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grin007 [14]
3 years ago
12

Work out the area of a rectangle with base 18mm and perimeter 38mm

Mathematics
1 answer:
frez [133]3 years ago
5 0

Answer:

684 mm squared

Step-by-step explanation:

Very simple. It's 18mm multiplied by 38 mm.

18 mm * 38 mm = 684 mm2

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Help asap do all show work
love history [14]

y=-x

slope for perp line = 1

2y=-x+6

y=-1/2x +3

slope for perp line = 2

15.

i don’t wanna do all sorry it’s a lot of work so i’ll tell u how to do it instead. first write it in slope intercept form which is

y-y1=m(x-x1)

it’s parallel which means it shares the same slope. if it’s perpendicular it would be opposite reciprocals so for -3/2 the perp slope would be 2/3.

the line is

y+1=3/4(x-4)

we distribute the 3/4 so it’s now

y+1=3/4x-3

then we subtract the 1

y=3/4x-4 is the equation boom done

6 0
3 years ago
Is the following relation a function. <br><br> A) yes<br> B) no
dmitriy555 [2]

Answer:

yes

Step-by-step explanation:

A relation is a function in which for each input there is only one output.

In a relation, y is a function of x.

Now we look at the mapping

For input 6, -1 is the output

for input -1, 2 is the output

for input 4, 3 is the output

for input 0, 3 is the output

For each input , there is an output. Input is not repeating. Input is occurring only once.

So this relation is a function.

4 0
3 years ago
Let a = 3 – 5i and b = –1 + 7i. Which of the following are true statements? Check all that apply.
Alona [7]

Answer: 2nd and 6th options are correct

Step-by-step explanation: It showed me after I got em wrong

7 0
3 years ago
HELP PLEASE!!!!!! HELP
Whitepunk [10]

240 mg daily


This can be shown if you do 3 milligrams per kilogram the person weighs.

So if the person weighs 80 kilograms, you do 80*3 to get 240 milligrams.

7 0
3 years ago
There are 812,000 gallons of water in an Olympic training center’s pool. Express this number in scientific notation
DerKrebs [107]
8.12 ×10^5 is the answer
7 0
3 years ago
Read 2 more answers
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