume prior studies have shown that about 55​% of​ full-time students earn​ bachelor's degrees in four years or less.

\pi = 0.55

So

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

0.04 = 2.575\sqrt{\frac{0.55*0.45}{n}}

0.04\sqrt{n} = 2.575*\sqrt{0.55*0.45}

(\sqrt{n}) = \frac{2.575*\sqrt{0.55*0.45}}{0.04}

(\sqrt{n})^{2} = (\frac{2.575*\sqrt{0.55*0.45}}{0.04})^{2}

n = 1025.7

Rounding up

n = 1026.

6 0
3 years ago
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