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3 years ago

If sod costs $0.39 per square foot, how much will it cost to sod the lawn of 90ft and 180ft?

Mathematics

1 answer:

miss Akunina [59]3 years ago

8 0

Answer:

$6,318

Step-by-step explanation:

1. Multiply 180 and 90 to find the area of the land which is 16,200 square feet

2. Multiply 16,200 by 0.39 to find the cost which will end up being $6,318

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Solve the system of equations 2r - 6y= 28 -x-y = 14 PLEASE HELP

o-na [289]

Answer:

$\displaystyle [-7, -7]$

Step-by-step explanation:

{2x - 6y = 28

{−x - y = 14

−⅙[2x - 6y = 28]

{−⅓x + y = −4⅔

{−x - y = 14

____________

$\displaystyle \frac{-1\frac{1}{3}x}{-1\frac{1}{3}} = \frac{9\frac{1}{3}}{-1\frac{1}{3}} \\ \\$

$x = -7$ [Plug this back into both equations above to get the y-coordinate of −7]; $\displaystyle -7 = y$

I am joyous to assist you anytime.

3 0

3 years ago

Is (1,1) a solution the equation 2x - y = 1 ?

stealth61 [152]

Answer:

Yes

Step-by-step explanation:

2 times 1= 2

y=1

2-1=1

Yes

8 0

2 years ago

Read 2 more answers

Mrs. Summers polled the students in her 7th and 8th grade classes to determine the number of pets each student has at home. The

Burka [1]

Answer:

There are 32 kids in Mrs. Summers's class. The percentage is 5.30% of kids have one pet. 6 kids have one pet in Mrs. Summer's class.

I hope this helps :)

Step-by-step explanation: There are 32 students in the 7th grade/Number of pets

Step-by-step explanation:

Just count all of the x's

8 0

3 years ago

Read 2 more answers

Ryan has two jobs. He earns $9 per hour for x hours babysitting his cousins and he earns $18 per hour for y hours working at the

Volgvan

Answer:

Umm I don't think you wrote out the whole question...

Step-by-step explanation:

$18 nine hours, $9 one hour = $177

$18 eight hours, $9 two hours = $162

$18 seven hours, $9 three hours = $153

$18 six hours, $9 four hours = $144

$18 five hours, $9 five hours = $135

$18 four hours, $9 six hours = $126

$18 three hours, $9 seven hours = $117

$18 two hours, $9 eight hours = $108

$18 one hour, $9 nine hours = $99

5 0

2 years ago

Which function is the inverse of f(x) = 2x + 3?

olga_2 [115]

Answer: Option 2

Step-by-step explanation:

Let f(y)=x.

$x=2y+3\\\\x-3=2y\\\\y=\frac{1}{2}x-\frac{3}{2}\\\\f^{-1}(x)=\frac{1}{2}x-\frac{3}{2}$

8 0

2 years ago