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Afina-wow [57]
3 years ago
12

Math, people help pls! <3 DO NUMBERS 2-11 AND THEN JUST #14

Mathematics
1 answer:
Scilla [17]3 years ago
7 0

Answer:

h t t p s : / / w w w . m a t h w a y . c o m / A l g e b r a

Step-by-step explanation:

remove the spaces and use this for help :)

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Are two lines different slopes perpendicular
Solnce55 [7]

No, to be perpendicular the lines would have to be straight.

Hope it helped! :)

3 0
4 years ago
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Find the sine of ∠U.<br><br> A)48/55<br> B)48/73<br> C)55/48<br> D)55/73
charle [14.2K]

Answer:

D) 55/73

Step-by-step explanation:

The question is on trigonometry. Sine of an angle is obtained using the SOH of SOHCAHTOA formula of trigonometry. SOH is an acronym for sine, opposite and hypotenuse. Sine of an angle is obtained from the ratio of opposite and hypotenuse of a given triangle. Thus, SOH

is denoted as stated below.

sine \:  \beta  =  \frac{opposite}{hypotenuse}

Hence, given the above triangle,

sine \: of \: angle \: u =  \frac{ |bc| }{ |ab| }  =  \frac{55}{73}

Therefore, the sine of angle u = 55/73 (D)

6 0
3 years ago
On a coordinate plane, a triangle is reflected across y = negative 2.
AleksandrR [38]

Answer:

The answer will be D.y=-2

Step-by-step explanation:

The reflection line is the fixed line that a shape or figure is reflected across of. The problem tells you that the triangle is reflected across y=-2

5 0
3 years ago
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Find the number that belongs in the green box. <br><br>round your answer to the nearest tenth. ​
Leona [35]

Step-by-step explanation:

By Sine Rule, 13/sin96° = x/sin25°.

Hence, x = 13sin25°/sin96° = 5.5.

8 0
3 years ago
Simplify: x(x-2)-3x(2x-1)
julsineya [31]

Answer:

-5x^2 +x

Step-by-step explanation:

x(x-2)-3x(2x-1)

Distribute

x^2 -2x -6x^2 +3x

Combine like terms

-5x^2 +x

4 0
3 years ago
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