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Alexxandr [17]
3 years ago
15

Which situation can be represented by the equation y = 25x + 50?

Mathematics
1 answer:
levacccp [35]3 years ago
7 0
It’s B because 25x the x represents what 25 is multiplied by and b is the only one that makes since mark me brainliest please
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Which expression is equal to 2sqrt-32?
wariber [46]

Answer:

a

Step-by-step explanation:

2\sqrt{-32} \\=2\sqrt{(-1)(32)} \\=2\sqrt{-1}\sqrt{2^5} \\=2\sqrt{-1} \sqrt{(2^4)(2)} \\=2(2^2)i\sqrt{2} \\=8i\sqrt{2}

8 0
3 years ago
Order -3.98, 3 8/9, -3 11/12, and 3.9 repeated from least to greatest
Mkey [24]

Answer:

Step-by-step explanation:

-3.98

3 8/9 = 3.888 (repeating)

-3

3.9

least to greatest :

-3.98 , -3, 3 8/9, 3.9

3 0
3 years ago
What are the best approximations of the solutions to this system?
Scilla [17]

(-1.2,-2.0) and (1.9,2.2) are the best approximations of the solutions to this system.

Option B

<u>Step-by-step explanation:</u>

Here, we have a graph of two functions from which we need to find the approximate value of common solutions. Let's find this:

First look at where we have intersection points, In first quadrant & in third quadrant.

<u>At first quadrant:</u>

Draw perpendicular lines from x-axis & y-axis from this point . After doing this we can clearly see that the perpendicular lines cut x-axis at x=1.9 and y-axis at y=2.2. So, one point is (1.9,2.2)

<u>At Third quadrant:</u>

Draw perpendicular lines from x-axis & y-axis from this point. After doing this we can clearly see that the perpendicular lines cut x-axis at x=-1.2 and y-axis at y=  -2.0. So, other point is (-1.2,-2.0).

5 0
3 years ago
GCF of 20 and another number is four. Which of these could be the other number
Nina [5.8K]

Answer:

36

Step-by-step explanation:

4 x 9=32

3 0
3 years ago
Read 2 more answers
In a sample of 16 employees randomly selected at a company, the average age is 25 years and the standard deviation is 2 years. W
pentagon [3]

If ages are normally distributed then using a significance level of 0.05 , we can claim that the population mean is greater than 24.

Given sample mean of 25 years , sample size of 16 ,standard deviation of 2 years.

We have to find whether the population average is greater than 24.

We have to use t test because n is less than 30. It is right tailed.

We have to first form Hypothesis.

H_{0}:μ>24,

H_{1}:μ<24.

t=X-μ/S/\sqrt{n}

t critical at 5% significance level and degree of freedom=15    (16-1)=1.7531

t=24-25/2/\sqrt{16}

=-1/0.5

=-2

Because 1.7531 is greater than -2 so we will accept the null hypothesis.

Hence we can say that the average of population is greater than 24.

Learn more about t test at brainly.com/question/6589776

#SPJ4

8 0
2 years ago
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