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Aleonysh [2.5K]
3 years ago
8

If a base is negative, how will you know whether the answer is positive or negative before evaluating it?

Mathematics
2 answers:
jeka943 years ago
5 0
You can determine if the answer is positive or negative because the even numbers are positive and the odd numbers are negative
Gwar [14]3 years ago
3 0

Sample Response: When evaluating a power with a negative base, the solution is positive or negative depending on whether the exponent is odd or even. If odd, the value will be negative. If even, the value will be positive.


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-3x-7y=37 which ordered pair is a solution to this equation
docker41 [41]
In this item, we are not given with the choices for the ordered pair which could be the solution to the given equation. What can be done is to assume a value for one of the variables and solve for the other. To be able to find one that satisfies let x be equal to zero and substitute to the given equation.

    -3(0) - 7y = 37

Simplifying,
  
    -0 - 7y = 37

The value of y from the equation is 37/7. Thus, one of the ordered pairs that satisfies the equation is,

   (0, 37/7)
7 0
3 years ago
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A college student took 4 courses last semester. His final grades, along with the credits each class is worth, are as follow: A (
NikAS [45]

Answer:

A college student took 4 courses last semester. His final grades, along with the credits each class is worth, are as follow: A (3), B (4), C (2), and D (3). The grading system assigns quality points as follows: A: 4; B: 3; C: 2; D: 1; and F: 0. Find the student’s GPA for this semester. Round your answer to the nearest thousandth.

another way is

This is a weighted average question. You are going to "weight" each course by the number of credits it is worth and then divide by the total number of credits. In other words, you are going to multiply each grade (A=4, B=3) by the number of credits attached to that grade. This will ensure that the courses that have more credits count more in the overall average. Then you are going to divide by the total number of credits to get the overall GPA.

So,

(3*4 + 4*3 + 2 *2 + 3*1)/(3+4+2+3) = GPA

Step-by-step explanation:

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6 0
3 years ago
Find the degree of w
lorasvet [3.4K]

Sum of angles of a linear pair = 180. So angle with measurement 142 and the adjacent angle to it have a sum = 180.

THerefore 142+y=180

Subtracting 142 from both sides

y = 38

Now in the down right sides corner triangle

38+49+w=180

87+w=180

Subtracting 80 from both sides,

w = 93

So the measurement of angle w = 93 .

4 0
3 years ago
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What is the length of segment VS?<br> O 3 units<br> 11 units<br> 13 units<br> O 15 units
sergeinik [125]

Answer:

VS = 11

Step-by-step explanation:

If u could subscribe to penny_pg3d on YT, that would be great :)

5 0
2 years ago
Is 0.26 is closer to 0, 1/2 or, 1
professor190 [17]
Here, we know 1/2 = 0.50
So, the difference between 0.50 & 0.26 is 0.24
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1 is very apart from 0.26 as compared to other two

So, It is closer to 1/2

Hope this helps!
8 0
3 years ago
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