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3 years ago

6

Jocelyn finds the blueprints for her house in the basement. The kitchen floor measures 12 inches long and 15 inches wide on the

drawing. If the scale of the drawing is 1 inch: 4 ft, what are the dimensions of her actual kitchen floor?

1 answer:

Svetach [21]3 years ago

6 0

Answer:

Step-by-step explanation:

48 ft by 60 ft

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Twice the difference of a number and 8 equals 2

bixtya [17]

Answer:

x=16

Step-by-step explanation:

2(x/8)=2

2x / 16=2

x 16 x 16

2x=32

2x/2= 32/2

x= 16

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2 years ago

PLEASE HELP ILL GIVE 49 POINTS! THANKS!<br><br><br> Show work

NemiM [27]

Answer:

y = -2x+11

Step-by-step explanation:

If we have a slope and a line, we can use the slope intercept form of a line

y-y1 = m(x-x1)

where (x1,y1) is the point and m is the slope.

Substitute in what we know

y-5 = -2 (x-3)

We want it in slope intercept form which is y = mx+b

Distribute the -2

y-5 = -2x+6

Add 5 to each side

y-5+5 = -2x +11

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2 years ago

Read 2 more answers

A car is traveling down a highway at a constant speed, described by the equation LaTeX: d=65td=65t, where represents the distanc

maks197457 [2]

Answer: The car travels 97.5 miles in 1.5 hour.

Step-by-step explanation:

Given: A car is traveling down a highway at a constant speed, described by the equation , described by the equation $d=65t$ , where represents the distance, in miles, that the car travels at this speed in<em> t</em> hours.

To find : Number of miles car travel in 1.5 hour.

Simply put t= 1.5 in the given expression , we get

65(1.5)= 97.5

That means , the car travels 97.5 miles in 1.5 hour.

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3 years ago

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3 years ago

What are the exact solutions of x2 + 5x + 1 = 0? (5 points)

Rus_ich [418]

Answer:

$x=\frac{-5\pm\sqrt{21} }{2}$

Step-by-step explanation:

We use the quadratic formula here which says for a quadratic equation $ax^2+bx+c=0$ .

$x= \frac{-b\pm\sqrt{b^2-4ac} }{2a}$

Now in our case

$a=1\\b=5\\c=1$

so we have:

$x=\frac{-5\pm\sqrt{5^2-4(1)(1)} }{2(1)} =\frac{-5\pm\sqrt{21} }{2}$

$\boxed{x=\frac{-5\pm\sqrt{21} }{2} }$

Which are our solutions.

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3 years ago