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serious [3.7K]
3 years ago
10

One Step EquationsSolving with +/-Solve each equation.1) 3=n-7​

Mathematics
2 answers:
n200080 [17]3 years ago
8 0
Answer: 10
You can use the inverse operations
Naily [24]3 years ago
3 0

Answer:

n=10

Step-by-step explanation:

Add 7 to 3

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Write the given trinomial if possible as a square of a binomial or as an expression opposite to a square of a binomial: 15ab-9a^
MrMuchimi

Answer:

- \bigg(3a -  \frac{5}{2} b) \bigg)^{2}

Step-by-step explanation:

15ab-9a^2-6  \frac{1}{4} b^2 \\  \\  = 15ab-(3a)^2-\frac{6 \times 4 + 1}{4} b^2 \\  \\ = 15ab-(3a)^2-\frac{24+ 1}{4} b^2 \\  \\ = 15ab-(3a)^2-\frac{25}{4} b^2 \\  \\   = 15ab- (3a)^2- \bigg(\frac{5}{2} b \bigg)^2  \\  \\ =  -  \{ - 15ab + (3a)^2 +  \bigg(\frac{5}{2} b \bigg)^2  \} \\  \\ =  -  \{ (3a)^2 +  \bigg(\frac{5}{2} b \bigg)^2 - 15ab  \} \\  \\  =   - \bigg(3a -  \frac{5}{2} b \bigg)^{2}

3 0
3 years ago
Judy is making scarves to give to her family as gifts. She needs to make 5 scarves and each scarf is 3.75 feet long. How many ya
Trava [24]
You multiply five by 3.75 and you get 18.75 ft. to get yards you divide by three and you get 6.25 yards

6 0
3 years ago
PLEASE HELP I WILL MARK BRAINLIEST
Lelu [443]

Answer:

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Step-by-step explanation:

Given is the shape of a trapezoid.

Therefore,

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=  \frac{1}{2} (2 + 7) \times 6 \\  \\  = 9 \times 3 \\  \\  = 27 \:  {km}^{2}

5 0
3 years ago
Can you solve or nahh
Zielflug [23.3K]
1.06, 1.16, 1.6, 1.62, 1.66
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6 0
3 years ago
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