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Llana [10]
3 years ago
13

A rectangular bedroom is 2 ft longer than it is wide. It's area is 288 ft2. What is the width of the room?

Mathematics
2 answers:
Ulleksa [173]3 years ago
4 0

Answer:

96ft

Step-by-step explanation:

length=x+2

width=x

x+2*x=288

3x=288

x=96

pashok25 [27]3 years ago
4 0

Answer:

= 144 ft

Step-by-step explanation:

Area = lenght × width

288 = 2 × width

Therefore

Width = 288 ÷ 2

= 144 ft

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The triangular pyramid shown is made up of four congruent triangles. The length of the base is 8 inches, and the height of the b
Aneli [31]

Answer:

(B) Talia is correct. The lateral area can be found by approximating one large triangle, which can be found using the expression 4 (one-half (8) (6.9))

Step-by-step explanation:

Base of the Pyramid = 8 Inches

Height of the Triangular Face = 6.9 Inches

In any solid shape, the Lateral surface area is the sum of all sides except its top and bottom bases.

Since the four triangles are congruent:

Lateral Surface Area = 4 X Area of One Triangle

Area of a Triangle = \frac{1}{2}$ X Base X Height

Area of one Triangular Face = \dfrac{1}{2}(8)(6.9)

Therefore:

Lateral Surface Area = 4\left(\dfrac{1}{2}(8)(6.9)\right)

Therefore, Talia is correct.

8 0
3 years ago
Which of the following sets of numbers could not represent the three sides of a
TiliK225 [7]
The Second Option I know im right
5 0
3 years ago
Which is the graph of the linear inequality x – 2y > –6?
Whitepunk [10]

Answer:

Graph the inequality by finding the boundary line, then shading the appropriate area.

y < 3 + x/2

Step-by-step explanation:

7 0
4 years ago
What is X? I don't understand at all.
natima [27]
Angle A + Angle B = 180 degrees
180 = (6x -48) + (4x +38)
180 = 10x -10
190 = 10x
x = 19
Angle A = 6x - 48
Angle A = 6 * 19 - 48
Angle A = 115 -48
Angle A = 67 degrees

Angle B = 4x + 38
Angle B = 4*19 + 38
Angle B = 76 + 38
Angle B = 114


4 0
3 years ago
3/4(n+3)=9 how do I find n
katrin [286]
It's one of the ways to count it:

3/4 (n + 3) = 9
3/4n + 3/4 * 3 = 9
3/4n + 9/4 = 9
3/4n + 2 1/4 = 9     / - 2 1/4 (both sides)
3/4n = 6 3/4     / : 3/4 (both sides)
n = 9
8 0
3 years ago
Read 2 more answers
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