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3 years ago

I’m stuck on this question can some help me ?????

Mathematics

1 answer:

Vilka [71]3 years ago

7 0

Answer:

plant B would recycle 60 more red bottle and plant c would recycle 38 more bottles

Step-by-step explanation:

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In a test (+4) marks are given for every correct answers and (-3) marks are given for every incorrect answers 1) Tahiya answered

stealth61 [152]

Answer:

Tahiya attempted 3 incorrect answers.

Helmin attempted 11 incorrect answers.

Step-by-step explanation:

Correct = +4

Incorrect = -3

1) Tahiya got 12 correct answers and scored a 40, the number of incorrect answers was:

$4*12-3I=40\\I=\frac{8}{3}\\I=2.67$

2) Helmin got 5 correct answers and scored a -14, the number of incorrect answers was:

$4*5-3I=-14\\I=\frac{34}{3}\\I=11.33$

In both cases the number of incorrect answers obtained is a fraction, which means that either the data provided is inaccurate, or that the scores obtained by the students are approximate. Let's round the number of incorrect answers to the nearest whole answer.

Tahiya attempted 3 incorrect answers.

Helmin attempted 11 incorrect answers.

4 0

3 years ago

P (a) =0.60, p(b) = 0.25, and p(a and b) =0.15 what is p(a or b) ?

choli [55]

Answer:

C is the correct option

Step-by-step explanation:

To find the probability of P(a or b) we will use the formula:

P(a or b)= P(a)+ P(b) - P(a-b)

Now put the given values in the formula:

P(a or b)= 0.60+0.25-0.15

P(a or b)=0.85 - 0.15

P(a or b)= 0.70

Thus the correct option is C....

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For the function {(0,1), (1,-3), (2,-4), (-4,1)}, what is the domain and range?

PtichkaEL [24]

I think the second choice has the correct domain and ranges

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2 years ago

Write an equation of the line shown in each graph

Sophie [7]

1.) y=1/3x+2
2.) y=2/3x+2

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3 years ago

Tryyyyy hardddddd!!!!!!!!!!

Greeley [361]

Answer:

Step-by-step explanation:

980

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2 years ago

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