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anygoal [31]
3 years ago
5

HELP! Is it A,B,C,or D. i really need help

Mathematics
2 answers:
ryzh [129]3 years ago
7 0
Idk I think it’s C I could be wrong
geniusboy [140]3 years ago
6 0
I believe the answer is C. I could be wrong.
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Is this a parallelogram and why?
oksano4ka [1.4K]

the rectangle is but the line is not because the line has to have another side !

3 0
3 years ago
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1/3(x - 10) = - 4<br><br> x = ?
ki77a [65]

Answer:

x = -2

Step-by-step explanation:

1/3(x - 10) = - 4

1/3x - 10/3 = - 4

1/3x = -4 + 10/3

1/3x = -2/3

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7 0
2 years ago
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Find the value of x.
lapo4ka [179]

Answer:

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Step-by-step explanation:

3 0
2 years ago
WILL GIVE BRAINLIEST!! ASAP <br> Which of the following expressions are equivalent to 6^-3
olga_2 [115]

Answer: 1/6^3 AND 1/216

Step-by-step explanation:

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7 0
3 years ago
How do you solve sin (5pi/3) without a calculator?
Savatey [412]

very simple, we use the formula sin(a+b)=sinacosb + sinbcosa and sin(20)=2sinacosa

5pi = 2pi/3+3pi/3,

First, we use sin(a+b)=sinacosb + sinbcosa

sin(5pi/3)=sin(2pi/3+3pi/3)= sin(2pi/3+pi)= sin(2pi/3)cos(pi) +sin(pi)cos(2pi/3)

but we know that sin(pi)= 0, and cos (pi) = -1, so sin(5pi/3)= - sin(2pi/3)

now, use sin(2a)=2sinacosa, sin(5pi/3)= - sin(2pi/3)= -2sin(pi/3)cos(pi/3)

sin<span>(5pi/3)=  -2sin(pi/3)cos(pi/3)</span>

<span>sin(pi/3)= 0.86, cos(pi/3)=0.5, finally we have   </span>sin<span>(5pi/3)=  -0.86 x 0.5= -0.43</span>

5 0
3 years ago
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