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Angelina_Jolie [31]
4 years ago
14

What is 5.5 + 3.1 need answer asap

Mathematics
2 answers:
galben [10]4 years ago
4 0

Answer:

8.6

Step-by-step explanation:

align the decimals then add them.

vichka [17]4 years ago
3 0
8.6 is the answer for you
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Let (8,−3) be a point on the terminal side of θ. Find the exact values of cosθ, cscθ, and tanθ.
denis23 [38]

Answer:

\text{Cos}\theta=\frac{\text{Adjacent side}}{\text{Hypotenuse}}=\frac{x}{R}=\frac{8}{\sqrt{73}}

\text{Csc}\theta=-\frac{\sqrt{73}}{3}

\text{tan}\theta =\frac{\text{Opposite side}}{\text{Adjacent side}}=\frac{y}{x}=\frac{-3}{8}

Step-by-step explanation:

From the picture attached,

(8, -3) is a point on the terminal side of angle θ.

Therefore, distance 'R' from the origin will be,

R = \sqrt{x^{2}+y^{2}}

R = \sqrt{8^{2}+(-3)^2}

  = \sqrt{64+9}

  = \sqrt{73}

Therefore, Cosθ = \frac{\text{Adjacent side}}{\text{Hypotenuse}}=\frac{x}{R}=\frac{8}{\sqrt{73}}

Sinθ = \frac{\text{Opposite side}}{\text{Hypotenuse}}=\frac{y}{R}=\frac{-3}{\sqrt{73} }

tanθ = \frac{\text{Opposite side}}{\text{Adjacent side}}=\frac{y}{x}=\frac{-3}{8}

Cscθ = \frac{1}{\text{Sin}\theta}=\frac{R}{y}=-\frac{\sqrt{73}}{3}

6 0
4 years ago
Are the two triangles below similar?
Misha Larkins [42]

As regards if Triangles TUV and WXY are similar B. Yes, because there are two pairs of congruent corresponding angles.

<h3>Why are Triangles TUV and WXY similar?</h3>

Triangles TUV and WXY are can be said to be similar if they both have congruent corresponding angles.

Triangle TUV has an angle of 55° which is also found in Triangle WXY. The triangles are therefore similar thanks to these congruent corresponding angles.

Find out more on corresponding angles at brainly.com/question/2938476.

#SPJ1

6 0
2 years ago
50 POINTS!!!!<br><br> Find the volume of the cylinder. Express your answer in terms of π.
xxMikexx [17]
Answer: 735π.

Explanation:

The area of a circle is given by: A= πr^2. The radius of the circle here is 7.

So the area of the circle is:
π7^2=49π

You then multiply 49π by 15 to get the volume:

49π*15=735π
8 0
3 years ago
Read 2 more answers
Please solve this question
Svetlanka [38]

Answer: here 298.45

Step-by-step explanation:

7 0
3 years ago
I need help, trying to find slope and y intercept
amid [387]

Answer:

the slope is -1 over 4

y intercept is (0,-8)                

Step-by-step explanation:

8 0
3 years ago
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