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inn [45]
3 years ago
15

I need help with these three problems

Mathematics
1 answer:
sergiy2304 [10]3 years ago
8 0
41. The vendor sells both types of apples, meaning that he can sell his 30 lbs of apples in two ways. Therefore, we add the two sizes of apple bunches, and that leaves us with 5f + 2.5t = 30, and thus the answer is B.

42. There's an easy way to solve this. In a quadratic function of the form ax² + bx + c, the 2 (real) roots must always multiply to c, and add to b. The roots of our function are -1 and 6. -1 * 6 = -6, and -1 + 6 = 5. So, we are looking for something that is x² + 5x - 6, which would be A.

43. Since you took the boxes "out" of the bookcase, you would subtract 18. This leaves us with choice A and C. Because the bookcase can hold "no more than" t books, t must less than or equal to 8b. So, we are looking for something that is equivalent to t ≤ 8b - 18, which is A.
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Carla, a nurse in the labor and delivery ward of the hospital, is responsible for measuring the
Sonbull [250]
Answer: 50





Explanation
6 0
2 years ago
You created a new playlist in 100 of your friends listened to it and shared if they likedThe new playlist or not nadhi said the
Nostrana [21]

Given

You created a new playlist in 100 of your friends listened to it and shared if they liked

The new playlist said the ratio Of people who liked the playlist to those who did not like the playlist is 75:25.

Dylan said that for every three people who like to playlist one person did not

Find out  Do Nadhii and Dylan Agree or not.

To proof

As given in the question

created a new playlist in 100 of your friends listened to it and shared if they liked

new playlist said the ratio Of people who liked the playlist to those who did not like the playlist is 75:25.

Simply the ratio of people who liked the playlist to those who did not like the playlist

= \frac{75}{25}

= \frac{3}{1}

Thus  

\frac{People \ like \ the \ playlist}{People \ didnot \ like \ the\ playlist}=\frac{3}{1}

also

Dylan said that for every three people who like to playlist one person did not

In the form of ratio written as

\frac{People \ like \ the \ playlist}{People \ didnot \ like \ the\ playlist}=\frac{3}{1}

the value of both new playlist  and Dylan said about the ratio of people who liked the playlist to those who did not like the playlist is 3:1.

The value both of their ratio are equivalent .

Thus Nadhii and Dylan Agree

Hence proved





7 0
3 years ago
Eight classmates share four pizza equally
Fantom [35]
They each get half a slice of pizza

5 0
3 years ago
Read 2 more answers
A function is a rule that assigns each value of the independent variable to exactly one value of the dependent variable. True or
vesna_86 [32]
<span>The answer is true
 Let's imagine that we have the following function function:
 </span>y = x ^ 2 &#10;
 <span>We have to:
 Independent variable: x
 Dependent variable: y
 For x = -1:
 </span>y = (- 1) ^ 2 = 1 &#10;
<span> For x = 1:
 </span>y = (1) ^ 2 = 1 &#10;
<span> We observe that the independent variable can only obtain one result.
 Answer:
 True</span>
3 0
3 years ago
Read 2 more answers
Which sample has a greater variability, or spread?
avanturin [10]

Answer:

The orange sample

Step-by-step explanation:

The higher the interquartile range the bigger the variance as it the difference between the 0.25 and 0.75 quantiles which basically means if the difference between the 25 percent and 75 percent is higher then there is more variety as they are further away

Would be amazing if you marked brainliest and feel free to comment any follow up questions :)

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3 years ago
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