4 years ago

(8y-5)-(2y-9) plz help

Mathematics

1 answer:

Goshia [24]4 years ago

3 0

The answer is

6y+4

hope this helped

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For complex numbers z, let [tex] \[f(z) = \left\{

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$f(i)+f(1)+f(-1)+f(-i)=i^2+1+2+(-1)+2+(-i)^2=-1+3-1+2-1=2$

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3 years ago

Solve for x? pls help

Ivahew [28]

Answer:

x = 11

Step-by-step explanation:

36/54 = (x + 5)/24

54(x + 5) = (36)(24)

54x + 270 = 864

54x = 594

x = 11

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3 years ago

A pool has a sidewalk around two sides. The length of the pool with the sidewalk is 60 ft and the width including

DanielleElmas [232]

Answer:

(60-x)(35-x)

Step-by-step explanation:

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3 years ago

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A construction company wants to build an auditorium on a trapezium shaped plot measuring 410m2. One of the parallel sides of the

Assoli18 [71]

Answer:

other parallel side is 23m

Step-by-step explanation:

Let's assume other parallel sides as 'x'

One of the parallel sides of the trapezium plot measure 18m

so, y=18

distance between the two parallel sides measure 20m

so, h=20

now, we can use area of trapezium formula

$A=\frac{1}{2}\times h \times (x+y)$

now, we can plug values

$A=\frac{1}{2}\times 20 \times (x+18)$

we can set A=410

and then we can solve for x

$410=\frac{1}{2}\times 20 \times (x+18)$

$10\left(x+18\right)=410$

$x+18=41$

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4 years ago

Richard walks every day for exercise at a rate of 1 kilometer every 12 min. At this rate ,how many meters can Richard walk in a

garik1379 [7]

60 minutes in an hour
60÷12=5
1,000 meter in 1 km
5×1=5
5×1000=5000
therefore, 5000 meters

3 0

4 years ago

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