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2 years ago

How will the graph of line y = -5x + 7 be affected if the 7 is changed to –7?

Mathematics

2 answers:

dybincka [34]2 years ago

7 0

Answer:a

Step-by-step explanation:

PtichkaEL [24]2 years ago

4 0

Answer is D

the reason it's because you only changed the Y intercept number to a negative so it will shift down the graph 14 units because if you have no adding number then your graph will start at 0 but it's -7 so it starts at -7 so now shift 14 places down

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The probability distribution for a random variable x is given in the table X: -5,-3,-2,0,2,3 Probability: .17,.13,.33,.16,.11,.1

Ivan

Answer:

0.6 probability that $-2 \leq x \leq 2$

Step-by-step explanation:

The probability distribution is given in the table.

Probability that x is between -2 and 2.

Between -2 and 2, inclusive, we have -2, 0 and 2. So

$P(-2 \leq x \leq 2) = P(X = -2) + P(X = 0) + P(X = 2)$

From the table:

$P(X = -2) = 0.33, P(X = 0) = 0.16, P(X = 2) = 0.11$ . So

$P(-2 \leq x \leq 2) = P(X = -2) + P(X = 0) + P(X = 2) = 0.33 + 0.16 + 0.11 = 0.60$

0.6 probability that $-2 \leq x \leq 2$

4 0

2 years ago

a 4 sided cube, numbered 1-4, is rolled twice. Determine the sample space. how many possible outcomes are there?

kherson [118]

Answer:

Step-by-step explanation:

1 1

1 2

1 3

1 4

2 1

2 2

2 3

2 4

Three and four are done exactly the same way. the total is 16 ways.

3 0

3 years ago

Which equation represents the function shown in the input-output table?

stepladder [879]

Answer:

Equation B

Step-by-step explanation:

Equation B because:

it is 7x + 3

so for the first one, it's 7 + 3

the second one is 14 + 3

the third one is 21 + 3

the fourth one is 28 + 3

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4 0

2 years ago

Selma cannot remember her locker number! She knows that her locker number is prime, and that it is a factor of 435. What are all

tatuchka [14]

Answer:

Possible locker numbers for Selma are: 3, 5 and 29

Step-by-step explanation:

First of all, let us have a look at the definition of a prime number.

A <em>prime number</em> is a number which is divisible either by 1 or the number itself.

No other number divides the prime number other than 1 and the number itself.

Now, let us factorize the given number 435 and let us observe the what all possibilities are there.

$435 = 3\times 145$

Factorizing 145 further:

$435 = 3\times 5\times 29$

No further factors are possible.

Therefore 3, 5 and 29 are the prime factors of 435.

So, the answer is:

Possible locker numbers for Selma are: 3, 5 and 29

3 0

2 years ago

Find the difference for the subtraction 7.211- 5.24

Serhud [2]

Answer:

1.971

Step-by-step explanation:

7.211 - 5.24 = 1.971

4 0

2 years ago

Read 2 more answers