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ser-zykov [4K]
3 years ago
5

Which of the following expressions is equivalent to y+20−(1+5y)?

Mathematics
1 answer:
LuckyWell [14K]3 years ago
7 0

Answer:

19 - 4y

Step-by-step explanation:

y + 20 - (1 + 5y)

y + 20 - 1 - 5y

-4y + 19

19 - 4y

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Use the given information to find the lengths of the other two sides of the right triangle if side a is opposite angle A, side b
sveta [45]

SOH CAH TOA tells you

... cos(B) = a/c

... 4/5 = 8/c

... c = 10 . . . . . multiply by 5c/4

By the Pythagorean theorem,

... b = √c² -a²) = √(10² -8²) = √36 = 6

The lengths of the other two sides are: b = 6, c = 10.

_____

You can tell from the value of the cosine that this is a 3-4-5 right triangle. You can tell from the value of "a" that the scale factor is 2. That means the other two sides are 6 and 10.

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3 years ago
What is the smallest number that rounds to 30,000 why​
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25000

Step-by-step explanation:

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3 years ago
The volume of a rectangular prism is 6x^3 -x^2 -2x. Which model could represent the rectangular prism?
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The formula of a volume of a rectangular prism: V = lwh

l - length

w - width

h - height

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V=6x^3-x^2-2x=x(6x^2-x-2)=x(6x^2+3x-4x-2)\\\\=x[3x(2x+1)-2(2x+1)]=x(2x+1)(3x-2)\\\\Answer:\ \boxed{A.\ Height:3x-2,\ Length:2x+1,\ Width:x}

6 0
3 years ago
The points (0 1) and (1 4) are contained in the graph of an equation with only two variables x and y
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The line that passes through (0 1) and (1 4) is a linear equation

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Start by calculating the slope (m)

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The equation is then calculated as:

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This gives

y = 3(x - 0) + 1

Evaluate the product

y = 3x + 1

Hence, the equation of the points is y = 3x + 1

Read more about linear equations at:

brainly.com/question/1884491

7 0
2 years ago
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