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3 years ago

NEED HELP NOW 100 POINTS WILL MARK BRAINLIEST ANSWER!! NEED HELP QUICK..

Mathematics

2 answers:

Taya2010 [7]3 years ago

7 0

Hello!

1) the one you picked

2) line 2

3) frightened

4) line 4

5) A

I don't know the rest sorry, I apologize :\

gavmur [86]3 years ago

5 0

Answer:

1 right one is what u picked

2 B

3 frightened

4 D

5 A

Step-by-step explanation:

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A rectangular room measures 15 feet by 18 feet. It is going to be carpeted with carpeting that sells for $38 per square foot.

dusya [7]

Answer:

a. 270 square feet

b. 3.75 inches by 4.5 inches

c. $10,260

Step-by-step explanation:

A rectangular room measures 15 feet by 18 feet. It is going to be carpeted with carpeting that sells for $38 per square foot.

a. What is the area of the room in square feet?

Area of a rectangular room = Length × Width

Length = 15 feet

Width = 18 feet

Area of the room = 15 feet × 18 feet

= 270 square feet

b. If the room is drawn to 1/4 inch represents 1 foot scale, give the dimension of the room in inches on the scale drawing. Please write in decimal form to the nearest hundredth.

From the above question:

1/4 inch = 1 foot

Length = 15 feet

Hence:

1 foot = 1/4 inch

15 feet = x inch

Cross Multiply

x = 15 × 1/4 inch

x = 3.75 inches

For the Width = 18 feet

Hence:

1 foot = 1/4 inch

18 feet = x inch

Cross Multiply

x = 18 × 1/4 inch

x = 4.5 inches

Therefore, the dimensions of the room in inches is

3.75 inches by 4.5 inches

c. What is the total price for the carpeting? _

From the above question, we know that: A square foot of carpet is sold for $38

The area of the room is 270 square feet

Hence:

1 ft² = $38

270 ft² = $x

Cross Multiply

1ft² × $x = 270 ft² × $38

$x = 270 ft² × $38/ 1 ft²

$x = $10,260

Therefore, the total price for the carpeting of the room is $10,260.

6 0

3 years ago

5/4 divide by 10/3 =

antoniya [11.8K]

Answer:

0.375

Step-by-step explanation:

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Jet001 [13]

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3 years ago

Find the distance between the points. Write<br> your answer in simplest form.<br> (-2,0), (-1,-1)

bixtya [17]

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3 years ago

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The vertices of an isosceles triangle are A (-10, 1), B (-6, 3) and C (-4, 7).

adelina 88 [10]

check the picture below.

so, those are the points, now, the line of symmetry, the red one, is the line that will cut the vertex is half and will be perpendicular to the opposite side.

now, the slope of the black line we can just get it off the grid, notice the rise and run, rise/run = 6/6 = 1.

now a perpendicular line to that one will have a negative reciprocal slope, thus

$\bf \stackrel{\textit{perpendicular lines have \underline{negative reciprocal} slopes}} {\stackrel{slope}{1\implies \cfrac{1}{1}}\qquad \qquad \qquad \stackrel{reciprocal}{\cfrac{1}{1}}\qquad \stackrel{negative~reciprocal}{-\cfrac{1}{1}\implies -1}}$

so the slope of that perpendicular line will be -1, so we're really looking for the equation of a line whose slope is -1 and runs through -6,3.

$\bf (\stackrel{x_1}{-6}~,~\stackrel{y_1}{3})\qquad \qquad \qquad slope = m\implies -1 \\\\\\ \stackrel{\textit{point-slope form}}{y- y_1= m(x- x_1)}\implies y-3=-1[x-(-6)] \\\\\\ y-3=-1(x+6)\implies y-3=-x-6\implies y=-x-3$

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3 years ago