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3 years ago

The graph plots four equations, A, B, C, and D:

Mathematics

2 answers:

olasank [31]3 years ago

5 0

For this case, the first thing you should do is observe the intersession of the lines.
The solution of the intersection of the lines will be given by an ordered pair of the form:
(x, y)
So, for the next ordered pair:
(x, y) = (0, 8)
We have the lines that intersect are:
Line A
Line C
Answer:
A pair of equations that has (0, 8) as its solution are:
Equation A and Equation C

hram777 [196]3 years ago

4 0

By looking at the graph, it seems Equation A and Equation C both intersect at (0, 8). So the first answer is correct.

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Each person in a group of college students was identified by graduating year and asked when he or she preferred taking classes:

swat32

Answer:

Step-by-step explanation:

The frequency table is attached below.

We have to calculate, the probability that the student preferred morning classes given he or she is a junior.

i.e $P(\text{Morning }|\text{ Junior})$

We know that,

$P(A\ |\ B)=\dfrac{P(A\ \cap\ B)}{P(B)}$

So,

$P(\text{Morning }|\text{ Junior})=\dfrac{P(\text{Morning }\cap \text{ Junior})}{P(\text{Junior})}$

Putting the values from the table,

$\dfrac{P(\text{Morning }\cap \text{ Junior})}{P(\text{Junior})}=\dfrac{\frac{16}{143}}{\frac{26}{143}}=\dfrac{16}{26}=0.615$

3 0

3 years ago

307 IN EXPANDED FORM

garri49 [273]

Three hundred and seven

6 0

3 years ago

Put the following equation in slope-intercept form: 2x+4y=12

guajiro [1.7K]

Y=-1/2x+3 is the slope intercept form.

4 0

3 years ago

Which costs more per gallon? 5 gallons for $12.50 or 11 gallons for $26.40

Effectus [21]

Answer: 5

Step-by-step explanation:

If;

5 gallons = $12.50 / 5 = $2.50/gallon

11 gallons = $26.40 / 11 = $2.40/gallon

In conclusion, 5 gallons cost more per gallon than 11.

6 0

3 years ago

PTG has side lengths of 18 cm, 27 cm, and 13 cm. which type of triangle is PTG? The answer is obtuse.

Verizon [17]

To know what kind of triangle is it. use the pythagorean theorem:
A^2 + B^2 = C^2,
where C is the longest side of the triangle
if it satisfies the equation then it is a right triangle
if it does not then A^2 + B^2 > C^2 so it is acute triangle
if A^2 + B^2 < C^2 it is obtuse triangle

18^2 + 13^2 ? 27^2
324 + 169 ? 729
493 < 729 so it is obtuse triangle

3 0

3 years ago