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Ainat [17]
3 years ago
14

Factorise the following: a) x + 3x - 4 b) x - 2x - 3 c) x + 2x - 8

Mathematics
1 answer:
Komok [63]3 years ago
8 0
Are they supposed to be quadratic equations? Is it x^2 +3x -4 etc?
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solve the formula for the indicated variable; formula for the sum of angles of a triangle a+b+c=180 for c please inculde steps i
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A + b + c + 180
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Lelu [443]
In the order you have it from least to greatest is 1 3 2
4 0
3 years ago
What is 22,900 written in a scientific notation
Sergeeva-Olga [200]

Answer: 2.29 x 10^4

Step-by-step explanation:

5 0
3 years ago
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The number 321.8 is 34% of x. What is the value of x rounded to the nearest whole number?
Anni [7]

Answer:

946

Step-by-step explanation:

Let's make an equation :

34% of x = 321.8

Covert 34% into decimal by dividing by 100 :

34 ÷ 100 = 0.34

Rewrite equation with decimal form :

0.34x = 321.8

Divide both sides by x to make x the subject :

x = 321.8 ÷0.34

x = 946.470588235

To the nearest whole number will be 946 as 4 rounds it down

So our final answer will be 946

Hope this helped and have a good day

7 0
1 year ago
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While traveling to Europe phlegm exancheged 250 US dollars he spent 150 euros on his trip after returning to the United States h
anzhelika [568]
1euro = 1.3687 USD 

So 150 Euros = 150*1.3687 USD 

=<span>205.305 USD 

So he spent $205.305 USD on his trip. 

He started off with $250 so to find the amount left we just take 

250 - 205.305 

= $44.695 

Or 44 dollars and 69.5 cents. It's a weirdly exact amount, sure, but the question had a very precise exchange rate, so we'll assume this is fine. </span>
4 0
3 years ago
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