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3 years ago

Help me please ( only correct answers) ty

Mathematics

1 answer:

Irina-Kira [14]3 years ago

3 0

Answer:

135 cubic cm

Step-by-step explanation:

Split the shape into two so one is 7x3x5 and the other is 3x2x5. Multiply those then add together

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What is a variable? HELP HELP

bonufazy [111]

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➷ A variable is an unknown number that is represented by a letter, for example, x.

It is usually found in an algebraic expression.

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3 years ago

Plz help <br> Find ‘x’ & ‘y’

just olya [345]

Answer:

x=20. y=15

Step-by-step explanation:

in similar triangles the sides are all in proportion. this means:

$\frac{25}{5} = \frac{x}{4} = \frac{y}{3}$

$\frac{25}{5} = 5$

so:

$\frac{x}{4} = 5$

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x=20

and...

$\frac{y}{3} = 5$

y=3×5

y=15

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2 years ago

Given, tanx = - 4/3. Lies in 2nd quadrant. Find sinx/2, cosx/2 and tanx/2.

Over [174]

Answer:

Step-by-step explanation:

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3 years ago

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VladimirAG [237]

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2 years ago

Read 2 more answers

What is the slope of the line?

White raven [17]

Answer:

$-\frac{2}{3} x$

Step-by-step explanation:

Hey there!

To find slope, you take $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

In this case

y2: 6

y1: 4

x2: -3

x1: 0

Now we plug in this information

$\frac{6-4}{-3-0} \\\\\frac{2}{-3} \\\\-\frac{2}{3}$

Since this is the slope, you have to add a "x"

So, the slope is $-\frac{2}{3} x$

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2 years ago