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allochka39001 [22]
3 years ago
11

Need help with this question ASAP.

Mathematics
2 answers:
Rainbow [258]3 years ago
6 0

Answer:

7=x

Step-by-step explanation:

Equation

4x = 7(x - 3)

we apply distributive property c(b+a)= bc+ac

4x = 7x - 21

Group similar terms

21=7x-4x

Resolve addition / subtraction operations

21=3x

clear the x. Dividing both terms by the coefficient that accompanies the x

\frac{21}{3}=\frac{3x}{3}

7=x

saw5 [17]3 years ago
3 0
Your answers all seem correct.
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Ineed help help me please
melamori03 [73]
The symbol ₁₂P₉ represents the permutations of 9  quantities out of 12.
By definition,
_{12}P_{9} =  \frac{12!}{(12-9)!} = \frac{12!}{3!}

From the calculator,
12! = 479,001,600
3! = 6

Therefore
₁₂P₉ = 479001600/6 = 79,833,600

Answer: 79,833,600
8 0
4 years ago
The perimeter of a rectangular concrete patio is 100 meters. it is 30 meters long. how wide is it?
34kurt
Perimeter is 2l+2w
100 =2(30) + 2w
100 =60 + 2w
-60 -60
40 = 2w

w=20 meters.
6 0
4 years ago
What expression is equal to 75. Squared?
Murljashka [212]
The answer to 75 squared is 5,625.
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4 years ago
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Andrej [43]
.36. Just put that in
7 0
4 years ago
Read 2 more answers
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joja [24]
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a = 3n - 20

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