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Harrizon [31]
3 years ago
11

Solve the equation. 3(2x+5)=-6=9 What does x equal?

Mathematics
2 answers:
Ne4ueva [31]3 years ago
7 0

Answer:

x = -2

Step-by-step explanation:

Expand:

6x + 15 = -6 + 9

6x + 15 = 3

Put 15 on the other side

6x + 15 - 15 = 3 - 15

6x = -12

x = -2

grandymaker [24]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

3(2x+5) =-6 +9

6x +15 =3

6x=3 - 15

6x =-12

x=-12:6

x=-2

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Brady creates the graph below to keep track of the approximate height of the grass on his
IgorC [24]

Answer:

<h2>Time is the independent variable and Height of the Grass is the dependent variable.</h2>

Step-by-step explanation:

The graph is about the height of the grass thourgh time, that means Brady is analysing how long it takes to the grass to grow.

It's important to know that time is a variable which doesn't depends on any other variabel, that is, it's an independent variable all the time.

Therefore, Time is the independent variable and Height of the Grass is the dependent variable.

This is just simple deduction, because the grass grows through time, it doesn't happen in the opposite way, time doesn't change accoring to the height of the grass.

7 0
3 years ago
Use the distributive property to simplify -8(5x-3)
Alexxandr [17]

Answer:

-40x+24

Step-by-step explanation:

Use distributive property.

-8(5x-3)\\\rightarrow -8 * 5x = -40x\\\rightarrow -8*-3= 24\\\\\text {So: }-8(5x-3) \rightarrow -40x+24

6 0
4 years ago
Read 2 more answers
How can i solve 8(3a+6)=9(2a-4)
jeka57 [31]

Answer:

-14

Step-by-step explanation:

1.  Carry out the indicated multiplication, obtaining 24a + 48 = 18a - 36.

2.  Combine like terms:  6a = -84.

3.  Divide both sides by 6 to isolate a:  a = -84/6 = -14


8 0
3 years ago
If the nurse to patient ratio is 3:15, how many nurses would you expect to see in a unit with 37 patients?
Yanka [14]
If there are 3 nurses to every 15 patients, that means there is 1 nurse to every 5 patients since we can divide by 3 to simplify the ratio.
in order to find how many nurses would care for 37 patients, we can divide by 5.
37/5 = 7.4 nurses.
however, we cannot have .4 of a nurse, so you can either say 7 nurses or 8 nurses, but 7.4 rounds down to 7.
4 0
2 years ago
Consider the line y = 4x + 9. If a second line is perpendicular to this one, what is its slope?
mart [117]

Answer:

Step-by-step explanation:

slope of line perpendicular to y=mx+c is -1/m

so here reqd. slope=-1/4

7 0
3 years ago
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