MATHEMATICS MIDDLE SCHOOL

- In the following diagram of triangle QRS, QR = 8 and QS = 17. Determine the value of sin Q. Show how youarrived at your answer.

Answers

Answer 1

Answer:

The value of sin Q is ² 15/17.

What is the value of sin Q?

The formula for sin is opposite / hypotenuse

In the triangle , the opposite side is SR and the hypotenuse is QS.

The value of SR would be determined using Pythagoras theorem.

The Pythagoras theorem: a² + b² = c²

where:

a = length

b = base

c = hypotenuse

√17² - 8² = 15

Sin Q = 15/17

Please find attached the image. To learn more about Pythagoras theorem, please check: brainly.com/question/14580675

Answer 2

Answer:

Answer:

$SinQ=(15)/(17)$

Step-by-step explanation:

We draw the right triangle as shown in the image attached.

Δ QRS

Where R is the right angle

Given

QR = 8

QS = 17

Now, using Pythagorean Theorem, we can find RS:

$QR^2+RS^2=QS^2\n8^2+RS^2=17^2\nRS^2=17^2-8^2\nRS^2=225\nRS=√(225)\nRS=15$

Now, we know the ratio Sine as:

$Sin(\theta)=(Opposite)/(Hyotenuse)$

Where $\theta$ is the angle (here angle Q)

Opposite side is RS (which is 15)

Hypotenuse is given as QS (which is 17)

So,

$SinQ=(15)/(17)$

This is the value of SinQ.

We don't want the angle, so we'll stop here.

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Suppose that 16 inches of wire cost 96 cents. At the same rate how much in cents will 31 inches of wire cost?

Write 87/20 as a terminating decimal

Answers

When you actually go ahead and do the division indicated
by the fraction 87/20 , the quotient is the decimal equivalent
of the fraction.

87 divided by 20 = 4.35 .

You don't get to choose whether it's terminating or not.

Tanisha's potato salad recipe calls for 3pounds of potatoes.She decides to make 3.5 times her regular recipe. How manpounds of potatoes should Tanisha buy? Show your work.

Answers

if tanisha decides to make 3.5 times her regular recipe, she would need 3.5 more for each ingredient. to find out how many pounds of potato she needs just multiply 3.5 and 3 to find out the amount of pounds. 3.5 times 3 equals 10.5 pounds. tanisha should buy 10.5 pounds of potatos

What i did was multiply 3.5 and 3 and got 10.5
so your answer will be 10.5

Help me find the mean, median and mode to these problems?

Answers

sure but what numbers are there

I cant because there are no numbers

electric eel has a length of 1.84 meters what fraction is equivalent to the length of the electric eel in meters

Answers

1.84 = 184 / 100 Divide top and bottom by 2

92 / 50 Divide top and bottom by 2

46 / 25

So either 184/100 or 92/50 or 46/25 is equivalent to 1.84

If you use the function on a TI 36X that looks like two arrows pointing away from each other, it tells you that 1.84=46 over 25, or 46/25.

1+4 = 5
2+5 = 12
3 + 6 = 21
8 + 11= ?

Answers

The correct answer is 40. Hope that helps!

(1x4)+1=5
(2x5)+2=12
(3x6)+3=21
(8x11)+8=96

I'm not sure but that's my guess

Round 939,515 to the nearest ten

Answers

The number 939,515 rounded to the nearest tens is 939520.

What is rounding off of numbers?

We round off numbers to make them easier to remember and it also keeps their value approximately to the place it has been rounded off.

To round off any number to any place we'll look for the digit next to that place and if it is equal to or greater than 5 we'll add one to the previous digit and make all the digits after it zeroes and if the digit is less than 5 we do not add one to the preceding digit and simply make all the digit after it to zeroes.

Given, A number 939515 and we have to round it to the nearest ten.

To round this number to the nearest ten we'll look at the digit at the unit's place.

The digit at the unit place is 5 so we'll add 1 to the tens digit and make the unit digit zero.

Therefore the number 939515 rounded to the nearest tens place is

939520.

learn more about rounding of numbers here :

brainly.com/question/13391706

#SPJ2

Answer:

939,520

Step-by-step explanation:

You round up because you have a 5 in the tens place and as the saying goes: "Five or more up the score, four or less let it rest"

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