3 years ago

In the given diagram, what are angles 2 and 7 called?

Mathematics

2 answers:

natta225 [31]3 years ago

7 0

Answer:

Vertically opposite angles

solniwko [45]3 years ago

7 0

Answer:

alternate angles

Step-by-step explanation:

they have the same angle size and make a z shape

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I need help on this problem

Arte-miy333 [17]

Answer: $QR=4.04$

Step-by-step explanation:

For this exercise you must use the followinG Trigonometric Identity:

$tan\alpha=\frac{opposite}{adjacent}$

In this case, given the right triangle PQR, you can identify that:

$\alpha=60\°\\opposite=PR=7.0\\adjacent=QR$

Then, the next step is to substitute those values into $tan\alpha=\frac{opposite}{adjacent}$ :

$tan(60\°)=\frac{7.0}{QR}$

And the final step is to solve for "QR" in order to find its value.

So you get that this is:

$(QR)(tan(60\°))=7.0\\\\QR=\frac{7.0}{tan(60\°)}\\\\QR=4.04$

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3 years ago

Please help! Evaluate the following function.<br> f(x) = -x – 8 for f(-1)

Anton [14]

Answer:

x - 8

Step-by-step explanation:

Plug in -1 for x and you get x - 8

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The measures of a three sides of a triangle can be represented by the algebra expressions x, 3x-1, and 4x 2. the perimeter of th

umka2103 [35]

Perimeter of triangle= 81
x+3x-1+4x-2=81
8x-3=81
8x=84
x=10.5 so sides are 10.5,30.5,40.

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djverab [1.8K]

I think the equation is y=5+2x

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Solve for x.<br> x= <br> x+19 7x+9

solong [7]

Answer:list of solution

x+19=

7x+9=

Step-by-step explanation:

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2 years ago

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