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MatroZZZ [7]
3 years ago
15

Expand and simplify (x-2) (x-1)

Mathematics
1 answer:
nignag [31]3 years ago
6 0

Answer:

x^2-3x+2

Step-by-step explanation:

(x-2)(x-1)=x^2-2x-x+2=x^2-3x+2

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The average speed of a car is three times as fast as the average speed of a cyclist. to travel 225 km, the cyclist requires 5 h
Bumek [7]
Average speed of cyclist = x
average speed of car = 3x

x = 225/5
x = 45km/h

3x = 3(45)
3x = 135km/h

average speed of cyclist = 45km/h
average speed of car = 135km/h
6 0
3 years ago
Compare 2/3 and 2/5 right one or both of the fractions so they have the common denominator use greater than less than or equal t
lora16 [44]

Answer:

10/15 & 6/15

Step-by-step explanation:

6 0
3 years ago
If you answer I’ll make you the brainiest
Dovator [93]

Answer:

the second one

Step-by-step explanation:

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5 0
3 years ago
Help me pls this one is hard
ella [17]

Answer:

2-120

4-240

7-420

Step-by-step explanation:

<em>there are 60 people in each tour group so you multiply 60 by the number of tour groups.</em>

ordered pairs:

<em>(2,120)</em>

<em>(4,240)</em>

<em>(7,420)</em>

hope this helped you!

have a great day!!

7 0
3 years ago
Read 2 more answers
Find the percentage error |sinθ - θ|/sin(θ)*100 this approximation introduces for an angle of 0. 020 radians.
Elza [17]

Considering the given angle and the given formula, it is found that the percentage error for an angle of 0.02 radians is of 0.0067%.

<h3>What is the percentage angle for an angle?</h3>

For an angle \theta, it is given by the following formula:

P = 100\frac{|\sin{\theta} - \theta|}{\sin{\theta}}

In this problem, the angle is of \theta = 0.02, hence:

P = 100\frac{|\sin{0.02} - 0.02|}{\sin{0.02}}

P = 0.0067

The percentage error for an angle of 0.02 radians is of 0.0067%.

More can be learned about percent error at brainly.com/question/25224978

8 0
2 years ago
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