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VARVARA [1.3K]
3 years ago
10

Janet wants to plant a square flower garden in her yard. She has enough topsoil to cover an area of 30 square feet. How long can

a side of the flower garden be
Mathematics
1 answer:
gregori [183]3 years ago
6 0
It can be at least 5.4 feet long since the area of a square is A=s^2. 5.4 times 5.4 is 30
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5=1/3(2x+12)<br><br> Solve for X in simplest form
garik1379 [7]

9514 1404 393

Answer:

  x = 3/2

Step-by-step explanation:

Multiply by 3 and solve the resulting 2-step equation.

  5 = (1/3)(2x +12)

  15 = 2x +12 . . . . . . multiply by 3

  3 = 2x . . . . . . . . . . subtract 12

  3/2 = x . . . . . . . . . . divide by 2

4 0
3 years ago
Calculate the average rate of change of f(x) = x2 - 1 x - 4 for 2 ≤ x ≤ 6.
hoa [83]

Answer:

Hence, the average rate of change is:

\dfrac{97}{12}

Step-by-step explanation:

We are asked to calculate the average value of the function:

f(x)=x^2-\dfrac{1}{x}-4 in 2 ≤ x ≤ 6

The average rate of change of the function f(x) in the interval 2 ≤ x ≤ 6  is given as:

\dfrac{f(6)-f(2)}{6-2}\\\\=\dfrac{f(6)-f(2)}{4}

Now,

f(6)=36-\dfrac{1}{6}-4\\\\f(6)=32-\dfrac{1}{6}\\\\f(6)=\dfrac{191}{6}

f(2)=4-\dfrac{1}{2}-4\\\\\\f(2)=-\dfrac{1}{2}

Hence, the average rate of change is:

\dfrac{\dfrac{191}{6}-\dfrac{-1}{2}}{4}\\\\=\dfrac{194}{6\times 4}\\\\=\dfrac{97}{12}

Hence, the average rate of change is:

\dfrac{97}{12}

8 0
3 years ago
Read 2 more answers
What is the solution of the equation. find the value of y when x equals -10. 2x - 9y = -38
cestrela7 [59]

Answer:

y =2

Step-by-step explanation:

Substitute -10 for x:

2(-10)-9y = -38

-20-9y = -38

-9y = -18

9y = 18

y = 2

4 0
2 years ago
Only answer if you’re a hundred percent sure. The answer has to be a single number.
solniwko [45]

Answer:

The answer should be -4/1 or just -4.

Step-by-step explanation:

y/x

The change in y is reducing by 4. The change in x is adding 1

3 0
3 years ago
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