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Allushta [10]
3 years ago
12

Find the slope for line with the two points (4,-5) and (3,7)

Mathematics
1 answer:
Scrat [10]3 years ago
6 0

Answer:

eh i got two answers to that question, but ima go with one which is \sqrt145

Step-by-step explanation:

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A pizza company uses equation C = 15n to calculate the cost of buying a number of pizzas. What is the constant of proportionalit
Lorico [155]

Answer:

29

Step-by-step explanation:

7 0
3 years ago
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Solve for k.<br> 2k = -7.56
Mamont248 [21]

Answer:

k= -/+3.78

Step-by-step explanation:

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8 0
3 years ago
For what value of a does 9=1/27a-3
USPshnik [31]

Answer:

a = 324

Step-by-step explanation:

9=1/27 a -3

value of a = ?

9=(1/27) a  -3

9 + 3 = (1/27) a

12 = (1/27) a

12 x 27 = a

a = 324

6 0
2 years ago
Solve the triangle, AMDM
krok68 [10]

Answer:

B

Step-by-step explanation:

You are given two sides and the included angle, so you need to use the law of cosines.

c² = a² + b² - 2ab cos C

c² = 12² + 13² - 2(12)(13)cos 134°

c² = 313 - 312(-0.6947)

c² = 529.733

c = 23.016

Now use the law of sines.

c/sin C = a/sin A

23.016/sin 134° = 12/sin A

sin A = 12 × sin 134° / 23.016

sin A = 0.37504

A = 22.03°

B = 180° - 134° - 22.03°

B = 23.97°

m<A = 22°; m<B = 24°; c = 23 km

Answer: B

6 0
1 year ago
Write the equation of the circle centered at (3, 5) and tangent to x = -1. I need help pleasse
Annette [7]

Answer:

(x - 3)² + (y - 5)² = 16

Step-by-step explanation:

the equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k ) are the coordinates of the centre and r the radius

given (h, k ) = (3, 5 ) we require to find r

r is the distance from the centre to a point on the circle

given x = - 1 is a tangent the r is the distance between the x- coordinates

r = | 3 - (- 1) | = | 3 + 1 | = | 4 | = 4

then equation of circle is

(x - 3)² + (y - 5)² = 4² , that is

(x - 3)² + (y - 5)² = 16

7 0
2 years ago
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