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2 years ago

measure the length of 10 color pencils to the nearest fourth inch.then make a line plot of the data.?

Mathematics

2 answers:

GREYUIT [131]2 years ago

5 0

Step-by-step explanation:

so first you have to do a challenge to trade in the hospital for a week u can do it like this is a new day and time is

lesantik [10]2 years ago

4 0

The answer is about 70 inch

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HELP! Find the value of sin 0 if tan 0 = 4; 180 < 0< 270

BabaBlast [244]

Hi there! Use the following identities below to help with your problem.

$\large \boxed{sin \theta = tan \theta cos \theta} \\ \large \boxed{tan^{2} \theta + 1 = {sec}^{2} \theta}$

What we know is our tangent value. We are going to use the tan²θ+1 = sec²θ to find the value of cosθ. Substitute tanθ = 4 in the second identity.

$\large{ {4}^{2} + 1 = {sec}^{2} \theta } \\ \large{16 + 1 = {sec}^{2} \theta } \\ \large{ {sec}^{2} \theta = 17}$

As we know, sec²θ = 1/cos²θ.

$\large \boxed{sec \theta = \frac{1}{cos \theta} } \\ \large \boxed{ {sec}^{2} \theta = \frac{1}{ {cos}^{2} \theta} }$

And thus,

$\large{ {cos}^{2} \theta = \frac{1}{17}} \\ \large{cos \theta = \frac{ \sqrt{1} }{ \sqrt{17} } } \\ \large{cos \theta = \frac{1}{ \sqrt{17} } \longrightarrow \frac{ \sqrt{17} }{17} }$

Since the given domain is 180° < θ < 360°. Thus, the cosθ < 0.

$\large{cos \theta = \cancel\frac{ \sqrt{17} }{17} \longrightarrow cos \theta = - \frac{ \sqrt{17} }{17}}$

Then use the Identity of sinθ = tanθcosθ to find the sinθ.

$\large{sin \theta = 4 \times ( - \frac{ \sqrt{17} }{17}) } \\ \large{sin \theta = - \frac{4 \sqrt{17} }{17} }$

Answer

sinθ = -4sqrt(17)/17 or A choice.

4 0

3 years ago

The ratio of yellow shirts to green shirts in Ms. Grayson’s closet is 5:2. She has a total of 21 yellow and green shirts combine

VikaD [51]

15 yellow 6 green
5+2 equals 7
21 divided by 3 is 7
5x3=15
2x3=6

6 0

2 years ago

What integer is closest to <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B321%7D%20" id="TexFormula1" title=" \sqrt{321} " a

crimeas [40]

Answer:

Step-by-step explanation:

18*18 = 324

So 18 is the closest integer to $\sqrt{321}$

6 0

2 years ago

Read 2 more answers

Please help, I will give brainliest, I am struggling badly.

Solnce55 [7]

Answer:

(8, -1)

Step-by-step explanation:

the solution is where they intersect. (x, y) and x is 8 while y is -1

7 0

3 years ago

WILL GIVE BRAINLIEST, THANKS AND 5 STARS! PLEASE HELP! LOTS OF POINTS

irina [24]

First graph it

Maximum height is the y coordinate of vertex

(2,144)

Max height

144m

Time is the x coordinate of vertex

y is 0

$\\ \rm\Rrightarrow -16t^2+64t+80=0$

x intercepts are the solutions

(-1,0)U(5,0)

Take it positive

t=5s

put in function

y=-16(1)+64+80=-16+144=128ft

8 0

2 years ago