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Ad libitum [116K]
3 years ago
12

2b+8-5b+3=-13+8b-5 b=?

Mathematics
2 answers:
amm18123 years ago
7 0

Answer:

b=4

Step-by-step explanation:

im big smart

irina1246 [14]3 years ago
3 0

Answer:

b=4

Step-by-step explanation:

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$5,000 is invested at 3% interest.
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5000*0.03+0.05x=275
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2 years ago
Y = –3x 6 y = 9 what is the solution to the system of equations? (–21, 9) (9, –21) (–1, 9) (9, –1)
Romashka [77]

we have

<u>The system of equations</u>

y=-3x+6 -------> equation 1

y=9 -------> equation 2

Substitute equation 2 in equation 1

9=-3x+6

subtract 6 both sides

9-6=-3x+6-6

3=-3x

Divide by -3 both sides

x=-1

the solution is the point (-1,9)

therefore

the answer is

the solution to the system of equations is the point (-1,9)


4 0
3 years ago
Read 2 more answers
Two gears in a machine are aligned by a mark drawn from the center of one gear to the center of the other. If the first gear has
scoray [572]

Answer:

The firstgear needs to make five revolutions in order for the marks to line up again.

Step-by-step explanation:

4 0
3 years ago
The manager of the motor pool wants to know if it costs more to maintain cars that are driven more often. Data are gathered on e
Liula [17]

Answer:

b. There's no statistically significant linear relationship between the number of miles driven and the maintenance cost

Step-by-step explanation:

The p-value for the slope estimate show us how strong is the certainty that there are a linear relationship between both variables. In this case, the p-value for the slopes shows if there is a significant relationship between the number of miles driven and the maintenance cost.

If we have a high p-value like 0.7 we can said that there is no certainty in the linear relationship. it means that there's no statistically significant linear relationship between the number of miles driven and the maintenance cost.

5 0
2 years ago
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