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Digiron [165]
2 years ago
6

Work out the size of angle x

Mathematics
1 answer:
mestny [16]2 years ago
5 0

Answer:

97 degrees

Step-by-step explanation:

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How to solve for slope? (pre algebra)
STALIN [3.7K]

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Ok! When given points, to find the slope, you would use this equation: y2-y1/x2-x1. Let me demonstrate. In this set to find the slope with the coordinates (10,8) and (14,20), the y2 value is 20, and the y1 value is 8, and the x2 value is 14, and the y1 value is 10. So, your equation would look like this: (20-8)/(14-10), which simplifies to 12/4, or 3! So the slope is three, and that's how you do that when using an equation. OR, you could graph them, but that isn't too reliable so I do not recommend trying it, since you may not create the right slope.

4 0
2 years ago
Differentiate 3x^2-5x​
weqwewe [10]

Answer:

6x - 5

Step-by-step explanation:

Let  \: y = 3 {x}^{2}  - 5x \\  \\  \frac{dy}{dx}  =  \frac{d}{dx} (3 {x}^{2}  - 5x) \\  \\  = 3 \frac{d}{dx}  {x}^{2}  - 5 \frac{d}{dx} x \\  \\  = 3(2x) - 5(1) \\  \\   \boxed{\boxed{\huge \purple{\frac{dy}{dx}} \pink{  = } \orange{6x - 5}}}

3 0
2 years ago
Please help with this pls.
allochka39001 [22]

Answer:

x = 9

(5x9) - 1° = 45 - 1 or 44°

Step-by-step explanation:

the little square indicates the angle is a right angle, measuring 90°

therefore, you can solve for 'x' by creating this equation:

46 + 5x-1 = 90

45 + 5x = 90

5x = 45

x = 9

5 0
2 years ago
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