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Allisa [31]
3 years ago
11

Which of the graphs below represents the equation 4x + y = 7?

Mathematics
1 answer:
cupoosta [38]3 years ago
8 0

Answer:

Graph C

Step-by-step explanation:

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HELPPP ASAP PLEASE FOR BRAINLEST
Rasek [7]

Answer:

D

Step-by-step explanation:

A system of linear equations has infinite solutions when the graphs are the exact same line.

Therefore, the answer is D

7 0
2 years ago
May you please help me figure out every angle?​
djyliett [7]

Answer:

<D = 82°

<E = 49°

<F = 49°

Step-by-step explanation:

This is an isosceles triangle because two of the sides are the same length which means the 2 bottom angles are the exact same which means we can set them equal to each other to solve for it.

8 0
3 years ago
This year the CDC reported that 30% of adults received their flu shot. Of those adults who received their flu shot,
Vlad [161]

Using conditional probability, it is found that there is a 0.1165 = 11.65% probability that a person with the flu is a person who received a flu shot.

Conditional Probability

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

  • P(B|A) is the probability of event B happening, given that A happened.
  • P(A \cap B) is the probability of both A and B happening.
  • P(A) is the probability of A happening.

In this problem:

  • Event A: Person has the flu.
  • Event B: Person got the flu shot.

The percentages associated with getting the flu are:

  • 20% of 30%(got the shot).
  • 65% of 70%(did not get the shot).

Hence:

P(A) = 0.2(0.3) + 0.65(0.7) = 0.515

The probability of both having the flu and getting the shot is:

P(A \cap B) = 0.2(0.3) = 0.06

Hence, the conditional probability is:

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.06}{0.515} = 0.1165

0.1165 = 11.65% probability that a person with the flu is a person who received a flu shot.

To learn more about conditional probability, you can take a look at brainly.com/question/14398287

7 0
2 years ago
Which of the following represents a function?
Svetlanka [38]
Is there a none option? if not then it has to be B.
7 0
3 years ago
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If the dot product of two nonzero vector v1 and v2 is zero, what dose this tell us
tino4ka555 [31]

It means that the two vectors are perpendicular or orthogonal

3 0
3 years ago
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