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scoundrel [369]
3 years ago
15

The sum of twice a number and 6 is the same as 3 subtracted from the number itself

Mathematics
2 answers:
rusak2 [61]3 years ago
8 0
3+3=6
6-3=3
the number's 3

I am Lyosha [343]3 years ago
3 0

Answer:  The required number is -9.

Step-by-step explanation:  Given that the sum of twice a number and 6 is the same as 3 subtracted from the number itself.

We are to find the number.

Let x represents the given number.

Then, according to the given information, we have

2x+6=x-3\\\\\Rightarrow 2x-x=-3-6\\\\\Rightarrow x=-9.

Thus, the required number is -9.

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Does this graph show a function? Explain how you know.​
GREYUIT [131]

Answer:

the answer is C. No, it fails the vertical line test.

3 0
3 years ago
Drug X is to be administered intravenously at a dosage of 20 mg/kg. A patient weighing 60 kg should receive
arsen [322]

Answer:

D. 1200 mg

Step-by-step explanation:

In order to find the solution we need to understand that a dosage of 20 mg/kg means that 20 mg are administered to the patient for each kg of his/her weight.

So, if the patient weight is 60 kg then:

Total drug X = (20mg/Kg)*(60Kg)=1200mg.

In conclusion, 1200 mg will be administered to the patient, so the answer is D.

5 0
2 years ago
•How do the solutions to an equation relate to the graph of the equation?
aliya0001 [1]
1. Graphs help you solve equations, and equations help you solve graphs. Because <span>the graph is a diagram of the equation, showing at its simplest the y answer for each value of x.
2. </span>You have to solve for y, graph it, and then find where the lines intersect.You can take a table and put in all the x and y values. Then you graph it.. And see where it intersects because usually these equations are lines. Also you'd wanna solve for slope-intercept form(y = mx + b)
6 0
3 years ago
I need to find g for this equation 2g−13=3.
spayn [35]

Answer:

13

Step-by-step explanation:

Step 1:

2g - 13 = 3   Equation

Step 2:

2g = 26      Add 13 on both sides

Step 3:

26 ÷ 2     Divide

Answer:

g = 13

Hope This Helps :)

3 0
3 years ago
Please help!! Questions 16-19
Flura [38]

Answer: 16. f(1)=-2

17. f(-3)=1

18. x=0

19. x=-1 and x=1

Step-by-step explanation:

16. f(1)=-2

17. f(-3)=1

18. f(x)=-3

x=0 ==> f(0)=-3

19. f(x)=-2

x=-1 and x=1 ==> f(-1)=-2, f(1)=-2

8 0
1 year ago
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