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creativ13 [48]
3 years ago
7

1/2 of a number added to 6 is 16. What is the number?

Mathematics
2 answers:
tatuchka [14]3 years ago
8 0

Answer:

20

Step-by-step explanation:

16=1/2n+6

10=1/2n

20=n

Genrish500 [490]3 years ago
6 0

Answer:

2

Step-by-step explanation:

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Find the solution to the system of equations x + y = 9 and x - y = -1.
Galina-37 [17]

Answer:

(4, 5 )

Step-by-step explanation:

x + y = 9 → (1)

x - y = - 1 → (2)

adding the 2 equations term by term will eliminate y

2x + 0 = 8

2x = 8 ( divide both sides by 2 )

x = 4

substitute x = 4 into either of the 2 equations and solve for y

substituting into (1)

4 + y = 9 ( subtract 4 from both sides )

y = 5

solution is (4, 5 )

6 0
2 years ago
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Find the Area of the figure below, composed of a parallelogram and two semicircles. Round to the nearest tenths place.
svet-max [94.6K]

Answer:

100.3 units²

Step-by-step explanation:

✅Find the area of the parallelogram:

Area of Parallelogram is given as base × height

base = 10

height = 5

Area of Parallelogram = 10*5 = 50

✅Next, find the area of the two semicircles:

The two semicircles = 1 circle

Area of circle = πr²

r = 8/2 = 4

Area = π*4² = 16π = 50.3 (nearest tenth)

✅Area of figure = 50 + 50.3 = 100.3 units²

3 0
3 years ago
What is slope intercept form?
emmainna [20.7K]

Answer:

Step-by-step explanation:

The equation of the line is written in the slope-intercept form, which is: y = mx + b, where m represents the slope and b represents the y-intercept. In our equation, y = 6x + 2, we see that the slope of the line is 6.

Hope this helps :)

5 0
1 year ago
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John eats 2/5 of an apple pie and then jia eats a third of what left. what fraction of the pie is left after both of them eat?​
Fudgin [204]

Answer:

Step-by-step explanation:

1-1-1-1-1 = 5 apple pies

Divide the apple pie into 5 pieces

Then you take away 2 out of the 5 pieces = 3 pies left

Then you take one pie (1/3rd) from the 3 pies left = 2

Answer is 2

8 0
2 years ago
Solve for x y=8x y=72
Zielflug [23.3K]
X = 9

72 / 8 = 9

8 x 9 = 72 


6 0
3 years ago
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