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3 years ago

Pls say the answer :( pls say it

Mathematics

1 answer:

Aleksandr [31]3 years ago

4 0

Refer to the pic ...(◕ᴗ◕✿)✌️✌️

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The solution to the equation 2x^2+x-1=2

maxonik [38]

Answer:

$x=-\frac{3}{2}, x=1$

Step-by-step explanation:

$2x^2+x-1=2$

Subtract 2 from both sides and factor:

$2x^2+x-1=2\\2x^2+x-3=0\\(2x+3)(x-1)=0$

Solve each factor individually:

$2x+3=0\\2x=-3\\x=-\frac{3}{2}$

$x-1=0\\x=1$

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3 years ago

A jar contains 4 cherry cough drops, 8 lemon cough drops, and 10 honey cough drops. You choose one cough drop without looking. W

AlexFokin [52]

Answer:

You have an 8/14 chance of choosing lemon.

Step-by-step explanation:

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3 years ago

Read 2 more answers

Does the equation y = x(x - 3) represent a linear function

Flauer [41]

Answer:

Step-by-step explanation:

No. You can see why if you remove the brackets.

y=x^2 - 3x.

A linear function must have x and y with powers of 1. Also it can't something like x^2 - y^2 = 5

x^2 - y^2 = 0 is the only exception I can think of, but that really is a system of equations. If you graph it. you get two equations which cross at 0 and nowhere else.

7 0

3 years ago

Deva bought 9 1/2 m of cloth for rupees 28 1/2.Samruth buys 26 1/3 m of same cloth. how much should samruth pay the shopkeeper?

likoan [24]

For this case we can make the following rule of three:

9 1/2 m --------------> 28 1/2 rupees

26 1/3 m -------------> x

From here, we clear the value of x.

We have then:

$x = (\frac{26+\frac{1}{3}}{9+\frac{1}{2}}) (28+\frac{1}{2})$

Rewriting we have:

$x = (\frac{\frac{79}{3}}{\frac{19}{2}}) (\frac{57}{2})$

$x = (\frac{158}{57}) (\frac{57}{2})$

$x = \frac{158}{2}$

$x = 79$

Answer:

samruth should pay 79 rupees to the shopkeeper

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3 years ago

1. If = 1, = −2 = −1 then find the value of the following

Mariana [72]

Answer:

hope its helpful......

5 0

3 years ago