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larisa [96]
3 years ago
12

Find the value of x. Give the answer in simplest radical form. PLEASE HELP

Mathematics
1 answer:
Dafna11 [192]3 years ago
5 0

The answer is 7 or 7.07. Hope this helps

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Can someone help me solve this please + ( − )2
Pavlova-9 [17]
-2

We know that a positive and a negative will end in a negative result. (+) (-) = (-)
4 0
3 years ago
The length of a rectangle is 5 ft less than three times the width, and the area of the rectangle is 50 ft². Find the dimensions
Mariulka [41]

Answer

Length = 10 ft

Width = 5 ft

Explanation

Area of the rectangle given = 50 ft²

Let the width of the rectangle be x

So this means the length of the rectangle will be 3x - 5

What to find:

The dimensions of the rectangle.

Step-by-step solution:

Area of a rectangle = length x width

i.e A = L x W

Put A = 50, L = 3x - 5, W = x into the formula.

\begin{gathered} 50=(3x-5)x \\ 50=3x^2-5x \\ 3x^2-5x-50=0 \end{gathered}

The quadratic equation can now be solve using factorization method:

\begin{gathered} 3x^2-5x-50=0 \\ 3x^2-15x+10x-50=0 \\ 3x(x-5)+10(x-5)=0 \\ (3x+10)(x-5)=0 \\ 3x+10=0\text{ }or\text{ }x-5=0 \\ 3x=-10\text{ }or\text{ }x=5 \\ x=-\frac{10}{3}\text{ }or\text{ }x=5 \end{gathered}

Since the dimension can not be negative, hence the value of x will be = 5.

Therefore, the dimensions of the rectangle will be:

\begin{gathered} Length=3x-5=3(5)-5=15-5=10\text{ }ft \\  \\ Width=x=5\text{ }ft \end{gathered}

7 0
1 year ago
Save and
Darya [45]

Answer: 6/5

Step-by-step explanation:

7 0
2 years ago
PLS HELP
Anna007 [38]

he spends 9.6 hours sleeping each day! plz mark me the brainliest!

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3 years ago
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Well...just look at ur graph...it appears that the more fliers u send out, the more customers there are....therefore,when the fliers are increased,  the number of new customers will increase because the graph shows a positive association
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