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goblinko [34]
4 years ago
15

Y<3x+5 and y>3x-1 A true B false

Mathematics
2 answers:
Alexandra [31]4 years ago
7 0
A the answer is true
aalyn [17]4 years ago
7 0
Put x=0,y=0
0<0+5 
or 0<5 which is true
again 0>0-1
or 0>-1
which is true.
yes the given statement is true.
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Find the inner product for (7, 2) * (0, -2) and state whether the vectors are perpendicular.
Andrews [41]

Answer: A

Step-by-step explanation:

To find the inner product of two vectors (a,b) and (c,d) you would use the equation (a * c) + (b * d)

So for (7,2) and (0,-2) the inner product would be

(7 * 0) + (2 * -2)

= 4

The vectors are only perpendicular when the inner product is equal to 0. Since it is equal to -4 in this case, the vectors are not perpendicular.

A -4; no

3 0
3 years ago
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Why does cube root 7 equal 7 to the 1/3 power
UNO [17]

Answer:

Step-by-step explanation:

Here's how you convert:

\sqrt[n]{x^m}=x^{\frac{m}{n}  The little number outside the radical, called the index, serves as the denominator in the rational power, and the power on the x inside the radical serves as the numerator in the rational power on the x.

A couple of examples:

\sqrt[3]{x^4}=x^{\frac{4}{3}

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It's that simple. For your problem in particular:

\sqrt[3]{7} is the exact same thing as \sqrt[3]{7^1}=7^{\frac{1}{3}

8 0
3 years ago
Will give brainliest.
Dennis_Churaev [7]
Pretty sure it's A. (X times .5 equals Y)
8 0
3 years ago
Which are the possible side lengths of a triangle?
vova2212 [387]
Do you know what the answer choices are?

4 0
3 years ago
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X4 – 17x2 + 16 = 0 Rewrite the equation in terms of u
slavikrds [6]
You probably are interested in expressing the given equation as a quadratic equation in u, as it will make it easy to find the solutions.

Let u = x²
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6 0
3 years ago
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