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vovangra [49]
3 years ago
10

What are the solutions to the equation 0=x2-x-6? Select two options

Mathematics
2 answers:
shutvik [7]3 years ago
5 0

Answer:

The correct options are,

x = -2 and x = 3

Step-by-step explanation:

It is given that,

x²  - x - 6 = 0

<u>To find the solution of given equation</u>

x²  - x - 6 = 0 can be written as

x² + 2x - 3x - 6 = 0

x(x + 2) - 3( x + 2) = =

(x + 2)(x - 3) = 0

Either (x + 2) = 0 or (x - 3) = 0

If (x + 2) = 0 then x = -2

If (x - 3) = 0 then x = 3

Therefore the correct options are,

x = -2 and x = 3

8090 [49]3 years ago
3 0

Answer: b,e

Step-by-step explanation:

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Answer:

19.55\pm2.145

Step-by-step explanation:

We use the equation \bar x\pm z^*\sigma/\sqrt n, where \bar x=19.55, \sigma=6.33, n=41, and z^*=2.17. We obtain z^* from the z-score of a 0.97 confidence level.

8 0
3 years ago
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Ludmilka [50]

Answer:

1. 22000 millimeters

2. 1.5 grams

3. 15 centigrams

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3 years ago
A shopper’s discount club charges a monthly fee of $15 and sells gasoline for $2.05 per gallon. The gas station across the stree
NeX [460]

Answer:

15 + 2.05 x = 2.35 x

Step-by-step explanation:

Let x be the number of gallons you would have to buy for the two places to be the same.

At the club, there is a monthly fee of $15 that is charged once in a month. They also charge $2.05 per gallon, which is charged every gallon of gas you buy.

We can write an expression: 15 + 2.05 x

At the gas station, they charge $2.35 per gallon with no other fees.

We can also write an expression: 2.35 x

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3 years ago
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agasfer [191]

The given scale for the map means that a distance of 1 cm between two locations on the map corresponds to a real distance between them of 600,000 cm = 6 km.

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87 = 84 + 3

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87 = 6 • (14 + 1/2)

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3 years ago
3/2•6-3+5/3•3<br><br> anyone know this ?
Solnce55 [7]
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