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3 years ago

What is the equation of a line that is parallel to the line x=-2and passes through the point (-5, 4)?

1 answer:

6 0

First, it is important to understand that any equation that is x=some number is just a vertical line that hits the x-axis at the given number. For example, x=-2 would be a vertical line hitting the x-axis at -2. Therefore, the line we are trying to identify would also be vertical (and have the form x=some number) because we know the lines are parallel. Then, since we're given the point (-5,4), we know the line needs to hit the x-axis at -5, therefore the equation would be x=-5.

I hope this helps.

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How could you find an even better estimate of the square root of 2

vodomira [7]

Answer:

First of all you need to know the $\sqrt {4}$ it's equal to 2 and

$\sqrt {1}$ which is the number is between 1 and 2 and between that number there maybe the possibilities of above 0.5 or under 0.5

After that Figure out which one was bigger? $\sqrt {2}$ or $\sqrt {3}$ ? The answer is $\sqrt {3}$ and $\sqrt {3}$ also near to $\sqrt {4}$ so it should be above 0.5 .

So we know that $\sqrt {2}$ is between 1 and 1.5.

Hopes that information was help you a lot

6 0

3 years ago

For a certain population of men, 8 percent carry a certain genetic trait. For a certain population of women, 0.5 percent carry t

Lena [83]

Answer:

(D) 200 men and 2,000 women

Step-by-step explanation:

To have an approximately normal distribution for the difference between proportions, we have to have sample sizes that are big enough to satisfy this conditions:

$np>10\\\\n(1-p)>10$

For men, we have p=0.08, so we have:

$n*0.08>10\Rightarrow n>125\\\\n(1-0.08)=n*0.92>10 \Rightarrow n>11$

The sample size for men has to be at least 125 individuals.

For women, we have p=0.005:

$n*0.005>10\Rightarrow n>2000\\\\n(1-0.005)=n*0.995>10 \Rightarrow n>11$

The sample size for women has to be at least 2000 individuals.

The option that satisfy the requirements for men and women is Option D, as the others don't have enough sample size for women.

5 0

3 years ago

Two siblings ' ages have a sum of 64 years . The older sibling was born 6 years before their young sibling . Write a system of 2

ELEN [110]

Answer:

younger sibling = 29 years

older sibling = 35 years

Step-by-step explanation:

Let

x = younger sibling

y = older sibling

x + y = 64 (1)

The older sibling was born 6 years before their young sibling

x = y - 6 (2)

Substitute x = y - 6 into (1)

x + y = 64

y - 6 + y = 64

2y = 64 + 6

2y = 70

y = 70/2

y = 35 years

Substitute y = 35 into (2)

x = y - 6

x = 35 - 6

x = 29 years

6 0

3 years ago

I need help on this

ElenaW [278]

The proof is because it has a right angle.... I think :)

5 0

3 years ago

Gary took 7 hours to mow 4 lawns, then at that rate, how many lawns could be mowed in 35 hours?

Pavlova-9 [17]

Answer: 20 lawns

Multiply each by 5 times for 20 yay woo hoo

4 0

3 years ago

Read 2 more answers