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2 years ago

5

David is having his birthday party at a water park.the park charges $150 plus $10 per guest.the total cost of the party y can be

represented by the equation y =10x + 150.what does the slope represent?

1 answer:

Darya [45]2 years ago

5 0

The slope (m) represents the cost per person.

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Solve the simultaneous equations 7 x + 4 y = 26 5 x + 4 y = 14

fiasKO [112]

Step-by-step explanation:

i used elimination method

8 0

2 years ago

Which of the expressions (on the photo document I inserted) together represent all solutions to the following equation?

Ipatiy [6.2K]

Answer:

x =15 + 30n

Step-by-step explanation:

8cos(12x)+4=-4

Subtract 4 from each side

8cos(12x)+4-4=-4-4

8cos(12x)=-8

Divide by 8

8/8cos(12x)=-8/8

cos(12x) = -1

Take the arccos on each side

arccos(cos(12x)) = arccos(-1)

12x = 180 degrees

But we can go around in a circle of 360 and get the same result

12 x = 180+360n where n is an integer

Divide each side by 12

x = 180/12 +360n/12

x =15 + 30n

7 0

3 years ago

A shoe store donated a percent of every sale to charity. a the total sales were $9,800 so the store donated $588. What percent o

Gnom [1K]

Answer:

They donated 6%.

Step-by-step explanation:

The total sales were $9800.

The amount donated is $588.

We want to know what percent of 9800 is 588.

Let's make an equation.

what percent of 9800 is 588

x/100 • 9800 = 588

Divide by 9800.

x/100 = 0.06

Multiply by 100.

x = 6

They donated 6%.

Hope this helps!

3 0

2 years ago

Anyone wanna help out?? <33

Vinvika [58]

Answer:

U have selected the correct answer..... Option 3rd is the correct

8 0

2 years ago

Read 2 more answers

I need help plsssss...........

ch4aika [34]

Answer:

<h2>A)x=3/2 y=½</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

system of linear equation
PEMDAS

<h3>let's solve:</h3>

since y is equal to both equation therefore we can substitute the value of y into the other equation

$\sf substitute \: the \: value \: of \: y : \\ \sf - x + 2 = 3x - 4$
$\sf add \: x \: to \: both \: sides : \\ \sf - x + x + 2 = 3x + x - 4 \\ \sf 4x - 4 = 2$
$\sf add \: 4 \: to \: both \: sides : \\ \sf xx - 4 + 4 = 2 + 4 \\ 4x = 6$
$\sf divide \: both \: sides \: by \: 4 : \\ \frac{4x}{4} = \frac{6}{4} \\ x = \frac{3}{2}$

let's figure out y

substitute the got value of x into the second equation: y=3*3/2 -4
simplify multiplication:9/2 -4
simplify division:4.5-4
substract:0.5 alternate form:y=½

3 0

2 years ago