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nlexa [21]
3 years ago
15

Which method is the most efficient method to use to solve 2x^2+4x-3=0?

Mathematics
1 answer:
neonofarm [45]3 years ago
5 0
The best method would be to factor.
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Tell whether the angle measures can be those of a triangle.
babunello [35]

No.

The 3 angles of a triangle need to equal 180 degrees.

The sum of the 3 given angles is greater than 180 ( 160 + 20 + 20 = 200) so it cannot form a triangle.

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2 years ago
Mia’s cell phone plan: $15 a month plus free texts plus $2.50 per GB of high-speed data. Mia used 3.8 GB and sent 110 texts. How
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What is the value of x? ​
ra1l [238]

Step-by-step explanation:

Continuation of the answer

4x=180 degrees

X=180/4=45 degrees.

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2 years ago
GIVING OUT BRAINLIEST ANSWER!!! HELP ME OUT PLEASEEE
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7 0
3 years ago
a gas company in massachusetts charges $1.30 for 16.7 ft3 of natural gas. convert this rate to dollars per liter of gas
Katyanochek1 [597]

By using a change of units, we can see that the rate in dollars per liter is:

R = $0.0027 per liter.

<h3>How to convert the rate?</h3>

Here we have a rate in dollars per cubic foot, and we want to rewrite this in dollars per liter. So we just need to apply a change of units.

The original rate is in dollars per square foot, and it is given by:

R = $1.30 for 16.7ft^3

We know that the relation between cubic feet and liters is:

1ft^3 = 28.32 L

Then, if we apply a change of units, we can rewrite the volume as:

16.7ft^3 = 16.7*(28.32) L = 472.9 L

Then the rate is $1.30 per 472.9 L, taking the quotient we get:

R = ($1.30/472.9 L) = $0.0027 per liter.

If you want to learn more about changes of units:

brainly.com/question/9032119

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5 0
2 years ago
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