3 years ago

I don’t know the unit rate to this problem

Mathematics

1 answer:

Ierofanga [76]3 years ago

8 0

Answer:

Since its counting by 2 go between 0 and 2 which is one and go up the blue line so the answer is 10

Step-by-step explanation:

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(50 POINTS) What is the length of YZ in Triangle XYZ? Explain two different methods that could be used to find this length.

LenKa [72]

<h3>First Method:</h3>

<u>Using cosine rule</u>:

$\rightarrow \sf cos(30 ) = \dfrac{YZ}{12}$

$\rightarrow \sf YZ = 12cos(30 )$

$\rightarrow \sf YZ = 6\sqrt{3}$

$\rightarrow \sf YZ = 10.4$

<h3>Second Method:</h3>

<u>First find XY using sine rule</u>:

$\rightarrow \sf sin(30)=\dfrac{XY}{12}$

$\rightarrow \sf XY = 12sin(30)$

$\rightarrow \sf XY =6$

Then use Pythagoras Theorem:

⇒ XY² + YZ² = XZ²

⇒ (6)² + YZ² = 12²

⇒ YZ² = 144 - 36

⇒ YZ = √108

⇒ YZ = 6√3

⇒ YZ = 10.4

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2 years ago

Help!!! at what values of x does f(x) = 0?

OleMash [197]

Answer:

-2, 1, 3

Step-by-step explanation:

when f(x) = 0, then the y value equals zero. this occurs at (-2,0) , (1,0) , (3,0)

3 0

3 years ago

Can you plz help out

saul85 [17]

<h3>Answer: Choice D</h3>

Work Shown:

r = 6 = radius

h = 9 = height

$V = \text{volume of cylinder}\\\\V = \pi*r^2*h\\\\V = \pi*6^2*9\\\\V = \pi*36*9\\\\V = \pi*324\\\\V = 324\pi\\\\$

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3 years ago

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Savatey [412]

Answer:

not very sure

Step-by-step explanation:

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3 years ago

5 t shirts cost $25.00 how much do 15 t shirts cost <br><br><br> if you can please show work!!:)

motikmotik

Answer:

Step-by-step explanation: ok so counting my 5’s .. 5, 10, (15) it’s 3 times soo 5 shirts cost 25 you are gonna do 25x3 so it’s 75

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3 years ago

Read 2 more answers