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Nikitich [7]
4 years ago
14

Solve the equation5x+4y=58xy.........3x+7y=67xy.........​

Mathematics
1 answer:
Oduvanchick [21]4 years ago
8 0

Answer:

x = 6, Y =7

Step-by-step explanation:

if you need explanation please ask in the comments .....I will edit the answer

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If a musician uses his credit card to pay for a new violin that costs $2,900 and does not pay on it until the second month, what
OLEGan [10]

Answer:

$97.15.

Step-by-step explanation:

We have been given that a musician uses his credit card to pay for a new violin that costs $2,900 and does not pay on it until the second month. The interest rate of credit card is 3.35% monthly.

We will use interest formula to solve our given problem.

I=PrT, where,

I=\text{Interest},

P=\text{Principal amount},

r=\text{Interest rate in decimal form},

T=\text{Time}  

Let us convert our given interest rate in decimal form.

3.35\%=\frac{3.35}{100}=0.0335

Upon substituting our given values in interest formula we will get,

I=2,900*0.0335*1

I=2,900*0.0335

I=97.15

Therefore, the monthly interest charge at the end of the 1st month will be $97.15.

7 0
4 years ago
HELP!! Which of these linear equations best describes the given model?
viktelen [127]

Option B:

The linear equation that best describes the model is y = 40x + 800.

Solution:

Take two points which exactly on the line.

Let the points are (0, 800) and (10, 1200).

x_1=0, y_1=800, x_2=10, y_2=1200

Slope of the line:

$m=\frac{y_2-y_1}{x_2-x_1}

$m=\frac{1200-800}{10-0}

$m=\frac{400}{10}

m = 40

y-intercept of the line is where the line crosses at y-axis.

y-intercept (b) = 800

Equation of a line:

y = mx + b

y = 40x + 800

The linear equation that best describes the model is y = 40x + 800.

Option B is the correct answer.

4 0
3 years ago
Travis wants to borrow money to start a racquetball club at his school. He convinced the athletic department to loan him $2,500
makvit [3.9K]

Answer:

It's c because you times 2500 by .07 then add that amount to 2500.

Step-by-step explanation:

Kono Dio Da!!!!

8 0
3 years ago
U
Romashka-Z-Leto [24]
Discrimination 100 the real answer is that and it will not make since at dirt but it is have a good day
6 0
4 years ago
The penguin pool at a zoo is in the shape of a circle. A penguin is moving at a constant speed and walks 4 laps around the pool
Nataly_w [17]

Answer:

1. D

2. B

1. 10/4=2.5.

2. 2.5*18=45

8 0
4 years ago
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