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Gennadij [26K]
3 years ago
6

Solve this equation please 15-5(4c-7)=50

Mathematics
1 answer:
WITCHER [35]3 years ago
7 0

Answer:

not sure but i think c=12

15-5=10

10x4c-7=50

10× 4c-7/4=50

10×(c-7)=50

10c-7=50

10c/10=50/10

c-7/7 =5

c=5+7=12

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3 years ago
What is the area of triangle pqr on the grid? a triangle pqr is shown on a grid. the vertex p is on ordered pair 7 and 6, vertex
horsena [70]

P(7,6), Q(1,6), R(4,2)

We have PQ parallel to the x axis. We'll call that the base,

b = 7 - 1 = 6

The altitude is then the y difference h = 6 - 2 = 4

The area is \frac 1 2 bh = \frac 1 2 (6)(4) = 12

Answer: 12 square units


In general we can use the shoelace formula for the area of any polygon given coordinates. We write the points like this:

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(1,6), (4,2), (7,6)

The area is then half the absolute value of the sum of the cross products:

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6 0
3 years ago
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Simplify the radical expression √(5) + 6√(5)
Evgesh-ka [11]
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cause

</span><span>√(5) + 6√(5)
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8 0
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Help please give answer please
Vsevolod [243]

The mean is 8 gerbils and the MAD is 4.29.

<h3>What is the mean?</h3>

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| (0 - 8) + (3 - 8) + (6 - 8) + (9 - 8) + (11 - 8) + (13 - 8) + (14 - 8)| / 7 = 4.29

To learn more about mean, please check: brainly.com/question/25842202

#SPJ1

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2 years ago
Using the Pythagorean Theorem, which two examples are right triangles?
eimsori [14]

Answer:

2 and 4

Step-by-step explanation:

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