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djverab [1.8K]
4 years ago
6

What is the slope of the line described by the equation y = - 2x - 4?

Mathematics
2 answers:
scoray [572]4 years ago
7 0
The correct answer is x=2
Sedbober [7]4 years ago
6 0

Answer:

the slope is m= -2

Step-by-step explanation:

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Solve two sixths times three fifths.
Artemon [7]

Answer: 2/6 times 3/5 = 1/5

Step-by-step explanation:

8 0
3 years ago
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How do I find the radius of a circle
katovenus [111]

Answer:

Step-by-step explanation:

Just remember to divide the diameter by two to get the radius. If you were asked to find the radius instead of the diameter, you would simply divide 7 feet by 2 because the radius is one-half the measure of the diameter. The radius of the circle is 3.5 feet. You can also use the circumference and radius equation.

6 0
4 years ago
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John runs 4 miles in 30 minutes. at the same rate, how many miles would he run in 48 minutes?
dimulka [17.4K]
Make a ratio, then cross multiply.

4/30=x/48

30x=4x48
30x=192
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3 0
4 years ago
Enter numbers in the boxes to write an equation that is equivalent to 3/4b−2/3b=−9
Nana76 [90]

Answer:

3/4b−2/3b=−9 = -108. so, i just used equivalent fractions of both of those numbers :D

Step-by-step explanation:

6/8b - 4/6b = -9

5 0
3 years ago
Help me with this please
alina1380 [7]
If you assign variables to the problem, it can make things a lot simpler. Lets say chairs are x and tables are y. Therefore you have:
2x+6y=40 
5x+3y=25
Now you can isolate the variable of one equation and put it into another (it doesn't matter which. I'm going to manipulate the top equation to plug into the bottom one).
2x=40-6y 
x=20-3y
Now I plug into bottom equatioin:
5(20-3y) + 3y=25
100-15y+3y=25
100-12y=25
-12y=-75
y=$6.25
Now you can plug in y in either equation to get x. 
2x+6(6.25)=40
37.5+2x=40
2x=2.5
x=1.25
So it costs $6.25 for each table and $1.25 for each chair. If you think about it, it would make sense for the table to cost more for the chair. 
6 0
4 years ago
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