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WINSTONCH [101]
3 years ago
12

Simplify the expression: x2+x(x-5) -x+7

Mathematics
1 answer:
Veronika [31]3 years ago
8 0
Hi mate!

The answer after simplifying is: 2x^2-6x+7

Please let me know if you need further assistance! Have a terrific evening.
~Brooke❤️
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Y=-3/8x-7 in standard form
Readme [11.4K]
Y = -3/8x - 7....add 3/8x from both sides
3/8x + y = -7 ...multiply both sides by 8
3x + 8y = - 56 <==
6 0
3 years ago
Solve for b. Round your answer to the nearest whole degree.
Talja [164]

Answer:

44°

Step-by-step explanation:

From sin rule:

a / sin A = b / sin B = c / Sin C

3.6 / sin b = 5.1 / sin 100

Cross multiply :

5.1 * sinb = 3.6 * sin 100

Sin b = 3.5453079 / 5.1

Sin b = 0.6951584

b = sin^-1(0.6951584)

b = 44.039

b = 44°

8 0
3 years ago
Plz help will give brainliest!
natita [175]

Answer:

8.7

Step-by-step explanation:

4 0
2 years ago
Solve for t in terms of the other variables. <br> k= 3tm + rs
Lina20 [59]

Answer:

              t=\dfrac{k-rs}{3m}

Step-by-step explanation:

It's like solving any equation, except we have letters instead of numbers .

k = 3tm + rs           {subtract rs from both sides}

k - rs = 3tm            {divide both sides by (3m)}

\dfrac{k-rs}{3m}=t              {swap sides}

t=\dfrac{k-rs}{3m}            m≠0    

{m must be ≠0 because  you cannot divide by 0. There is no t for m=0}    

4 0
2 years ago
How to put a fraction into a ti 84 plus graphing calculator?
stiks02 [169]
To insert fraction values; 

1) Click on "math" found under the alpha option 
2) Use right arrow key to move to the tab "FRAC" 
3) Select 1st option for fraction 
4) Write out Fraction 

Hope I helped :)
4 0
3 years ago
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