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Anni [7]
3 years ago
5

What is the value of k in the equation? 20k/20^4=20^9

Mathematics
1 answer:
kompoz [17]3 years ago
4 0

20k/20⁴=20⁹

20k=20⁴×20⁹=20¹³

k=20¹³/20=20¹²

Answer: k=20¹²

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Help me please I’ll give brainliest
Lady bird [3.3K]

Answer:

x=124

Step-by-step explanation:

Hope this helps

the whole is 180

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4 0
3 years ago
Read 2 more answers
Simplify (3x² + 2y² - 5x + y) + (2x² - 2xy - 2y² - 5x + 3y).
prohojiy [21]

The simplified form for (3x² + 2y² - 5x + y) + (2x² - 2xy - 2y² -5x + 3y) is (5x² + 0y² - 10x + 4y - 2xy).

<h3>A quadratic equation is what?</h3>

At least one squared term must be present because a quadratic is a second-degree polynomial equation. It is also known as quadratic equations. The answers to the issue are the values of the x that satisfy the quadratic equation. These solutions are called the roots or zeros of the quadratic equations. The solutions to the given equation are any polynomial's roots. A polynomial equation with a maximum degree of two is known as a quadratic equation, or simply quadratics.

<h3>How is an equation made simpler?</h3>

The equation can be made simpler by adding up all of the coefficients for the specified correspondent term through constructive addition or subtraction of terms, as suggested in the question.

Given, the equation is (3x² + 2y² - 5x + y) + (2x² - 2xy - 2y² -5x + 3y)
Removing brackets and the adding we get,
3x² + 2x² + 2y² - 2y² + (- 5x) + (- 5x) + y + 3y + (- 2xy) = (5x² + 0y² - 10x + 4y - 2xy)

To learn more about quadratic equations, tap on the link below:
brainly.com/question/1214333

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7 0
2 years ago
What is 11.625 rounded to the nearest whole number
Andru [333]

Answer:

your answer is 12

Step-by-step explanation:

have a great day! :)

8 0
3 years ago
A rectangular prism has a height of 15 centimeters and a width of 6 centimeters. The surface area of the prism is 684 square cen
Kazeer [188]
B. 12 cm

a= 2(hl x wl x hw)
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3 years ago
Find the total surface area of the cylinder shown. Leave the answer in terms of π. A cylinder with radius 4.25 inches and height
olga_2 [115]

Answer:

87.125\pi in^{2} or 87\frac{1}{8}\pi  in^{2}

Step-by-step explanation:

Given Surface Area of Cylinder = 2\pi rh+2\pi r^{2},

and also given r = 4.25 inches and h = 6 inches.

Let's Substitute r and h into the formula to find the total surface area.

Surface Area of Cylinder = 2\pi (4.25)(6)+2\pi (4.25)^{2} \\=51\pi +36.125\pi \\=87.125\pi in^{2}  or 87\frac{1}{8} \pi in^{2}

5 0
2 years ago
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