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3 years ago

I need help on all these 3 questions plz

Mathematics

1 answer:

DIA [1.3K]3 years ago

3 0

Answer:

Circumference
Area
Circumference

Step-by-step explanation:

Circumference would be if the situation is asking for the amount of something around the edge. For example, the number of tiles to be placed around the swimming pool would be asking for circumference.

Area would be if the situation is asking for the amount of something spread through the entire item. For example, the amount of water total in a swimming pool would be asking for area.

Hope it helps!

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Find the solutions to x2 = 27. O A. x = +3,5 B. x = +39 O C. x = +9.12 D. X = +9.5

Eduardwww [97]

Answer:

Step-by-step explanation:

Given

x² = 27 ( take the square root of both sides )

x = ± $\sqrt{27}$

= ± $\sqrt{9(3)}$

= ± $\sqrt{9}$ × $\sqrt{3}$

= ± 3 $\sqrt{3}$ → A

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3 years ago

What is 1 + ( -2) ?

geniusboy [140]

When we have mixed signs we need to make it a negative. A plus and a minus or a minus and a plus are made into a minus by default.

With that in mind the question would not turn into 1 - 2 =

From here we take the sign of the bigger number. The bigger number would be negative 2 and we put it as the first part of our solution

This next step might be easier with a number line from -5 to 5

We start at positive 1 on the number line. From here we need to go left because when subtracting you go left. We move two spaces to the left. So the one goes to 0 and then it goes to -1

The answer would turn out to be negative one(-1)

1 - 2 = - 1

HOPE THIS HELPED!!! PLEASE DONT FORGET TO PUT THIS ANSWER AS THE BRAINLIEST. ALSO, LEAVE A HEART AND A 5 STAR TO LET PEOPLE KNOW IN THE FUTURE THAT THIS IS THE CORRECT ANSWER WITH A CORRECT EXPLANATION!! HAVE A GOOD DAY!

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3 years ago

State if each triangle is a right triangle

Aleks04 [339]

No, each triangle is not a right triangle

7 0

3 years ago

Read 2 more answers

Please answer my question I give thanks

dexar [7]

N is a variable
1. N+4
2. dk
3. N*5
4. N-7
5. N^2 (N squared) +1
6. 3-N^2
7. N^2÷6=42
8. 2×N+5=20
9. 4×N-7=32
10. dk
11. 10+N÷2=-15
12. dk
some of them might not be correct, i did my best. i am sorry.

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4 years ago

Is 3/8 squared irratonal

givi [52]

the correct answer is yes. 3/8 is the irrational.

step by step explaination: Assuming you meant, then it's irrational. The square root of any Natural Number which is not a perfect square is irrational. 8 is not a perfect square so is irrational.

I am glad to help you!!!!!!!!!!!!

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4 years ago