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svetoff [14.1K]
4 years ago
5

Solve y = x2 +7 for x.

Mathematics
1 answer:
FromTheMoon [43]4 years ago
3 0

\huge\boxed{x=\sqrt{y-7}}

We are trying to isolate x. Subtract 7 from both sides. y-7=x^2

Find the square root of both sides. \boxed{\sqrt{y-7}}=x

<em>Note: I've attached a graph of y=x^2 +7.</em>

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Suppose a bus arrives at a bus stop every 35 minutes
Ratling [72]

Answer:

3/7

Step-by-step explanation:

The probability of at least is 1 - the probability of at most

P(at least x) = 1 - P(at most x)

The given is:

1. A bus arrives at a bus stop every 35 minutes

2. You arrive at the bus stop at a random time

3. You will have to wait at least 20 minutes for the bus

∵ The bus arrives at a bus stop every 35 minutes

∵ You arrive at the bus stop at a random time

∵ You will wait at most for 20 minutes for the bus

∴ P(at most 20 minutes) =

∵ P(at least 20 minutes) = 1 - P(at most 20 minutes)

∴ P(at least 20 minutes) = 1 -

∴ P(at least 20 minutes) =

- Simplify the fraction by divide up and down by 5 and you will get your answer!

please mark me brainliest!

5 0
3 years ago
What is the relationship between 7 and —7?
Alex73 [517]

Answer: absolute value

Step-by-step explanation:

Sorry for my writing it’s horrible ik I’m in a hurry rn lol

4 0
3 years ago
Find a normal subgroup of v which is not normal in a4.
Tpy6a [65]

he elements of the Klein <span>44</span>-group sitting inside <span><span>A4</span><span>A4</span></span> are precisely the identity, and all elements of <span><span>A4</span><span>A4</span></span>of the form <span><span>(ij)(kℓ)</span><span>(ij)(kℓ)</span></span> (the product of two disjoint transpositions).

Since conjugation in <span><span>Sn</span><span>Sn</span></span> (and therefore in <span><span>An</span><span>An</span></span>) does not change the cycle structure, it follows that this subgroup is a union of conjugacy classes, and therefore is normal.

6 0
3 years ago
Ira went to the movies with $35.91 in
svetlana [45]

Answer:

$13.36

Step-by-step explanation:

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35.91-22.55= 13.36

6 0
3 years ago
Read 2 more answers
What is Associative propert
DENIUS [597]

Answer:

Associative property of multiplication is the grouping of numbers being multiplied can be changed without affecting the product.

here is an example!

Addison Rae work using the associative property:

(-8.5)(5)(-4) =

(-8.5)(-20) =

170

hope this helped it was from my FLVS schooling :)

8 0
3 years ago
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