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Fiesta28 [93]
3 years ago
14

What are the x and y intercepts of 4x-5y=100?

Mathematics
1 answer:
boyakko [2]3 years ago
7 0
X intercept= (25,0)
y intercept=  (0,-20)
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F(x)=6x^2 +10x−1
KATRIN_1 [288]

Answer: It has two distinct real zeros.

Step-by-step explanation:

The formula that is used to calculate the discriminant of a Quadratic function is the one shown below:

D=b^2-4ac

In this case you have the following Quadractic function provided in the exercise:

f(x)=6x^2 +10x-1

Let's make it equal to 0:

0=6x^2 +10x-1

You can identify that:

a=6\\\\b=10

Knowing these values, you can substitute them into the formula and then evaluate:

D=10^2-4(6)(-1)\\\\D=124

Therefore, since:

 D>0

You can determine that the it has two distinct real roots.

3 0
3 years ago
Which number has code 21021?
spin [16.1K]
The number 17 has the code 21021
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Help me on this please
Rina8888 [55]

Answer:

x = 3.5

Step-by-step explanation:

Triangle to the right:

4^2 + x^2 = 8^2

16 + x^2 = 64

y^2 = 48

Triangle to the left:

x^2 + 6^2 = 48

x^2 + 36 = 48

x^2 = 12

x = sqrt(12)

x = 3.5

4 0
2 years ago
Prove that sin 60° = 2 tan 30°/1+ tan² 30°​
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Answer:

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A carpenter cut a board that was 10 feet long into two pieces. The longer piece is 2 feet longer than three times the length of
velikii [3]

Answer:

shorter piece: 2 feet

longer piece: 8 feet

Step-by-step explanation:

let the shorter piece be x

then the longer piece will be 3x + 2

<u>if they join together</u>:

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  • 4x = 10 -2
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<u>Longer piece</u>:

  • 3x + 2
  • 3(2)+2
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2 years ago
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