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Dima020 [189]
2 years ago
7

Solve for x. (43x)⁰ B C A (272x + 2)°

Mathematics
1 answer:
Studentka2010 [4]2 years ago
5 0

Answer: x=1 ==> D

Step-by-step explanation:

Lets say y=180-43x

Hence, 2y=272x+2

y=180-43x

2y=360-86x

360-86x=272x+2

360=272x+88

272x=272

x=1 ==> D

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1. Fruits are taken successfully from a bag containing 6 avocados, 4 bananas and 5
victus00 [196]

Total 15

6+4=10+5=15

Follow me

7 0
3 years ago
What is the equation of the line parallel to 3x + 5y = 11 that passes through the point (15, 4)?
soldier1979 [14.2K]

Answer:

The answer is

<h2>y =  -  \frac{3}{5} x + 13</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the parallel line we must first find the slope of the original line

The original line is 3x + 5y = 11

We must first write the equation in the general equation above

So we have

5y = - 3x + 11

Divide both sides by 5

<h3>y =  -  \frac{ 3}{5} x +  \frac{11}{5}</h3>

Comparing with the general equation above

Slope = - 3/5

Since the lines are parallel their slope are also the same

Slope of parallel line = - 3/5

So the equation of the line using point

(15, 4) and slope - 3/5 is

<h3>y - 4 =  -  \frac{3}{5} (x - 15) \\y - 4 =  -  \frac{3}{5} x + 9 \\ y =  -  \frac{3}{5} x + 9 + 4</h3>

We have the final answer as

<h3>y =  -  \frac{3}{5} x + 13</h3>

Hope this helps you

8 0
3 years ago
What is the value of cos 0 given that (-2,9) is a point on the terminal side of 0?
bulgar [2K]

Answer:

The value of cos 0 = - 2 sqrt(85) /  85 = - 0.216930458

Step-by-step explanation:

cos 0 = ?

Point on the terminal side of 0 : (-2,9)=(x,y)→x=-2, y=9

cos 0 = x/r


r=sqrt(x^2+y^2)

Replacing the known values:

r=sqrt( (-2)^2+(9)^2)

r=sqrt(4+81)

r=sqrt(85)


cos 0 = x/r

cos 0 = -2 / sqrt(85) = -2/9.219544457 = -0.216930458


Rationalizing:

cos 0 = -[2 / sqrt(85)] [sqrt(85) / sqrt(85)]

cos 0 = - 2 sqrt(85) /  [sqrt(85)]^2

cos 0 = - 2 sqrt(85) /  85






3 0
4 years ago
2x + 5y = 6
Snezhnost [94]

Step-by-step explanation:

Given equations

2x + 5y = 6 .......i)

2x = 10 - 3y...... II)

Putting 2x = 10 - 3y in equation i

10 - 3y + 5y = 6

2y = 6 - 10

2y = - 4

y = - 4 / 2

y = - 2

Now putting y = - 2 in equation ii

2x = 10 - 3 * ( - 2)

2x = 10 + 6

2x = 16

x = 16 / 2

x = 8

So x = 8 and y = - 2

Hope it will help :)❤

7 0
3 years ago
Yvonne builds a scale model of the gateway arch in st. louis. the actual height of the gateway arch is 630 feet. the height of t
earnstyle [38]
1 inch = 7 ft
90/90 = 1 inch    630ft/90 = 7ft
3 0
3 years ago
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