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densk [106]
3 years ago
13

To pass a course with a C ​grade, a student must have an average of 70 or greater. A​ student's grades on three tests are 69​, 7

5​, and 64. Find what score the student must get on the next test to get a C average
Mathematics
1 answer:
mario62 [17]3 years ago
8 0

Answer:

72

Step-by-step explanation:

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Nimfa-mama [501]

x

Step-by-step explanation:

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2 years ago
Which equation can pair with x-y=-2 to create a consistent and dependent system?
MrRissso [65]

See the explanation

<h2>Explanation:</h2>

A system that has one or infinitely many solutions is called <em>consistent. </em>If an equation in a system tells us no new information then the equations of the system are <em>dependent. </em>In other words, to find an equation that creates a consistent and dependent system with the given equation we have to get the same line:

The given line is:

x-y=-2

If we multiply both sides of the equation by a constant we will have the same line when plotting, therefore let's multiply by 3:

3(x-y)=3(-2) \\ \\ 3x-3y=-6

So a system of two linear equation that is consistent and dependent is:

\left \{ {{x-y=-2} \atop {3x-3y=-6}} \right.

<h2>Learn more:</h2>

Graph of lines: brainly.com/question/14434483#

#LearnWithBrainly

3 0
3 years ago
If x2 + mx + m is a perfect-square trinomial, which equation must be true?
Volgvan
Your answer is x² + 2x + 1
7 0
3 years ago
Read 2 more answers
The associative property changes the ____ of three addends or factors.
4vir4ik [10]

The associative property allows you to change the <em>grouping</em> of addends or factors without changing the value of the expression.

4 0
3 years ago
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I really need help with this guys please help it’s due tomorrow and I’m so frikin dumb
il63 [147K]

Possible 24 impossible 3

5 0
2 years ago
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