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goblinko [34]
3 years ago
10

2x + y = 9 5x + 3y = 26

Mathematics
1 answer:
Tanya [424]3 years ago
5 0

Answer:

7X+4y=35

Step-by-step explanation:

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They did not survey customers at restaurants across Monster World.

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4. Peter is calculating interest earned on a deposit of $275 in an account that earns 8% simple interest after 12 years.
tatuchka [14]

Answer:

a) He substituted 0.8 instead of 0.08.

b) $264

Step-by-step explanation:

From the question, the principal is p= $275, the rate is r=0.08, and the time is t=12 years.

We substitute into the formula to get:

I=prt

I=275 \times 0.08 \times 12 \\ I=264

a) The mistake is that, he substituted 0.8 instead of 0.08.

b) The correct amount is $264

6 0
3 years ago
A boat traveled 432 miles downstream and back. The trip downstream took 12 hours. The trip back took 24 hours. What is the speed
Troyanec [42]
Speed of the boat in still water would be (432/12=36) 36mph and the speed of the current should be (432/24=18) 18mph
8 0
3 years ago
How do you multiply (x+5)(x+5)(x+5)
Monica [59]
The answer is x^3+15x^2+75x+125
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3 years ago
Given the parent function of f(x) = x4, what change will occur when the function is changed to negative f, bracket one half x en
Evgesh-ka [11]
<span>There exists the same question that has the following choices.

</span>A. Graph opens the same way and is narrower
B. Graph opens the same way and is wider
C. Graph opens the opposite way and is narrower
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After applying the changes in the function, the new equation is 
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The correct answer is letter D. Graph opens the opposite way and is wider.
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3 years ago
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