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Anestetic [448]
3 years ago
5

A square picture has a 1-in. frame around it. If the area of the frame alone is 36 in.^2, what is the area of the picture in squ

are inches?
Mathematics
1 answer:
Oliga [24]3 years ago
8 0

Answer:

The area of the picture is

Step-by-step explanation:

Let

x-----> the length side of the square picture

we know that

The area of the picture plus the frame minus the area of the picture is equal to the area of the frame alone

The area of the picture is

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Korolek [52]
To find the slope in the graph you need to find two perfect points on the line then count how many times you went up which is the y over how many times you go right which is the x its called the rise/run. To find the slope in the equation use the formula y2-y1/x2-x1.
7 0
3 years ago
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The sum of two
sergeinik [125]

Answer:

63

Step-by-step explanation:

let the two numbers be x,y (x>y)

Then x+y = 16 and x-y = 2

We know that (x+y)^2 - (x-y)^2 = 4xy

So 4xy = 16^2 - 2^2 => 4xy = (16+2)(16–2)

So xy = 18×14/4 = 63

Product of the numbers = 63

8 0
3 years ago
Segment AB falls on line 2x − 4y = 8. Segment CD falls on line 4x + 2y = 8. What is true about segments AB and CD? They are perp
Alisiya [41]

Answer:

They are perpendicular because they have slopes that are opposite reciprocals of −2 and one half.

Step-by-step explanation:

This is because x = -2 and half of -2 is 1

when we use CD line and x2 we find 8x+4y=16 when added to 2x -4y=8 would equal 10x+4y = 2 1/2 xy = 16

When we use for AB line we see they are perpendicular 2 1/2 x 2 = 5 -4y = 8 shows y to be -2 and the 1/2 line leaves -2 1/2 and x also is 2 1/2.

6 0
3 years ago
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If I have 85 dollars and I have to split it between 7 people, what is the most I can spend on each person?
pashok25 [27]

Each person will get 12 dollars

Step-by-step explanation:

Given

Total amount = 85 dollars

Total people = 7

As it has to be divided among 7 people, the total amount will be divided by 7

So,

Each person will get:

=\frac{85}{7}\\= 12.14

Rounding off to nearest whole number

12 dollars each with 1 dollar remaining

Hence,

Each person will get 12 dollars

Keywords: Dollars, Fractions

Learn more about fractions at:

  • brainly.com/question/4522984
  • brainly.com/question/4550858

#LearnwithBrainly

4 0
2 years ago
What is the equivalent trig ratio to cos 18 ?
Anika [276]

Answer:

\sin{72^\circ}

Step-by-step explanation:

In a right triangle, the two acute angles are complementary--they add up to 90 degrees.

Cosine is defined as the adjacent side divided by the hypotenuse.  In the attached picture,  \cos{18^\circ}=\frac{a}{h}.

The other acute angle is 90 - 18 = 72 degrees.  Looking at just that angle, side <em>a</em> is the opposite side.  So the ratio a/h is opposite over hypotenuse -- the sine ratio.

Therefor, \cos{18^\circ} = \sin{72^\circ}

3 0
3 years ago
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