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Reil [10]
3 years ago
7

1. Make up two equations, one that is true and one that is false. Do not state which equation is true and which is false. Your c

lassmates will have to determine which is which.
2. Create an example of an open equation that uses the variable x and would require two or more steps to solve. Your classmates will have to determine which value of x makes the equation true.

Thank you so much for your help! If you even do help
Mathematics
2 answers:
N76 [4]3 years ago
6 0
1. The equations that I can think of are,
                                    3 + 1 = 11 - 6
and 
                                    8 - 1 = 6 + 1

2. An example of equation that uses the variable x,
                                     6x - 2x = 8
It may be required of you to perform certain steps in order to determine the value of x. 
Rus_ich [418]3 years ago
4 0

Answer:

Presented below.

Step-by-step explanation:

1. The two equations could be:

Equation 1: 2+5=9-1

Equation 2: 9+6=17-2

2. The equation could be:

2x+12=15-3x

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Which angle has a sine of -1/2 and a cosine of -√3/2
Sergeeva-Olga [200]
\sin x=-\dfrac{1}{2} < 0\\\\\cos x=-\dfrac{\sqrt3}{2} < 0\\\\therefore\ x\in(180^o;\ 270^o)

\text{We know:}\ \tan x=\dfrac{\sin x}{\cos x}\\\\\text{therefore:}\ \tan x=\dfrac{-\frac{1}{2}}{-\frac{\sqrt3}{2}}=\dfrac{1}{2}\cdot\dfrac{2}{\sqrt3}=\dfrac{1}{\sqrt3}\cdot\dfrac{\sqrt3}{\sqrt3}=\dfrac{\sqrt3}{3}

\tan x=\dfrac{\sqrt3}{3}\Rightarrow x=30^o+180^o\cdot k;\ k\in\mathbb{Z}

x\in(180^o;\ 270^o)\ therefore\ \boxed{x=30^o+180^o=210^o}
8 0
3 years ago
CAN YALL HELP PLZZzz
yulyashka [42]
The answer would be the third one .
Perpendicular would always be the opposite of your original slope.
Hope this helps! (:
6 0
3 years ago
Read 2 more answers
A bicycler traveled 45 mi. at an average speed of 6 mi./hr. How long did the ride take?
kobusy [5.1K]

Answer:

The ride took 7 1/2 hours to complete.

Step-by-step explanation:

If the bicyclist is going at a constant speed of 6mi/hr it would take 7 1/2 hours to ride 45 miles.

6*7 1/2=45

7 0
3 years ago
A jet boat is used to take canoers 200 miles upriver to their starting point. As the driver of the jet boat, Jeremy knows that i
artcher [175]

D. 50 mph

Going upstream takes longer because of the flow of the water





5 0
3 years ago
I really need help! Geometry is not my strong-hold
Svetach [21]

17 \times 17 = 289

then you want to do 3.14 x 17×17 = .... then add them both and you got the area

6 0
3 years ago
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