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2 years ago

Help me please it’s question 33

Mathematics

2 answers:

shtirl [24]2 years ago

8 0

I don’t see anything. What is the problem.

amid [387]2 years ago

6 0

i think the answers 57 becuase its 5 times 12 minus 3

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In triangle $XYZ,$ $\angle Y = 45^\circ$ and $\angle Z = 60^\circ.$ If $XZ = 4,$ then what is $XY$?

GalinKa [24]

Answer:

$XY = 4.9$

Step-by-step explanation:

$\angle Y = 45^\circ$

$\angle Z = 60^\circ$

$XZ = 4$

Required

Determine the length of XY?

This question is supported with the attachment.

To solve for the length of XY, we make use of the sine law which states:

$\frac{sin\ A}{a} = \frac{sin\ B}{b} = \frac{sin\ C}{c}$

In this case:

$\frac{sin\ \angle Y}{XZ} = \frac{sin\ \angle Z}{XY} = \frac{sin\ X}{YZ}$

Substitute in, the following values:

$\angle Y = 45^\circ$

$\angle Z = 60^\circ$

$XZ = 4$

The expression becomes:

$\frac{sin\ 45}{4} = \frac{sin\ 60}{XY}$

Cross multiply

$XY * \sin\ 45 = 4 * \sin\ 60$

Make XY the subject

$\frac{XY * \sin\ 45}{\sin\ 45} = \frac{4 * \sin\ 60}{\sin\ 45}$

$XY = \frac{4 * \sin\ 60}{\sin\ 45}$

$XY = \frac{4 * 0.8660}{0.7071}$

$XY = \frac{3.4640}{0.7071}$

$XY = 4.89888276057$

$XY = 4.9$ --- approximated

5 0

2 years ago

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Help! Whoever answers correctly and is first to answer I will make brainly! In dire need of help!

Naddika [18.5K]

Answer:

Step-by-step explanation:

Isoceles triangle

3 0

2 years ago

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Which is the best estimate for the length of a car

dangina [55]

My estimate is 177 inches i guess

8 0

3 years ago

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10. Melissa and Kaylee are playing a game.

choli [55]

Answer:

Kaylee wins.

Step-by-step explanation:

Melissa-> 1 Point

((5*2)-12)+3

(10-12)+3

-2+3

Kaylee-> 6 Points

((-3*2)-1)+6+7

(-6-1)+13

-7+13

4 0

2 years ago

How do u graph 2y=-4x+6

gladu [14]

Answer:

3 would be your y intercept

then from the point 0,0 put 2 in as slope

Step-by-step explanation:

First turn the equation into y=mx+b (slope-intercept form)

Which turns into y= -2x+3

in y=mx+b

m is slope and b is y intercept

3 would be your y intercept

then from the point 0,0 put 2 in as slope

Hope this helps! have a nice day! Please consider making me Brainliest!

4 0

2 years ago