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2 years ago

Explain what a ratio is in your own words.

2 answers:

8 0

The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.

Step-by-step explanation:

Hope it helps

Anuta_ua [19.1K]2 years ago

5 0

Answer:

a ratio is a proportion indicating coorelation between two different things

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2x + y + z when x= -2 and y=3 z=5

ruslelena [56]

Answer:4

Step-by-step explanation:2x+y+z=2(-2)+3+5=(-4)+3+5=(-1)+5=4

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3 years ago

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Jane has a 5 × 7-inch photograph that she wants enlarged to a 10 × 14-inch photograph. What is the scale factor from the origina

Vladimir79 [104]

I think that the answer is 2, because if you multiply two by each factor in the original photograph then you get the size of the new photograph.

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2 years ago

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Graph the following system X+y=4 X-y=2

Lapatulllka [165]

Points that are given on x+y=4 are (0,4),(3,1) and (4,0) and points that are give for x-y=2 are (0,-2),(2,0) and (3,1)

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3 years ago

What is the value of x? Enter your answer in the box

elixir [45]

X=46.2
_____________________________

99.2 + 62 = 161.2
180 -161.2 = 19.8
19.8 + 112 = 131.8
180 - 131.8 = 48.2
48.2 - 2 = 46.2

3 0

3 years ago

Solve for x and y please!

galina1969 [7]

Answer:

$x = 8$

$y=2\sqrt{3}$

Step-by-step explanation:

The figure is composed of 3 Right triangles. To find the values of the variables x and y we use the Pythagorean theorem to propose one equation.

$x^2 =4^2 + (4\sqrt{3})^2$

Now we solve for x

$x=\sqrt{4^2 + (4\sqrt{3})^2}$

$x=\sqrt{16 +16*3}\\\\x=\sqrt{64}\\\\x=8$

Let's call z at the angle opposite to y

Then we have that:

$sin(z) =\frac{opposite}{hypotenuse}$

Where

$hypotenuse = 8$

$opposite=4$

$sin(z) =\frac{4}{8}$

$z=sin^{-1}(\frac{1}{2})$

$z=30$

Now we use this angle to find the length y

$sin(z) =\frac{opposite}{hypotenuse}$

Where in this case

$hypotenuse = 4\sqrt{3}$

$opposite=y$

$z=\°30$

$sin(30\°) =\frac{y}{4\sqrt{3}}$

$y=sin(30\°)*4\sqrt{3}$

$y=2\sqrt{3}$

6 0

3 years ago