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Gala2k [10]
2 years ago
12

Which shows equivalent expressions a^2+3b-2a^2=3^a+3b-4a^2 a^2+3b-2a^2=3^a+4b-4a^2 -a^2+3b-2a^2=3a^2+3b -a^2+3b+2a^2=3a^+4b-2a^2

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Mathematics
1 answer:
scoray [572]2 years ago
6 0
I don’t think this is formatted correctly, but I think it may be the 2nd one.
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A 24 inch board is to be cut into three pieces so that the second piece is twice as long as the first piece and the third piece
Anastaziya [24]

F=length of first piece=x; S=length of second piece=2x

T=length of third piece=3x

.

F+S+T=24 inches

x+2x+3x=24 inches

6x=24in

F=x=4in

ANSWER 1: The length of the first piece is 4 inches.

.

S=2x=2(4in)=8in

ANSWER 2: The length of the second piece is 8 inches.

.

T=3x=3(4in)=12 inches.

ANSWER 3: The length of the third piece is 12 inches.

.

CHECK:

F+S+T=24in

4in+8in+12in=24in

24in=24in

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2 years ago
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Verizon [17]
Mee too these test are hard Your is -18
4 0
3 years ago
What number is 62.5% of 195?
Charra [1.4K]

Answer:

121.875 if calculated so 121.875 if it shows it or less

4 0
3 years ago
Read 2 more answers
Bank A charger a 4$ service fee and $0.25 for each check written. Bank B charges $5 and $0.20 for each check written . How many
Andre45 [30]
1. A person would need to write 20 checks each month for the two banks to charge the same amount in fees.
2. The account from Bank A would cost less if a person were to write 10 checks in a month.

Explanation:
1. Bank A = 0.25x + 4, Bank B = 0.2x + 5

0.25x + 4 = 0.2x + 5
0.05x = 1
x = 20

2. Bank A = 0.25(10) + 4 = $6.5
Bank B = 0.2(10) + 5 =$7
Therefore, it would cost less to write 10 checks from Bank A.
8 0
3 years ago
What are 2 examples of proportional relationships?
Liula [17]

Answer:

A proportional relationship is states that they are the same. For example, 1/2 and 6/12 have a proportional relationship, which means they are the same.

Step-by-step explanation:

hope this helped ✨

6 0
3 years ago
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