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3 years ago

Help me with the last 2 questions, If you do you'll get a thank you and some points :3

Mathematics

2 answers:

babymother [125]3 years ago

5 0

Number 5 is going to be 0.6 hope this helps!

lawyer [7]3 years ago

3 0

I hope this helps... I thought this would be easier than trying to explain it!

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Find x<br> options;<br> a) 21√2/2<br> b) 21√2<br> c) 21√3/2<br> d) 7

pishuonlain [190]

The value of x is 21√2/2

The correct option is (A)

<h3>What is Trigonometry?</h3>

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles.

In triangle having angle 60.

sin 60 = P/ 7√3

√3/2= P/7√3

2P= 21

P= 21/2

Now again

cos 45= 21/2/x

1/√2 = 10.5/x

x= 21√2/2

Learn more about trigonometry here:

brainly.com/question/26719838

#SPJ1

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1 year ago

If x=5 and y=2<br> ...........................

azamat

${ \bold{ - 5}}$

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${ \green{ \tt{ \sqrt{10(2) + 5 } - 5(2)}}}$

${ \green{ \tt{ \sqrt{20 + 5} - 10}}}$

${ \green{ \tt{ \sqrt{25} - 10}}}$

${ \green{ \tt{5} - 10}}$

$= { \bold{ - 5}}$

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Step-by-step explanation:

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