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Yakvenalex [24]
3 years ago
11

PLEASE HELP!!!!!!!!!!!!

Mathematics
2 answers:
ollegr [7]3 years ago
5 0
Where’s the problem
lora16 [44]3 years ago
5 0

I think the answer is B

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Grade 9 maths!!! Due tonight
Artyom0805 [142]

Answer:

a. 7 by 21

b. a(-12, 2), b(-12, -5), c(9, -5)

Step-by-step explanation:

AD is 3 times the length of AB. X can be the length of AB. Then 3x would be the length of AD. The perimeter is 56, which would also be 3x + x + 3x + x which is 8x. This gives us 8x = 56, meaning that x is 7, or the length of AB is 7. Because AD is 3 times the length of AB (which is 7), AD = 21. Therefore, the dimensions of the rectangle ABCD is 7 by 21.

Coordinates of A have to be 21 units away from D since AD = 21. It goes in the left direction, meaning that 21 is subtracted from 9 (since this is a horizontal edge involving x coordinates) while the y value remains the same. The result is (-12, 2). For coordinate B, it has to be 7 units away from A downwards since AB = 7. This means that you subtract 7 from 2 (involving only the y coordinates), resulting in (-12, -5). For coordinate C, it has to be 21 units from B since BC = AD = 21.  Because C is right compared to B, you have to add 21 to -12 (involving only the x coordinate) resulting in (9, -5).

3 0
2 years ago
Please help meeeeeeeeeeeeeee
Colt1911 [192]

Answer:

4/25 or 0.16

Step-by-step explanation:

your welcomeee

8 0
2 years ago
Read 2 more answers
Determine the value of a certain number which when multipled by itself gives the same value as 567×63
emmainna [20.7K]

Answer:

189

Step-by-step explanation:

let the number be n , then number multiplied by itself is n² and

n² = 567 × 63 = 35721 ( take square root of both sides )

n = \sqrt{35721} = 189

7 0
2 years ago
The solution to an absolute value inequality is shown on the graph below.
Allushta [10]

The solution to show the absolute value inequality is (-3,-2)

<h3>What is absolute inequality?</h3>

An absolute value inequality is an expression with absolute functions as well as inequality signs

Interval = -3 to 2

The intervals are represented with open parenthesis, which shows that -3 and 2 are excluded values of the inequality.

So, we have:

-3 < x < 2

As an interval notation,

(-3,-2)

Hence, the solution to the absolute value inequality is (-3,-2)

Learn more about absolute value inequality here:

brainly.com/question/13282457

#SPJ1

6 0
2 years ago
Combining like terms 4n - n
bezimeni [28]
3n is the answer to this
6 0
3 years ago
Read 2 more answers
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