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Bad White [126]
3 years ago
10

Write an equation through the line point (-2,5) with slope 4

Mathematics
1 answer:
dybincka [34]3 years ago
6 0

Answer:

Step-by-step explanation:

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I WILL GIVE BRAINLIEST! PLEASE ANSWER ASAP THANKS!
timama [110]

Answer:

80

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
How can i solve 2×2+16x+y+34=0
IRISSAK [1]
PEMDAS
multiply 2x2=4 and simplify the equation by looking for like terms to combine.

4+16x+y+34=0

4 and 34 are like terms so add them. 
the simplified expression is 16x+y+38




6 0
3 years ago
Draw a structured flowchart or write pseudocode that describes the process of guessing a number between 1 and 100. After each gu
konstantin123 [22]

In pseudocode

num2guess = random(1,100)

pnum = 0

while (pnum != num2guess) {

 pnum = ask_player("What number I'm thinking?")

 if  (pnum > num2guess) {

   print("Too high.")

 } else if (pnum < num2guess) {

   print("Too low.")

 }

}

print("Good job!")

4 0
3 years ago
The travel-to-work time for residents in Ventura County is unknown. Assume the population variance is 39. How large should a sam
katen-ka-za [31]

Answer:

A sample size of 128 is needed.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.93}{2} = 0.035

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.035 = 0.965, so z = 1.81

Now, find the margin of error M as such

M = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population(square root of the variance) and n is the size of the sample.

How large should a sample be if the margin of error is 1 minute for a 93% confidence interval

We need a sample size of n, which is found when M = 1. We have that \sigma = \sqrt{39}. So

M = z*\frac{\sigma}{\sqrt{n}}

1 = 1.81*\frac{\sqrt{39}}{\sqrt{n}}

\sqrt{n} = 1.81\sqrt{39}

(\sqrt{n})^2 = (1.81\sqrt{39})^2

n = 127.8

Rounding up

A sample size of 128 is needed.

7 0
3 years ago
In the diagram below, BD is parallel to Y. What is the value of y?
Serjik [45]
The answer is A. 67 , hope this helps
5 0
3 years ago
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