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scoray [572]
3 years ago
13

A frame holds a picture that is 15in long and x in wide. The frame border is 3in wide around the picture. What expression repres

ents the area of the frame border?
Mathematics
1 answer:
allsm [11]3 years ago
4 0

Answer:6x+126in^2

Step-by-step explanation:

a =15 long

b=x. Wide

A=ax

A=15x represenrs picture area

Add on each side of picture 3 in

a1=15+6=21 in

b1=x+6

Calculate area

A1=a1b1

A1=21(x+6)

Area of frame = A1-A

Area of frame=21(x+6)-15x=21x-15x+126=6x+126in^2

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Are the two triangles below similar?
sammy [17]

Answer:

C

Step-by-step explanation:

Yes <em>because</em><em> </em><em>there</em><em> </em><em>are</em><em> </em><em>two</em><em> </em><em>pairs</em><em> </em><em>of</em><em> </em><em>congruent</em><em> </em><em>corresponding</em><em> </em><em>angles</em><em>.</em>

3 0
3 years ago
Raoul has to finish of 473-Page book in a week he decided to read the same number of pages each weekday and 30 extra pages on Sa
kolezko [41]

Answer: he read 59 pages on Wednesday

Step-by-step explanation:

Total number of pages in the book is 473 and Raoul has to finish in a week.

The total number of days in a week is 7.

Let x represent the number of pages that he read I'm each day of the week. He decided to read 30 extra pages on Saturday and on Sunday. This means that sum of pages that he read on Saturday is

x + 30 and sum of pages that he read on Saturday is x + 30.

Total number of pages that he read on each of the other five days is 5x

Total number of pages read in the week would be

5x + x + 30 + x + 30 = 7x + 60

Therefore

7x + 60 = 473

7x = 473 - 60 = 413

x = 413/7 = 59

5 0
3 years ago
The quotient of 9 times an unknown number and 16 is 81.
lys-0071 [83]
Represent the unknown number with x
9x / 16 = 81
Multiply both sides by 16
9x = 1296
Divide both sides by 9
x = 144
5 0
3 years ago
Write the equation in slope-intercept form.<br> y - 6 = -2x
ser-zykov [4K]

Answer: y=-2x+6

Step-by-step explanation:

To write the equation in slope-intercept form, you want to solve for y.

y-6=-2x                 [add both sides by 6]

y=-2x+6

Now, we have the equation in slope-intercept form.

8 0
4 years ago
Read 2 more answers
There are (4^9)^5 ⋅ 4^0 books at the library. What is the total number of books at the library?
Sidana [21]
(4^9)^5 \cdot 4^0=4^{9*5} \cdot 1=4^{45}
3 0
4 years ago
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