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sergiy2304 [10]

3 years ago

8

a rectangular room has an area of 131 1/4 square feet. The length of the room is 12 1/2 feet. What is the width, in feet, of the

room?

1 answer:

Arisa [49]3 years ago

7 0

Divide area (131 1/4 ft^2) by the length (12 1/2 ft) equaling the width (10 1/2 ft)

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Solve the System of equations using substitution or elimination. Show work. 3x-4y=-31 X+y=6

Nataly_w [17]

Hope this helps I got (-1, 7)

6 0

3 years ago

Add and Subtract Fractions:

Pachacha [2.7K]

1. 7/10(1/5=2/10)
2. 1/12(1/2=6/12)

8 0

3 years ago

Write 9x - 8 as a verbal expression <br><br> Please the fast as possible!

Natalka [10]

Answer:

8 subtracted from the product of 9 and x

Hope this helps!

4 0

2 years ago

In the adjoining figure, ABCD is a square of side 28 cm find the area of shaded region

vodka [1.7K]

Step-by-step explanation:

Area of square

A = s²

A = 28²

A = 28 × 28

A = 784 cm²

7 0

2 years ago

Solve this quadratic equation by completing the square.

nadya68 [22]

Answer:

$x=-3+\sqrt{27}\\ x=-3-\sqrt{27}$

Step-by-step explanation:

Let's find our C value for the quadratic equation.

$(\frac{6}{2})^{2} = 9$

That is our C. Since we added 9 to one side, we have to do the same to the other. We get:

$x^{2} +6x + 9 = 18 + 9\\x^{2} +6x + 9 = 27$

Now, lets form the left side as a binomial squared.

$(x+3)^{2} = 27$

Let's square both sides now:

$x+3 = (+/-)\sqrt{27}$

Now, we subtract 3 from both sides to isolate the variable, X:

$x= -3(+/-)\sqrt{27}$

This means that the answers are:

$x=-3+\sqrt{27}\\ x=-3-\sqrt{27}$

I do not understand your answers though. Answer A makes no sense, answer B is 221, answer C is 115, and answer D also does not make sense. If you could clarify this portion, maybe I can help you find your alphabetic answer

3 0

3 years ago