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2 years ago

Factorise fully the following expression (am-an+bm-bn)

Mathematics

2 answers:

Luda [366]2 years ago

5 0

Answer:

$\small \sf \: ( m - n ) ( a + b )$

Step-by-step explanation:

( am - an + bm - bn)

Do the grouping

= ( am - an ) + ( bm - bn )

Factor out a in the first and b in the second group

= a ( m - n ) + b ( m - n )

factor out common term m - n by using distributive property

= ( m - n ) ( a + b )

belka [17]2 years ago

3 0

Step-by-step explanation:

am-an+bm-bn

m(a+b)-n(a+b)

(m-n)(a-b)

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2 years ago

A cab charges $1.50 for the first mile and $0.50 for each additional mile. Write and solve an inequality to determine how many m

ValentinkaMS [17]

1.50 + 0.50(x-1) < 25

1.50 + 0.50x - 0.50 < 25
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To check:

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2 years ago

17. Only tenth-, eleventh-, and twelfth-grade students

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Answer: Eleventh Grade

Step-by-step

The ratio of tenth graders to the school's total population is 86:255 = 33.7%.

The ratio of eleventh graders to the school's total population is 18:51 = 35.3%.

Since the probability of a student being in either tenth, eleventh, or twelfth grade = 1 = 100% (that is, certainty), then the probability of a randomly drawn student being in twelfth grade is (100-33.7-35.3)% = 31.0%.

When randomly choosing one student from the whole school, it is most likely (35.3%) that the student is in the eleventh grade.

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3 years ago

PLEASE HELP ME! CLICK ON THE PICTURE FOR A BETTER VIEW IF U NEED TO!

masya89 [10]

Answer:

In order: -5, 3, 5

Step-by-step explanation:

-5g + 15h - 25

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Hopefully this helps!

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2 years ago

What is the equivalent decimal to this fraction? 10/45 0.2 0.222222222... 0.232323232323... 0.181818181818...

Ivan

Factorize the numerator and denominator, then simplify:

10/45 = (2×5)/(9×5) = 2/9

Now,

1/9 = 1/10 + 1/90

1/90 = 1/10 × 1/9 = 1/10 × (1/10 + 1/90) = 1/100 + 1/900

1/900 = 1/100 × 1/9 = 1/100 × (1/10 + 1/90) = 1/1000 + 1/9000

and so on, which is to say

1/9 = 1/10 + 1/100 + 1/1000 + …

1/9 = 0.111…

so that multiplying both sides by 2 gives

2/9 = 0.222…

5 0

1 year ago

Factorise fully the following expression (am-an+bm-bn)​

Factorise fully the following expression (am-an+bm-bn)