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Strike441 [17]
3 years ago
7

1. Complete the inequality below to describe the

Mathematics
2 answers:
dezoksy [38]3 years ago
5 0

Domain is the entire span left to right (on the x-axis) that the graph is on. Since the graph goes from x=-4 and ends at x=4, the domain would be from -4 to 4. The circle at -4 is open, so it does not include the point at -4, just everything leading up to it. So, the domain would be

- 4 < x \leqslant 4

The range is similar, it is the entire span that the graph goes up and down (on the y-axis). The graph starts at the bottom at y=-2, and ends at y=5. The bottom point (4,-2) is closed, so the graph includes that point, and the top point (-4,5) is open and doesn't include the point. Therefore, the range would be

- 2 \leqslant x < 5

a_sh-v [17]3 years ago
4 0

Answer:

your answer is

<u><em>A</em></u>

<u><em>B</em></u>

Step-by-step explanation:

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3 years ago
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Alma is finding the measures of the angles in a triangle that have the ratio 1:3:5. circle her mistake and correct it
PolarNik [594]

Answer:

error in summing terms in x

Step-by-step explanation:

x + 3x + 5x = 180 ( collect like terms on left )

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3 0
3 years ago
Suppose that y varies directly as the square root of x, and that y=21 when x=361. What is y when x=247? (Round off your answer t
igomit [66]

Answer:

17.37

Step-by-step explanation:

y varies inversely as the square root of x

Mathematically:

y = k.root x

We first find k here

To find k, we were made to know that y is 21 and x = 361

k = y/root.x

k = 21/root. 361

k = 21/19

now what is y when x = 247

From y = k.root x

y = 21/19 * root 247

y= 21/19 * 15.72

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8 0
3 years ago
If male and female college students have the same mean GPA but the standard deviation for females is much larger, you may conclu
Elena L [17]

Answer:

D. there is more variability among female students with respect to GPA

Step-by-step explanation:

The standard deviation is a measure of how spread out from the mean the values within a set are. If the standard deviation for females is much higher, that means that the variability in GPAs for female students is higher than that of male students.

Therefore, it is fair to conclude that there is more variability among female students with respect to GPA.

4 0
3 years ago
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