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notsponge [240]
3 years ago
13

Note: We can only use the expanded power rule when there isn't any addition or subtraction. In the example below you need to mul

tiply.
Simplify. (5t + 3)​
Mathematics
1 answer:
Simora [160]3 years ago
4 0
21 hope this helps and your welcome
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Karla is given the equation 10x + 15 = 20 to solve. She says the solution is 1/2 . Which reason justifies her solution? HELP THI
siniylev [52]
10x + 15 = 20 so 10x = 20 <span>- 15 =5, and 10x=5 means  x=5/10=1/2

</span>
5 0
3 years ago
Read 2 more answers
Compare a=4\5, b=5\6. a=b?
alexandr1967 [171]
A=4/5. that is equal to a=24/30
b=5/6. b=25/30
to equal them. so a=b? is 24/30=25/30
5*6 and 6*5
4*6 and 5*5
3 0
4 years ago
PLEASE HELP I HAVE 45 min to SUBMIT WILL GIVE BRAINLY
bija089 [108]

Answer:

Step-by-step explanation:

8 0
2 years ago
Jermaine buys T-shirts for $6 each and marks up the price by 45%.
Mumz [18]

Answer:

$2.70

Step-by-step explanation:

Cost price = $6

Mark up percentage = 45%

Mark up amount = 45% × $6

                          = 0.45 × $6

                          = $2.70

Selling price = Mark up + cost price

                    = $2.70 + $6

                    = $8.70

Jermaine sells the shirts for $8.70 and makes a profit of $2.70.

8 0
3 years ago
Simplify the expression.
notsponge [240]
The answer is 2k^2 - 7k - 4 because 2k x k is 2k^2 and 2k x (-4) is -8k and 1 x k is k and 1 x (-4) is -4. So then you would get 2k^2 - 8k + k - 4 which simplifies to 2k^2 - 7k - 4 which is your answer.
8 0
3 years ago
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