2 years ago

Consider the equation y = 2x + 3. Drag the red point on the graph to represent the

Mathematics

1 answer:

soldier1979 [14.2K]2 years ago

3 0

Answer:

this is the answer I check it twice

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When the function f(x) = 6(9)x is changed to f(x) = 6(9)x + 1, what is the effect? (5 points) There is no change to the graph be

amm1812

Answer:

The y-intercept is 1 space higher.

Step-by-step explanation:

y goes up by 1.

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Ira Lisetskai [31]

True.

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So they lie on the same line.

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3 years ago

Whats 20 times 30 ÷ 65

vlabodo [156]

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Find the area of an equilateral triangle (regular 3-gon) with the given measurement. 9-inch perimeter A = sq. in.

Alona [7]

Answer:

$3.9 in^2$

Step-by-step explanation:

The area of a triangle is given by

$A=\frac{1}{2}bh$

where

b is the base

h is the height

Here we have an equilateral triangle, which has the 3 sides of the same length.

Let's call L the length of one side.

We know that the perimeter of the triangle is

p = 9 in

The perimeter is the sum of the three sides, so:

$p=L+L+L=3L$

Therefore, we find the length of the side:

$L=\frac{p}{3}=\frac{9}{3}=3 in$

Therefore the length is the base of the triangle,

$b=L$

The height can be calculated by considering half triangle: the hypothenuse is equal to L, while one side is equal to half the base (b/2), therefore the height is given by Pythagorean's theorem:

$h=\sqrt{L^2-(\frac{b}{2})^2}=\sqrt{3^2-(\frac{3}{2})^2}=2.6 in$

Therefore, the area of the triangle is:

$A=\frac{1}{2}(3)(2.6)=3.9 in^2$

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2 years ago

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olga55 [171]

Answer:

Step-by-step explanation:

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