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frosja888 [35]
3 years ago
12

What's perimeter and area?

Mathematics
1 answer:
aleksklad [387]3 years ago
3 0
Perimeter is the boundary/outline/ surrounding 
For example if you measure around your house that would be the perimeter.
Area is the size of something.
Like if you wanted to know the amount of space in a box.
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I need help explanation if possible
viva [34]

Answer:

y = 16.

Step-by-step explanation:

The ratio of corresponding sides of similar triangles are the same.

The small and large triangles are similar ( - that is corresponding angles are congruent).

So 2/(2+8) = x / 20

2/10 = x/20

10x = 40

x = 4.

Therefore y = 20 -4 = 16.

3 0
2 years ago
Rewrite each expression below using the distributive property then evaluate each expression for X equals two and Y equals five.
Anit [1.1K]
A)8*2-4            b)6*5+2+24*5                c)7*2(5-2)                  d)3(9+5)
  12                      30+2+120                     14*3                             3*14
                            152                                  42                              42
i hope it helps

4 0
3 years ago
Which of the following representations are functions?
allsm [11]

Answer: A and B only

Step-by-step explanation:

In function, for one value of x there must be only one value of y.

4 0
3 years ago
wyatt has (2x-1) one-dollar bills and (4x + 2) five dollar bills. Susan has 3 x dollars more than Wyatt. Find the total amount o
uysha [10]

Answer:

a) $ 22x -9

b) 44x - 18

c) $319

Step-by-step explanation:

Given that,

number of $1 bills wyatt has = (2x-1)

number of $5 bills wyatt has = (4x + 2)

The total amount of money that Wyatt has in terms of x

(2x - 1) + 5(4x + 2)

= 2x - 1 + 20x + 10

= $ 22x -9

The number of pens that Wyatt can buy if each pen costs 50 cents

$(22x - 9) * 100

= 2200x - 900 cents / 50

= 44x - 18

If x = 21, amount of money Susan will have now if Wyatt gives her half the number of five dollar bills that he has

( 5 (4x + 2) / 2) + ( 2 (21) - 1)

= 215 + 41

= 256

As we know that Susan has $3x more than Wyatt

So,

256 + 3x

= 256 + 3(21)

= $319

5 0
3 years ago
Read 2 more answers
BillieÍs monthly cell phone bill includes the cost of cell phone service, 15% tax on the cost of the cell phone service, and a $
dem82 [27]
X - <span>the cost of cell phone service before tax is added

</span>x+15\%x+9.25=61&#10;\\x+ 0.15x=61-9.25&#10;\\1.15x=51.75&#10;\\x= \frac{51.75}{1.15}&#10;\\x= 45<span>
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6 0
3 years ago
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