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gulaghasi [49]
3 years ago
10

What is the value of the expression 7–3? A. –21 B. Negative Exponents C. Negative Exponents D. 343

Mathematics
1 answer:
dmitriy555 [2]3 years ago
4 0
Its not A (7-3=4   4 doesn't = -21) and it's not D (<span>7-3=4   4 doesn't = 343</span>)
and B & C is the same thing
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Answer:

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Step-by-step explanation:

Figure on the right is simply figure on the left but flipped on its side. we know this because the question tells us the shapes are congruent (which means equal, the same)

7 0
2 years ago
Hey can you please help me posted picture of question
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We can use quadratic formula to determine the roots of the given quadratic equation.

The quadratic formula is:

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c = constant term = 15

Using the values, we get:
x= \frac{11+- \sqrt{121-4(2)(15)} }{2(2)} \\  \\ &#10;x= \frac{11+-1}{4} \\  \\ &#10;x=3, x= 2.5

So, the correct answer to this question are option B and D
4 0
3 years ago
What is the point of intercection of lines y=x and y=2x+1
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Answer:

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Step-by-step explanation:

Let's set these two equations equal to each other to solve the system:

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Thus, the point of intersection is (-1, -1).

Hope this helps!

8 0
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Read 2 more answers
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Step-by-step explanation:

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