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3 years ago

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Corresponding points must be an equal distance from the Line of Reflection.

1 answer:

d1i1m1o1n [39]3 years ago

7 0

It is true that corresponding points must be an equal distance from the Line of reflection. This is because in cases of reflection, the image is far behind the mirror or line of reflection as the object is in front of the mirror. What this proposition means is, the distance from the object to the line of reflection is equal to the distance between the reflection line and the image. There sizes are bound to be equal to, and hence the two corresponding points will be similar.

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A bag contains x blue chips and y red chips. If the probability of selecting a red chip at random is 3/7, then x/y = ________.A.

LUCKY_DIMON [66]

Answer:

D. $\frac{4}{3}$

Step-by-step explanation:

We have been given that a bag contains x blue chips and y red chips. The probability of selecting a red chip at random is 3/7. We are asked to find the $\frac{x}{y}$ .

$\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}}$

$P(\text{Red})=\frac{\text{Number of red chips}}{\text{Total number of chips}}$

$P(\text{Red})=\frac{y}{x+y}$

Since we are told that probability of selecting a red chip at random is 3/7, so red balls are 3 and total balls are 7:

$P(\text{Red})=\frac{3}{x+3}$

Since total balls are 7, so we will get:

$x+3=7\\x=4$

Upon substituting $x=4\text{ and } y=3$ in expression $\frac{x}{y}$ , we will get:

$\frac{4}{3}$

Therefore, the value of $\frac{x}{y}$ is $\frac{4}{3}$ and option D is the correct choice.

7 0

3 years ago

No idea on this one guys :(

Zanzabum

Answer:

B

Step-by-step explanation:

probability that B is correct is higher. from all others!

6 0

3 years ago

Read 2 more answers

Which of the following has a graph that is a straight line? (4 points)

nlexa [21]

The equation 2 has a graph which is a straight line.

Why?

We can know which of the given equations has a graph which is a straight line just checking the exponents of the variables.

We must remember that every variable that has an exponent equal or higher than 2 (quadratic) will not have a straight line as a graphic.

So, checking the exponents from the given equations, we have:

$Equation_{1} =x^{3}=NotLinear\\Equation_{2}=x=Linear\\Equation_{3}=y^{2}=Quadratic\\Equation_{4}=x^{2}=Quadratic$

Hence, we can see that the only equation that has a linear term (straight line graph), is the second equation.

Have a nice day!

Note: I have attached a image for better understanding.

8 0

3 years ago

The graph shows the number of pages read on average by 4 middle school students. Who read the least number of pages on average?

qaws [65]

Answer: Alisa

Alisa read a total of 65 pages, which is less than all the other students.

5 0

3 years ago

Read 2 more answers

What is (f–g)(x)?<br> f(x)=<br> –<br> 2x2+10x<br> g(x)=<br> –<br> 3x2

WINSTONCH [101]

Answer:

What is (f–g)(x)?

f(x)=

–

2x2+10x

g(x)=11

–

3x2

12

Step-by-step explanation:

5 0

2 years ago