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2 years ago

Given that the slope of the graphed linear function is -3, which formula could represent the function?

Mathematics

1 answer:

stepan [7]2 years ago

3 0

Answer: y= -3(x+4)

Step-by-step explanation:

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Timmy is selling 87 apples each apple is 1.47 each person gets 2 how many people are there

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The answer is 43 people

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3 years ago

Eli is exploring a career choices. After randomly surveying 40 companies,he determines that the annual median salary for a compu

nata0808 [166]

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2 years ago

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I really need help

Zielflug [23.3K]

Answer:

The answer is (C)

The equation of the circle is (x + 4)² + (y - 6)² = 81

Step-by-step explanation:

* To find the equation of the circle you need to know

the center of the circle and the length of its radius

* The rule of the equation of the circle is:

(x - h)² + (y - k)² = r²

Where x and y is a general point on the circle,

h and k are the coordinates of the center of the circle

and r is the radius of the circle

∵ The center of the circle is (-4 , 6)

∵ The radius of the circle is 9

∴ (x - -4)² + (y - 6)² = 9²

∴ ( x + 4)² + (y - 6)² = 81

∴ The answer is (C)

3 0

3 years ago

How would i do this problem and show my work x+9= -12

boyakko [2]

To solve this problem just do the following,
x+9=-12
-9 -9
x=-21
Check
-21+9=-12 = True

Hope this helps!=)

5 0

3 years ago

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A regular hexagon with side length 4 has the same area as a square. What is the length of the square?

svetlana [45]

Answer: The length of the square is $6.44$

Step-by-step explanation:

By definition, the area of a Regular polygon can be calculated with the following formula:

$A=\frac{s^2n}{4tan(\frac{180}{n})}$

Where "s" the length of any side of the polygon and "n" is the number of sides .

According to the information given in the exercise, you know that:

$s=4$

Since an hexagon has six sides, you know that:

$n=6$

Therefore, its area is:

$A_h=\frac{(4^2)(6)}{4tan(\frac{180}{6})}\\\\A_h=24\sqrt{3}$

The formula to find the area of a square is:

$A=s^2$

Where "s" is the length of any side of the square.

Since that regular hexagon has the same area as this square, you can substituting the area calculated above into the formula for calculate the area of a square, and then solve for "s".

Then you get:

$24\sqrt{3}=s^2\\\\\sqrt{24\sqrt{3}}=s\\\\s=6.44$

7 0

3 years ago