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kenny6666 [7]
3 years ago
12

What is the answer to 3x+5y=1; -6x-10y=14

Mathematics
1 answer:
creativ13 [48]3 years ago
3 0

y= -3/5x + 1/5

Explanation: First subtract

3x from both sides, and you should have 5y = −3 x +1

. You are almost there to slope-intercept form, the 5y needs to be just

y. Divide by 5 on both sides (Make sure you divide −3x AND 1 by 5!).

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What value does 4 represents in the number 487.009 ?
kicyunya [14]

3rd place to the left of the decimal point is the hundreds place

 so the number 4 represents 4 hundred

4 0
3 years ago
What is the equation of the line that passes through the point (-4, 7) and has an
labwork [276]

Answer:

I beleive it would be y = x + 7

Step-by-step explanation:

Im sorry if im wrong, its just you didnt supply the other coordinates

7 0
2 years ago
A total of $2,000 is invested at an annual interest rate of 2%. Find the balance in the account after
Anit [1.1K]

Answer:

<u>The balance in the account after 10 years is US$ 2,442.81</u>

Step-by-step explanation:

1. Let's review the data given to us for answering the question:

Investment amount = US$ 2,000

Duration of the investment = 10 years

Annual interest rate = 2% compounded continuously

2. Let's find the future value of this investment after 10 years, using the following formula:

FV = PV * eˣ ⁿ

PV = Investment = US$ 2,000

number of periods (n) = 10 (10 years compounded continuously)

rate (x) = 2% = 0.02

e = 2.71828 (Euler's number)

Replacing with the real values, we have:

FV = 2,000 * (2.71828)^0.02*10

FV = 2,000 * 2.71828^0.2

FV = 2,000 * 1.2214027

<u>FV = US$ 2,442.81</u>

8 0
3 years ago
Please help i added the picture
yawa3891 [41]
7x + 43, that’s what I got
3 0
3 years ago
A research company surveys 8,000 people. The company expects 6,000 people to respond favorably. If there is a percent error of 2
Aliun [14]

Answer:

400

Step-by-step explanation:

6/8 = 0.75 or 75% expected to respond favorably.

Margin of error 2.5%:

  Lower bound: 0.75 - .025 = 0.725

  Upper bound: 0.75 + .025 = 0.775

Range:

  Lower bound: 8000 * 0.725 = 5800

  Upper bound: 8000 * 0.775 = 6200

  6200 - 5800 = 400

8 0
2 years ago
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