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WITCHER [35]
3 years ago
6

Find the h.c.f and l.c.m of (a-b) (a-b) and (a+b) (a-b)​

Mathematics
1 answer:
telo118 [61]3 years ago
8 0

Answer:

it is 4

Step-by-step explanation:

bc i used the calculator

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1.4(0.5x+4.2y)−3.5(0.2x−1.5y)<br> simplify<br> lots of points
Vilka [71]

1,4(0,5x + 4,2y) - 3,5(0,2x - 1,5y)

1,4.0,5x + 1,4.4,2y - 3,5.0,2x + 3,5.1,5y

0,7x + 5,88y - 0,7x + 5,25y

0,7x - 0,7x + 5,88y + 5,25y

11,13y

7 0
4 years ago
how many peanuts will each person get if 3 people share 1/5 pound of peanuts equally write and solve a division equation to repr
larisa86 [58]
\frac{1}{5} / 3 \\  \frac{1}{5} /  \frac{3}{1}  \\  \frac{1}{5} *  \frac{1}{3}  \\  \frac{1*1}{5*3}  \\  \frac{1}{15}
In order to divide a fraction by a whole number, you must make the whole number a fraction, by putting the number over one. In order to divide something by a fraction, you flip the divisor (3 or 3/1) to get the reciprocal (1/3) and multiply the two fractions together. Hope this helps! <span />
6 0
4 years ago
Read 2 more answers
4680 walls in 3 days and 6 hours how many watts does it consume per day
Salsk061 [2.6K]

1440 W

Step-by-step explanation:

3.25=4680

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X=1*4680/3.25

X=1440

8 0
3 years ago
Find the area of the figure
zalisa [80]

Answer:

426 cm^2

Step-by-step explanation:

Let, the area of the given figure be A

Let's imagine that the rectangle (at the bottom right) is present.

Then, A = Area of trapezium - Area of rectangle

             = { 1/2 * ( 18 + (20+4) ) * ( 13+9 ) } - ( 4 * 9 )

             = 462 - 36

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[If there's any mistake, please inform me]

8 0
3 years ago
An equation of the line tangent to y=sin x + 2cosx at (pi/2, 1) is?
Lina20 [59]

Answer:

B.   2x + y = pi + 1.

Step-by-step explanation:

y = sin x + 2 cos x

The slope of a line tangent is the derivative, so:

y' =  cos x - 2 sin x

At  (pi/2, 1) , substituting for x:-

cos pi/2 - 2 sin pi/2

= 0 - 2 * 1 = -2.

So the slope is - 2 and an equation  can be found by using the point-slope formula:

y - y1 = m(x - x1) so:

y - 1 = -2(x - pi/2)

y = -2x + pi + 1  

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6 0
4 years ago
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