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noname [10]
3 years ago
13

9 x 27 + 2 x 31 - 28 = n

Mathematics
1 answer:
Fiesta28 [93]3 years ago
5 0
9×27+2×31-28= 7,567 
n=7,567
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An ordered pair tells us what about a system of equations ?
mash [69]

Answer:

Step-by-step explanation:

It may not tell you anything. You have to be careful how you think about the answer to this. An ordered pair is just that: it describes an x and y value and that is really all that it does.

However it may also be used to describe the solution to a system of equations which cross in one place. For example, if you plot

y = x + 1

y = -3x + 2

The ordered pair that gives the point where both equations equal the same thing is (0.25,1.25) The graph is shown below, and the ordered pair marks the solution.

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2 years ago
Find the surface area of this square pyramid
coldgirl [10]

Answer:

the answer should be 96

Step-by-step explanation:

hope this helps :)

8 0
3 years ago
Solve the following equation: 96= -6( -4-3y)<br> a. y=2<br> b.y=4<br> c.y= -2<br> d. y=6
tankabanditka [31]
               96 = -6 * (-4 - 3y) <== It's easiest to solve when the y is on the right
                    ↓
-6 * (-4 - 3y) = 96                <== Multiply the -6 by everything inside the
                                           parentheses
                    <span>↓</span>
     24 + 18y = 96                <== Subtract the 24 from both sides
                    ↓
             18y = 72                <== Divide both sides by 18
                    ↓
                 y = 4 

The correct answer is choice B. y = 4.
Hope that helped =)
3 0
3 years ago
Read 2 more answers
Solve.
Snezhnost [94]

Answer:

v = -1

Step-by-step explanation:

First, you will need to solve it step-by-step:

(4v − 9)(1 + v) = 0

Next, you need to simplify both sides of the equation:

4v(2) − 5v − 9 = 0

Now, factor the left side of equation:

(4v − 9)(v + 1) = 0

The last thing you need to do is to set all of the factors to equal to zero:

4v − 9 = 0 or v + 1 = 0

So, that means that you answer:

v=9/4 or in your case, v = −1

7 0
3 years ago
Helppp <br> what is the slope
Setler79 [48]
-1/2 I think is the slope
5 0
2 years ago
Read 2 more answers
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