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Taya2010 [7]
3 years ago
12

Solve for x 10x - 72 3x - 4

Mathematics
1 answer:
ratelena [41]3 years ago
8 0

Answer:

16

Step-by-step explanation:

3x - 4 = \frac{1}{2}(10x - 72)

⇔ 6x - 8 = 10x - 72

⇔ 4x = 64

⇔ x = 16

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1 minus 2 over x minus 3 over x squared divided by 1 minus 9 over x squared
Wittaler [7]
Are you familiar with PEMDAS?

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8 0
3 years ago
(3,7)(2,6) Find the equation for the line that falls through the two ordered pairs
Alexxandr [17]

Answer: The equation for the two given points is y=x+b


Step-by-step explanation:

Step 1. First find the slope: 6-7/2-3 = -1/-1=1. The slope is just 1, or x. So for now, the equation is y=x+b

Step 2. We must find the y-intercept, or B. We can plug in any points to find b. Let's use (2, 6) (but you can use (3, 7) too, it doesn't matter) Plug 2 in for x, since 2 represents x, and then do the same for y. ---> 6=2+b.

Step 3. Simplify. 6=2+b. 6-2=2-2+b ---> b=4. Subtract both sides by 2 to get B.

The equation for the two given points is y=x+b

Hope this helps.

7 0
3 years ago
You What mass of makes up 70 percent of all planetary mass in the solar system
MA_775_DIABLO [31]
My guess would be Jupiter But I'm not sure. Its certainly massive!!
7 0
4 years ago
length of 7.5 ft. and a width of 3 ft. If he uses a scale of 1 foot = 2.2 inches to create his drawing, what is the width of Rob
slega [8]

Length: 16.5 in

Width: 6.6 in

Area: 108.9 in

Perimeter: 23.1 in

Step-by-step explanation:

Length: 7.5 • 2.2 = 16.5

Width: 3 • 2.2 = 6.6

Area: 16.5 • 6.6 = 108.9

Perimeter: 16.6 + 6.6 = 23.1

I hope this helps! I did everything possible just to make sure you got the right information :)

4 0
4 years ago
Can i have some help please?
bonufazy [111]

Answer:

42°

Step-by-step explanation:

given OA and OC are perpendicular, the angle between the lines are 90°

this means that ∠AOB and ∠BOC add up to 90°, i.e.

(6x-6) + (5x+8) = 90

6x-6 + 5x+8 = 90

11x - 6 +8 = 90

11x + 2 = 90 (subtract 2 from both sides)

11x = 90- 2

11x = 88 (divide both sides by 11)

x = 8  

Hence, m∠BOC

= 6x - 6

= 6(8) - 6

= 48 - 6

= 42°

6 0
3 years ago
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