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Leona [35]
3 years ago
6

Write in Standard Form: 2a^2 = a - 2

Mathematics
1 answer:
pickupchik [31]3 years ago
7 0

<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

Answer:

2a^2 - a + 2 = 0

<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

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If pq = 23 and uv = 1/23, find the value of u×q×v×p. Explain which properties you used
zhannawk [14.2K]

Remember that multiplication is <em>commutative</em>, which means the order in which we multiply things doesn't matter.

The order of u × q × v × p (which we can abbreviate uqvp) isn't as important as the fact that <em>we're multiplying all four values together</em>. We could just as easily rewrite the expression as pquv, and it'd represent the same value.

To find this value then, we can simply multiply pq and uv - the values we already know - together.

If we start with the expression pq = 23, we can multiply either side by uv (taking advantage of the <em>multiplication property of equality) </em>to get

pquv = 23uv

And since we know that uv = 1/23, we can use the <em>substitution property of equality</em> to replace the uv on the right side with 1/23:

pquv = 23(1/23)

The <em>inverse property of multiplication </em>states that any number multiplied by its inverse (its reciprocal) gives us 1. 23 and 1/23 are reciprocals of each other, so 23(1/23) = 1, which means

pquv = 1

Finally, going back to the second paragraph, we can use the <em>commutative property of multiplication </em>to rearrange the left side of the equation, giving us the solution

uqvp = 1

3 0
3 years ago
1 centimeter on the map represents 100 kilometers on he ground. The scale ratio is 1 to ?
hoa [83]
The scale ratio is 1 to 100
5 0
3 years ago
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One-eighth of a number is -4,200.<br><br> What is the number?
Leno4ka [110]
0.125 sorry if I’m wrong :(
7 0
3 years ago
On December 1 at 10 P.M., the bright star Procyon will just be rising on the eastern horizon. At approximately what time would y
Citrus2011 [14]

Answer:

8 : 24 P.M

Step-by-step explanation:

Data provided in the question:

On December 1 bright star Procyon will just be rising on the eastern horizon at 10 P.M

Now,

we know that Stars rise 4 minutes earlier each night

Therefore,

24 days later i.e after 24 nights the total early time

= 24 days × 4 minutes per day

= 96 minutes

or

= 1 hour 36 minutes early

Hence,

on Christmas Day the star will rise at 1 hour 36 minutes early than 10 P.M

= 8 : 24 P.M

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4 years ago
Stella is making a juice-mix that uses apple juice and pomegranate juice in a 5:8 ratio. Which all of the following
SCORPION-xisa [38]

Answer:

She should buy some good quality juice so she can sell it and buy Chandler a ostrich.

Step-by-step explanation:

7 0
3 years ago
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