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Luba_88 [7]
3 years ago
8

What is the solution to the system of equations? y = 2x – 3.5 x – 2y = –14

Mathematics
1 answer:
iogann1982 [59]3 years ago
8 0

Answer:

7

Step-by-step explanation:

Substitution then simplify

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What is -2.9 = 3f + 4.3
PolarNik [594]

-2.9 = 3f + 4.3\\3f+4.3+2.9=0\\3f+7.2=0\\3f=-7.2\\f=-7.2/3\\f=-2.4

8 0
3 years ago
You have $50 and are buying some movies on DVDs that cost $15 each. Write an expression that shows how
alexdok [17]

Answer:

50 - 15m

Step-by-step explanation:

You start out with 50 dollars so that is the constant.

Each DVD is 15 dollars, so for every dvd(m) it is 15 dollars.

3 0
2 years ago
Computer purchases: Out of 809 large purchases made at a computer retailer, 347 were personal computers, 398 were laptop compute
Luda [366]

Step-by-step explanation:

personal- 347 ÷ 809 = 0.43%

lap top- 398 ÷ 809 = 0.49%

printer- 64 ÷ 809 = 0.08%

6 0
3 years ago
in an election an amount of votes was share among parties A,B and C in the ratio of 1:2:4. How many votes party B obtained if pa
spayn [35]

1000

Step-by-step explanation:

Let the share of votes obtained by the parties A, B and C be x, 2x and 4x respectively.

According to the given information:

No of votes obtained by C = 1500 + No of votes obtained by A

\therefore 4x = 150. + x \\\\\therefore 4x - x = 1500\\\\\therefore 3x = 1500\\\\\therefore x = \frac{1500}{3} \\\\\therefore x = 500\\\\\because Votes \:obtained\: by \:B = 2x \\\\\therefore Votes \:obtained\: by \:B = 2\times 500\\\\\purple {\bold {\therefore Votes \:obtained\: by \:B = 1000}} \\\\

7 0
3 years ago
The simplified form of 5√2 - 4√2/ √2 is... its estimated value is..
ankoles [38]

Answer:

2 answers available depending on paranthesis

Step-by-step explanation:

5√2-4√2/√2 = 5√2 - 4

if there is a parenthesis like

(5√2 - 4√2)/√2 = 1√2/√2 =1

7 0
2 years ago
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