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3 years ago

What is the answer to 2h-1/10=5/8?

Mathematics

1 answer:

melomori [17]3 years ago

5 0

X=.362 or X=29/80................................

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Fill in the blank to make an equivalent ratio <br><br> X : 3 = 40 : 15

Thepotemich [5.8K]

So look at the patterns.
How much bigger is 15 to 3?
Answer = 5x bigger.
What is 5x smaller than 40? (in other words, 5 x ? = 40)
Answer = 8!

So, the missing 'x' = 8

7 0

3 years ago

I'm giving brainliest to the most helpful answer. For 50 points:

Alenkinab [10]

Answer:

1) $\displaystyle\frac{5}{18}\approx27.78\%$

2) $\displaystyle\frac{4}{7}\approx57.14\%$

3) $\displaystyle \frac{13}{16}=81.25\%$

Step-by-step explanation:

We are given a two-way frequency table. Using the table, we will determine the probability for each case.

Question 1)

P(A Student With A Part Time Job Without A Car)

Using the first column, the total number of students that have a part time job is 78+30=108.

Likewise, using the first column, we can see that out of those 108 students, 30 do not have a car.

Hence, the probability that a student with a part time job without a car is:

$\displaystyle P=\frac{30}{108}=\frac{5}{18}\approx27.78\%$

Question 2)

P(No Car | Does Not Have A Part Time Job)

Remember that the vertical line means conditional probability.

So, we want the probability of a student having no car given that they do not have a part time job.

Using the second column, we can see that the total number of students that do not have a part time job is 18+24=42.

Likewise, using the second column, 24 do not have a car.

Hence, the probability that a student with a part time job without a car is:

$\displaystyle P=\frac{24}{42}=\frac{4}{7}\approx57.14\%$

Question 3)

P(Part Time Job | Car)

So, we want to probability of a student having a part time job given that they have a car.

Using the first row, the total students that have a car is 78+18=96.

And of those 96 students, 78 have a part time job.

Hence, the probability that a student with a car has a part time job is given by:

$\displaystyle P=\frac{78}{96}=\frac{13}{16}=81.25\%$

4 0

3 years ago

Suppose that f is an odd function of x. Does knowing that modifyingbelow lim with x right arrow 0 superscript plus f left parent

algol13

Answer: we should have that:

$\lim_{x \to \--0} f(x) = -3$

Step-by-step explanation:

We know that f(x) is an odd function, this means that f(-x) = -f(x)

We know that:

$\lim_{x \to \++0} f(x) = 3$

this means that wen we aproximate to zero for the right (the positive side) we have that the value is.

First, this tell us that f(x) can not be a continue function, because of the fact that is odd we will have that when we aproximate the same lim but from the negative side, we will have that:

$\lim_{x \to \--0} f(x) = -3$

7 0

3 years ago

Read 2 more answers

Is 6.041 bigger than 6.401

evablogger [386]

No it isn't

6.041
6.401

As you can see 0 isn't bigger than 4 in the tenths place

4 0

3 years ago

If two lines are perpendicular which statement must be true

BabaBlast [244]

A. They have negative reciprocal slopes