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cricket20 [7]
2 years ago
7

3x – 2y = 24 x + 2y = 48

Mathematics
2 answers:
alexdok [17]2 years ago
8 0

Answer: that’s right

Step-by-step explanation:

Vitek1552 [10]2 years ago
4 0

Answer:

x=18

y=15

Step-by-step explanation:

3x-2y=24  leave this one for a sec and come back to it

x+2y=48 solve for x

x=48-2y now take this and put it in for x in the first equation

3(48-2y)-2y=24 distribute

144-6y-2y=24 now from combine like terms and subtract 144

-8y=-120 divide

y=15 take this and put it into the equation that is solved for x

x=48-2(15)

x= 48-30

x=18

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If cos28 = x/4, find x(3sf)
FinnZ [79.3K]
Cos28 = x/4 so to get rid of the fraction , multiply each side by 4 so it'll be
4cos28 = x
x = 3.531790371
Hope this helps=)
3 0
3 years ago
What is an equation of the line that passes through the point (-4, -7) and is
ale4655 [162]

Answer:

The answer is

<h2>y = 3x + 5</h2>

Step-by-step explanation:

Equation of a line is y = mx + c

where

m is the slope

c is the y intercept

To find the equation of the line parallel to 3x - y = 14 we must first find the slope of 3x - y = 14.

So we have

y = 3x - 14

Comparing with the general equation above

Slope / m = 3

Since the lines are parallel their slope are also the same

So slope of parallel line = 3

Equation of the line using point ( - 4 , -7) and slope 3 is

<h3>y + 7 = 3(x + 4) \\ y + 7 = 3x + 12 \\ y = 3x  + 12 - 7</h3>

We have the final answer as

<h3>y = 3x + 5</h3>

Hope this helps you

6 0
3 years ago
Danielle earns a 8.25% commission on everything she sells at the electronics store where she works. She also earns a base salary
Otrada [13]

Lets begin with our y=mx+b, our constant(b) is 800 that she earns as a salary, our x represents the amount she sells, m then represents the commission which is 8.25% so converting that to a decimal and replacing it as m gets us y = 0.0825x+800. Replace $4500 for x and we have y=0.0825(4500)+800 solve and we get $1171.25

5 0
2 years ago
Ryan is remodeling his kitchen floor, which is 110 square feet. He used
irakobra [83]

Answer:

He will need 9 tiles

Step-by-step explanation:

Step one:

let us highlight the given parameters

Given data

the size of the kitchen floor is 110 ft^2

the size of the bathroom is 28 ft^2

he used 32.5 tiles for the kitchen

and used x tiles for the bathroom

Step two:

if he used 32 tiles for 110 ft^2 kitchen

he will use x tiles for 28 ft^2 bathroom

cross multiplying we have

x= (32*28)/110

x= 896/110

x= 8.145

<em>Approximately he will need 9 tiles</em>

4 0
3 years ago
Multiply the following and simplify.
Yuki888 [10]
What are we multiplying exactly?
5 0
3 years ago
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