MATHEMATICS MIDDLE SCHOOL

In triangle XYZ, angle Z is a right angle. If sinX = 3/4, find tan Y.

Answers

Answer 1

Answer:

ANSWER

${ \tan(y) } = ( √(7) )/(3)$

EXPLANATION

$\sin(X )= (3)/(4)$

$\sin(X )= (opposite)/(hypotenuse)$

This implies that the opposite is 3 units and the hypotenuse is 4 units.

We now find the adjacent side using the Pythagoras Theorem.

${a}^(2) + {o}^(2) = {h}^(2)$

${a}^(2) + {3}^(2) = {4}^(2)$

${a}^(2) + 9 =16$

${a}^(2) =16 - 9$

${a}^(2) = 7$

${a}= √(7)$

${ \tan(y) } = (opposite)/(adjacent)$

The side opposite to Y is √7 and the side adjacent to Y is 3.

${ \tan(y) } = ( √(7) )/(3)$

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one over ten
one over five
two over seven
two over five

Answers

Answer:

2/5 or two over five

Step-by-step explanation:

2:5

Divide each by 5

2/5 : 1

2/5 * 1

2/5

Answer: 2 over 7

Step-by-step explanation:

2/(2+5) = 2/7

Match the verbal expression with its algebraic expression. WILL GIVE BRAINIEST

Answers

Answer:

Four less than an unknown value: D

Quotient of a variable and four: A

Some number to the power of four: E

Four times an unknown value: B

Four more than some number: C

the number 360 is increased by 25% . the result is then decreased by 50% . what is the final number ?

Answers

increased by 25%
25%=0.25
increased by 25% means 360+(360 times 0.25)=360+90=450

decreased by 50%
450 times 0.50=225
450-225=225

answer is 225

25%=.25
360×.25=90
360+90=450
50%=.5
450×.5=225
225 is the final number

What is 1/10 of 400.00

Answers

$(1)/(10)\cdot400.00=(1)/(10)\cdot400=(400)/(10)=40$

divide 400 by 10 and get 40

Do the ratios 20:8 and 7:3 form a proportion?

Answers

Answer:

No, the ratios 20:8 and 7:3 do not form a proportion.

Step-by-step explanation:

If it is 20:8 to 7:2.8 then it would form a proportion.

Hope this helps.

No this does not form a proportion

Is the elevation halfway between the peak of Mount Ojos del Salado and the Atacama Trench above sea level or below sea level? Explain without calculating the exact value

Answers

I'm pretty sure it's below sea level because the trench is much farther down than the height of the mountain so if you were to find the middle it would have to be below sea level... I hope this helped :0

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