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madam [21]
3 years ago
14

What is the result of multiplying the second equation by 2 and adding to the first equation?

Mathematics
2 answers:
UkoKoshka [18]3 years ago
8 0

Answer:

5x + 3y = 6

Step-by-step explanation:

vladimir1956 [14]3 years ago
3 0

Answer:

5x + y = 8

Step-by-step explanation:

Given the equations:

x+3y=10 ____ (1)

2x−y=−1 ____ (2)

Multiply (2) by 2

2(2x - y = - 1) = 4x - 2y = - 2

4x - 2y = - 2 - - - (3)

Add (1) and (3)

4x - 2y = - 2

x + 3y = 10

___________

5x + y = 8

_________

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What is (2x2 + 4x − 3)(x2 + 2) distributived ?
Effectus [21]

Answer:

2x⁴ + 4x³ + x² + 8x - 6

Step-by-step explanation:

(2x² + 4x - 3)(x² + 2)

2(x² + 2) · x² + 4x(x² + 2) - 3(x² + 2)

2x⁴ + 4x² + 4x(x² + 2) - 3(x² + 2)

2x⁴ + 4x² + 4x³ + 8x - 3x² - 6

2x⁴ + x² + 4x³ + 8x - 6

2x⁴ + 4x³ + x² + 8x - 6

6 0
2 years ago
Can someone explain to me please
Leona [35]
Its really not that hard work out them all then your find the answer
6 0
3 years ago
Read 2 more answers
You 5-year loan of $14,000 is at 4.3% compounded annually. How much will you have paid in total for your loan?
Dafna1 [17]

Answer:

$17,276

Step-by-step explanation:

Given data

Time= 5 years

Principal= $14,000

Rate= 4.3%

We want to find the final amount

A=P(1+r)^t

Substitute

A= 14000(1+0.043)^5

A= 14000(1.043)^5

A= 14000*1.234

A=$17276

Hence the total amount is $17,276

5 0
2 years ago
One of the numbers 0 through 9 is drawn at random. Match the following events with their probabilities.
devlian [24]

Answer:

Drawing 4 - 1/10

Drawing odd number - 1/2

Not drawing 3- 9/10

Drawing 5 or 6 -  1/5

Drawing a number greater than 9 - 0

Let me know if this helps!

3 0
3 years ago
Use SSS, SAS, ASA, AAS, or Not Enough Information to identify the postulate or theorem that immediately confirms the congruence
kiruha [24]

Answer:

e) SAS

f) Not enough information

Step-by-step explanation:

e) Sas because there is an angle in between two sides and for that angle is opposite angles

f) Not enough information because SSA is not a theorem

6 0
2 years ago
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