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Lena [83]
2 years ago
10

15 POINTS PLEASE HELPPP :D

Mathematics
1 answer:
zhuklara [117]2 years ago
4 0

Answer:

The equation is 1.96- 0.75

The answer is 1.21

Step-by-step explanation:

Hope this helps :)

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IMPORTANT <br><br>[how do you]Find sin theta if tan theta = 3/4
zvonat [6]
\bf tan(\theta )=\cfrac{\stackrel{opposite}{3}}{\stackrel{adjacent}{4}}\impliedby \textit{let's find the \underline{hypotenuse}}&#10;\\\\\\&#10;\textit{using the pythagorean theorem}\\\\&#10;c^2=a^2+b^2\implies c=\sqrt{a^2+b^2}&#10;\qquad &#10;\begin{cases}&#10;c=hypotenuse\\&#10;a=adjacent\\&#10;b=opposite\\&#10;\end{cases}&#10;\\\\\\&#10;c=\sqrt{3^2+4^2}\implies c=5&#10;\\\\\\&#10;sin(\theta )=\cfrac{\stackrel{opposite}{3}}{\stackrel{hypotenuse}{5}}

bear in mind that, though the square has two valid roots, one negative and one positive, the hypotenuse is just a radius distance, and therefore is never negative.
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3 years ago
What is the image of (3, -12) after a dilation by a scale factor of į centered<br> at the origin?
Verizon [17]

Answer:

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5 0
2 years ago
One of the roots of the quadratic equation 4mnx^2 – 6m^2x – 6n^2x + 9mn = 0 (m, n ≠ 0) is a)-3m/2n b)3m/2n c)2m/3n d)-2m/3n
maxonik [38]

Answer:

B.\ \frac{3m}{2n}

Step-by-step explanation:

Given

4mnx^2 - 6m^2x - 6n^2x + 9mn = 0\ (m, n \neq  0)

Required

Calculate one of the root of the equation

4mnx^2 - 6m^2x - 6n^2x + 9mn = 0

Factorize

2mx(2nx - 3m) -3n(2nx - 3m) = 0

(2mx - 3n)(2nx - 3m) = 0

Split equation

2mx - 3n = 0\ or\ 2nx - 3m = 0

Make x the subject of formula in both expressions

2mx = 3n\ or\ 2nx = 3m

x = \frac{3n}{2m}\ or\ x = \frac{3m}{2n}

<em>From the list of given options, one of the roots of the equation is</em> \frac{3m}{2n}

4 0
3 years ago
Please help me thank you so much
HACTEHA [7]
I think the answer is 15
5 0
2 years ago
What is the surface area of a sphere with a diameter of 6 ft
Aleksandr-060686 [28]

Answer: 113.1ft²

Step-by-step explanation:

The answer is 113.1ft²

7 0
3 years ago
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