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Ratling [72]
3 years ago
15

Solve. - 1/3b = 9 A. -3 B. 3 C. - 27 D. 27

Mathematics
2 answers:
Alexxx [7]3 years ago
7 0
B=9/(-1/3)
=9•3/-1
=27/-1
=-27
C
ruslelena [56]3 years ago
3 0
-\dfrac{1}{3}b=9\ \ \ |multiply\ both\ sides\ by\ (-3)\\\\-3\cdot\left(-\dfrac{1}{3}b\right)=-3\cdot9\\\\\huge\boxed{b=-27}\leftarrow\boxed{C}
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Joeff charges 20$ flat rate plus 27$ per hour to work on cars. how many dollars does joeff earn for a 5 hour job?
Ket [755]
Answer is $155 for the job

Step by step

You can use y intercept formula for this one.

Y = mx + b
Y = Dollars earned, what you are looking for.
M= rate per hour (27)
X = hours worked (5)
B = flat rate (20)

y = (27) (5) + 20

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Problem solved!
7 0
1 year ago
True or false? The circumcenter of a triangle is the center of the only circle that can be circumscribed about it
Dafna11 [192]

Answer:

The statement is true.

Step-by-step explanation:

Given the statement we have to tell the statement is true or false.

The statement is

"The circumcenter of a triangle is the center of the only circle that can be circumscribed about it"

The circumcenter of triangle is the point in the triangle where the perpendicular bisectors of sides intersect.

The center of the circumscribed circle is the the point where the perpendicular bisectors of the sides meet.

Hence,

The circumcenter is also center of the triangle's circumcircle - the circle that pass through all three of the triangle's vertices.

Therefore, the given statement is true.

3 0
3 years ago
Read 2 more answers
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8 0
3 years ago
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Answer:

Answer:

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Step-by-step explanation

5 0
3 years ago
The second side of a triangular deck is 5 feet longer than the shortest side. The third side of the deck is 5 feet shorter than
Nitella [24]

Answer:

Step-by-step explanation:

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7 0
3 years ago
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