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Sergio039 [100]
3 years ago
14

20/8 = 4K/32 help pls

Mathematics
1 answer:
Elis [28]3 years ago
8 0

Answer:u

Step-by-step explanation:

20/8 = 4K/32

5/2 = K/8

Cross multiply

2K = 5×8

2K = 40

K = 40/2

K = 20

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3. By solving the equation x2 + 4x = 12 using trial and error,
Nesterboy [21]

Answer:

C

Step-by-step explanation:

I hope this is correct and have a great day

8 0
2 years ago
Xy=1 in polar coordinates
Marianna [84]
xy=1\iff (r\cos\theta)(r\sin\theta)=r^2\sin\theta\cos\theta=\dfrac12r^2\sin2\theta=1
\implies r^2=2\csc2\theta
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where we ignore the second root and use the convention that r>0.
8 0
3 years ago
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If si A / 1+ cosA 1+cosA / sin A = 4, prove A = 30​
stich3 [128]

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Hi

Step-by-step explanation:

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3 years ago
Can you solve this equation???
ad-work [718]

Answer:

-6

Step-by-step explanation:

Move the variable to the left hand side and change its sign.

5 - 2x + 4x = -7

Collect like terms.

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2x = - 7 - 5

Calculate the difference.

2x = -12

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5 0
3 years ago
What are the coordinates of the point that is 1/6 of the way from a(14,-1) b(-4,23)
Nimfa-mama [501]

Answer:

\text{The coordinates of point is }P(a,b)=(\frac{80}{7}, \frac{17}{7})

Step-by-step explanation:

\text{Given the coordinates of point that is }\frac{1}{6}\text{ of the way from a(14, -1), b(-4, 23)}

\text{If a point }P(a, b)\text{ divides the line joining two points }(x_1,y_1)\text{ and }(x_2, y_2)\\ \text{ in the ratio m:n internally, then the coordinates of point P are given by}

P(a,b)=(\frac{mx_2+nx_1}{m+n}, \frac{my_2+ny_1}{m+n})

The two points given are a(14, -1), b(-4, 23) and ratio m:n=1:6

P(a,b)=(\frac{1(-4)+6(14)}{1+6}, \frac{1(23)+6(-1)}{1+6})

P(a,b)=(\frac{80}{7}, \frac{17}{7})

8 0
3 years ago
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