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VashaNatasha [74]
3 years ago
11

Can someone help me with this worksheet? I'm trying to check my daughter's work and I'm not sure how to do this. Showing the wor

k would help me see where and if shes wrong.
Mathematics
1 answer:
Kaylis [27]3 years ago
5 0

Answer:

Step-by-step explanation:

scam . smď

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Solve x + 18 &gt; 19.<br> I need help solving
lions [1.4K]

Answer:

x>1

Step-by-step explanation:

x + 18 > 19

Subtract 18 from each side

x + 18-18 > 19-18

x>1

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3 years ago
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Which of the following is true of the discriminant for the graph below
aniked [119]

Answer:

Step-by-step explanation:

The discriminant is used to determine the number and nature of the zeros of a quadratic. If the discriminant is positive and a perfect square, there are 2 rational zeros; if the discriminant is positive and not a perfect square, there are 2 rational complex zeros; if the discriminant is 0, there is 1 rational root; if the discriminant is negative, there are no real roots.

The roots/solutions/zeros of a quadratic are where the graph goes through the x axis. Those are the real zeros, even if they don't fall exactly on a number like 1 or 2 or 3; they can fall on 1.32, 4.35, etc. They are still real. If the graph doesn't go through the x-axis at all, the zeros are imaginary because the discriminant was negative and you can't take the square root of a negative number. As you can see on our graph, the parabola never goes through the x-axis. Therefore, the zeros are imaginary because the discriminant was negative. Choice C.  Get familiar with your discriminants and the nature of quadratic solutions. Your life will be much easier!

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A hardware dealer has 168kg of nails, if one nail weighs 0.25kg, how many nails he have?​
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Answer:

He has 672 nails

Step-by-step explanation:

168/.25

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The numbers 22 and 35 are relatively prime. TrueFalse
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Answer: True

Step-by-step explanation:

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