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Aloiza [94]
3 years ago
12

I need help with all of this​

Mathematics
1 answer:
natka813 [3]3 years ago
5 0

Answer:

17) 6^5

18) 4³

19) 15^4

20) 1/3^{2}

21 - 28 i can read

Step-by-step explanation:

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Help please! I’ll give brainliest
NeTakaya
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3 years ago
A box contains 2 red marbles, 3 green marbles, and 3 blue marbles.
gogolik [260]

Answer:

9/56

Step-by-step explanation:

the odds of the first one being green is 3/8

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8 0
3 years ago
-5+2a=4a-4-3a help plz and thank you ​
sattari [20]

Answer:

a=1

Step-by-step explanation:

To make this easier, combine like terms first.

-5+2a=4a-4-3a

-5+2a=a-4

Then, add 5 on both sides.

-5+2a=a-4

<u>+5         +5</u>

2a=a+1

Now, subtract a on both sides.

2a=a+1

<u>-a  -a</u>

a=1

Hope this helps you out!!!! Have an amazing day :3

7 0
3 years ago
Find the value of a squared + b when a= -2 and b=5
ollegr [7]

Answer:

9

Step-by-step explanation:

a²+b where a= -2, b=5

(-2)²+(5)

=4+5

=9

6 0
3 years ago
How do algebra tiles help you solve equations?
Harlamova29_29 [7]

Answer:

Algebra tiles make solving equations, merging like words, or factoring polynomials a visual operation, similar to students using counters to make sense of addition in elementary school, or students using number lines to make sense of integers.

Step-by-step explanation:

i hope this helped

7 0
3 years ago
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