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zhuklara [117]
3 years ago
10

Simplify (-8)(-2) + 11 027 0 -1 0-5

Mathematics
1 answer:
Schach [20]3 years ago
4 0
Answer:-5
-8x-2=-16
-16+11=-5
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Select the equation that contains the point (3, -9), and in which the graph of the line has a positive slope.
Kamila [148]
First thing to do is to solve each of these for y.  The first one is y=-4x-3; the second one is y=4x-21; the third one is y=4x+21; the fourth one is y=-4x+3.  From that you can tell the positive slopes are found in the second and third equations.  Those are the ones we will test now for the point (3, -9).  y=-9 and x=3, so let's fill in accordingly.  The second equation filled in is -9=4(3)-21.  Does the left side equal the right when we do the math?  -9=12-21 and -9=-9.  So the second one works.  Just for the sake of completion, let's do the same with the third: -9=4(3)+21.  Does -9=12+21?  Of course it doesn't.  Our equation is the second one above, y+9=4(x-3).
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3 years ago
HELP!!!!In 2004, school lunch Rockwell high school was $2.20.In 2009 the costs increased to $3.25. Find the annual rate of chang
arsen [322]

Answer:

$0.21 per year

Step-by-step explanation:

$0.21 times 5 years equals $1.05

So its $0.21

5 0
3 years ago
Which of the following is the solution to 6/(x+2) = 5/4x?
Oliga [24]

Answer:

The answer to your question is     x = 10/19

Step-by-step explanation:

Equation

                      6 / (x + 2) = 5 / 4x

To solve this equation use cross multiplication

                      6(4x) = 5(x + 2)

Simplify

                     24x = 5x + 10

Subtract 5x in both sides of the equation

                     24x - 5x = 5x - 5x + 10

Simplify

                     19x = 10

Divide by 19 both sides

                     19x/19 = 10/19

Simplify

                         x = 10/19

6 0
3 years ago
Find the median.<br> 2, 20, 19, 15, 11,9,7,1<br> OA. 10<br> OB.<br> 10.5<br> c. 19<br> D. 20
pickupchik [31]

Answer:

A. 10

Step-by-step explanation:

First put the numbers in order from least to greatest then find the two numbers in the center of that since there is an even number of numbers there will be two the add and divide by two and you get 10.

1,2,7,9,11,15,19,20

9+11=20

20/2=10

3 0
3 years ago
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Joe Traffic gained 986 yards during football season.Ziggy Fumble lost 118 yards during the season.What was the difference in the
Bond [772]

Joe is positive 986 yards

Ziggy is negative 118 yards

the total difference is 986 +118 = 1,104 yards

6 0
3 years ago
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