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3 years ago

PLEASE HELP FOR 30 POINTS....GEOMETRY/TRIG

Mathematics

1 answer:

Advocard [28]3 years ago

5 0

Answer:

10/cot 62 degrees

Step-by-step explanation:

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Factorise fully 2a^2b + 6ab^2

Inga [223]

Answer:

2ab(a + 3b)

Step-by-step explanation:

2a²b + 6ab²

Factor out 2ab

2ab(a + 3b)

4 0

3 years ago

Read 2 more answers

Charles bought 7/8 foot of electrical wire and 5/6 foot of copper wire for his science project .What is the least common denomin

coldgirl [10]

Answer:

The least common denominator of the fractions is 24

Step-by-step explanation:

we know that

The least common denominator (LCD) is the smallest number that can be a common denominator for a set of fractions

we have

7/8

Multiples of 8 -------> 8,16,24,32,...

5/6

Multiples of 6 -------> 6,12,18,24,...

24 is a common multiple of 6 and 8. It is their lowest common multiple

Alternative Method

we have

$8=2^{3}$

$6=2*3$

The least common multiple are those common and non-common numbers with the greatest exponent

$lcm= 2^{3}*3=24$

6 0

3 years ago

Question 5

DochEvi [55]

7383838hdueheheheueuwjhwwhjwiw82828182828

7 0

2 years ago

The perimeter of a rectangle is 66 cm.if the width of the rectangle is three more than half the length,find the length of the re

hoa [83]

Let us use the variable x for length. So width will be 1/2x + 3. Perimeter = x+x+ 1/2x + 3 +1/2x + 3 = 3x + 6 = 66 Therefore 3x = 66-6 = 60 So x = 60/3 = 20 The length is 20 cm. Therefore the width = 1/2 of 20 + 3 = 10 + 3 = 13 cm Check: 20+20+13+13 = 66

6 0

3 years ago

2/3 x -9/8 x -4/5 x -1

jolli1 [7]

-151/120x -1 or 1\120 × (-151x -120)

7 0

3 years ago