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weqwewe [10]
2 years ago
11

Can someone please tell me the answer and explain how to do this, no links please thank you

Mathematics
1 answer:
avanturin [10]2 years ago
7 0
<h2>If this is work out the gradient then here:</h2>

Step-by-step explanation:

3-0= 3

2-(-2)= 4

3/4= 0.75

<h3>Equation of a gradient is </h3><h2>\frac{y^2-y^1}{x^2-x^1}</h2>
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Which of the following is not a function?
rusak2 [61]
Answer: B

Number on the left: x-value
Number on the right: y-value

If there are 2 y-values for one x-value it is NOT considered a function.

For instance in the answer:

(2,3), (2,4), (3,3), (3,4)

You can clearly see that the x-values (2 & 3) repeat more than once; therefore, it is NOT a function.

On the other hand if you have 2 DIFFERENT x-values for the same y-value it IS A FUNCTION.

For ex D: (2,4), (3,4), (5,4), (6,4)

As you can see there are 4 DIFFERENT x-values with same y-value; therefore it is A FUNCTION

To make it easier:

If x-values appear more than once = NOT A FUNCTION

If x-values appear only ONCE = FUNCTION

Remember: y-values are ALLOWED to repeat

I hope this helps. If you have any questions please let me know in the comments.
4 0
2 years ago
What is the rate of change for y=2/3x+4
goblinko [34]

Answer:

Increase Y by 2 and increase X by 3

Step-by-step explanation:

3 0
3 years ago
Can someone please explain to me how to solve this equation?
Nikolay [14]

Answer:

first of all erase what u have written

Step-by-step explanation:

<h2>Q: 25-(3x+5)=2(x+8)+x</h2>
  • 25-3x-5=2x+16+x
  • 20-6x=16
  • 6x=4
  • x=2/3
6 0
3 years ago
4. A mountain climber needs to descend 2,000 feet.
DENIUS [597]

Answer:

C. 500 ft

Step-by-step explanation:

If we want to make it all equal, we can divide the 2,000 ft by 4 because we have 4 equal descents.

2000 ÷ 4 = 500

He should travel <u>500 feet</u> in each descent.

8 0
2 years ago
Find the value of X in the triangle shown below.
Travka [436]

Answer:

50

Step-by-step explanation:

The sum of a triangle's angles are 180 so since you know one angle is 80, you would put 2x + 80 = 180, which would be 2x = 100, which simplifies to x = 50

5 0
3 years ago
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