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irinina [24]
4 years ago
8

PLEASE HELP MATH FAST

Mathematics
1 answer:
Juli2301 [7.4K]4 years ago
8 0
1.A
2.A
3.B
4.A
5.c
6.c
7.B
8.D
9.D
hope it helps alot
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Calculate the perimeter and area of the following square if a= 19
Licemer1 [7]

Formula for perimeter of a square: P = 4a

Formula for area of a square: A = a²

a is given as:

19

Plug this value for a into the above formulas to solve for perimeter and area.

P = 4a

P = 4(19)

P = 76

-----------------------------------------------------------------------------------------------------------------

A = a²

A = 19²

A = 361

Answer:

P = 76 units; A = 361 units².

8 0
4 years ago
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Which set of ordered pairs represents a function?
mel-nik [20]
The one that doesn't have an "x" repeated, that is an X-REPEAT
notice, the pair is just an x,y  pair.. .so if the "x" is repeated, is NOT a function

let's see

\bf \{(2, -2), (\boxed{1}, 5), (-2, 2), (\boxed{1}, -3), (8, -1)\}\impliedby \textit{has an "x" rep}eated\\\\
\{(3, -1), (7, 1), (-6, -1), (9, 1), (2, -1)\}\\\\
\{(6, 8), (5, 2), (\boxed{-2}, -5), (1, -3), (\boxed{-2}, 9)\}\impliedby \textit{has an "x" rep}eated\\\\
\{(\boxed{-3}, 1), (6, 3), (\boxed{-3}, 2), (\boxed{-3}, -3), (1, -1)\}\impliedby \textit{an "x" rep}eated
6 0
4 years ago
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I need some Help please :)
pychu [463]
I think it’s the last one
5 0
4 years ago
1/3x(-6+27y-51z)simplify
Naya [18.7K]
Final result :

9y - 17z - 2
Step by step solution :

Step 1 :

1
Simplify —
3
Equation at the end of step 1 :

1
— • (27y - 51z - 6)
3
Step 2 :

Pulling out like terms :

3.1 Pull out like factors :

27y - 51z - 6 = 3 • (9y - 17z - 2)

Final result :

9y - 17z - 2
8 0
4 years ago
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To which sets of numbers does −1/4 belong? Select each correct answer.
Pachacha [2.7K]
-1/4 will be ration because all fractions are rational 

8 0
3 years ago
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