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Vladimir79 [104]
3 years ago
6

How do you write the set notation for the graph below?

Mathematics
1 answer:
Ganezh [65]3 years ago
8 0

The dot on -1 is open, so the number -1 is not included. You need all real numbers greater than -1.

Answer: D

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Consider the function: profit= 10(number of items sold)-100. If no items are sold
NeTakaya

Answer:

B - there is a loss of $100

Step-by-step explanation:

Since nothing got sold, your equation becomes 10(0) - 100, or just -100, meaning $100 was lost.

Hopefully this helps- let me know if you have any questions!

6 0
3 years ago
Tim’s quizzes count for 50% of his grade, his notes counts for 20% of his grade, and tests count for 30% of his grade. If he has
sladkih [1.3K]
To find Tim's overall score, first we must find the sum of his scores from quizzes, notes, and tests.

Hence, we have

quizzes = (5 + 2 + 9) = 16/3
notes = (3 + 9 + 5)/3 = 17/3
tests = (9 + 5 + 9)/3 = 23/3

Now, we must consider the percentage that these tests contribute to his overall score. So we have the following:

quizzes = 0.5(16)/3 = 8/3
notes = 0.2(17)/3 = 3.4/3
tests = 0.3(23)/3 = 6.9/3

We now add these to find the overall score which is 8 /3+ 3.4/3 + 6.9/3 = 18.3/3 = 6.1.

Thus, Tim's overall score is 6.1.

Answer: 6.1
7 0
3 years ago
Find the greatest common factor of 7x and 4x?.
Andru [333]

Answer:

GCF = x

Step-by-step explanation:

The factor decomposition is:

7 * x   for the first term

2 * 2 * x for the second term.

The ONLY common factor is "x", and the maximum power at which it appears in BOTH terms is "1" (one)

Therefore GCF = x

6 0
3 years ago
What is the equation in point slope form of the line that passes though the point (-1, -3) and has a slope of 4
Marizza181 [45]
Y-b=m(x-a)
Y+3=4(x+1)
Y=4x+4-3

Y=4x-1
4 0
3 years ago
PLEASE HELP
Leto [7]

Answer:

N = -2M + 110

Step-by-step explanation:

Use the point (70, 20) and (50, 30) to find the slope. Use rise/run.

You go down 20 and right 10, so the rise/run is -20/10 which reduces to -2.

To find the y-intercept, go to the y axis and see where the intersects it which is 110.

N = -2M + 110

5 0
3 years ago
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