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uranmaximum [27]
3 years ago
5

Someone please help me I need an explanation/show work please help Its due soon

Mathematics
1 answer:
olganol [36]3 years ago
7 0

Answer:

1) 8y+20

2) 20x-8

Step-by-step explanation:

1) Perimeter= Sum of all sides=2*(2y+4)+3y+9+y+3=8y+20

2) Perimeter=Sum of all sides=4*(5x-2)=20x-8

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Shelby is starting a business selling handmade necklaces. She has decided to invest an initial amount of $172 for advertising, a
8_murik_8 [283]

Answer:

-43 necklaces.

-total expenses=Sales=$473

Step-by-step explanation:

The breakeven point is the point where the sales revenue equals the expenditure.

-The fixed expenses is $172

-Let x be the number of necklaces sold, the breakeven point is expressed as:

Sales= Expenses\\\\11x=7x+172\\\\4x=172\\\\x=43

Hence, Shelby has to sell 43 necklaces to breakeven.

#The expenses at the breakeven point is:

E=7x+172\\\\=7\times43+172\\\\=473

Hence, expenses at breakevent point is $473

#Sales is equal to expenses at this point, hence, sales of $473

4 0
3 years ago
in august 2009 the classified ads for used cars listed a 3 year old cadillac for 24000 and an 11 year old cadillac for 8000. Ass
Eduardwww [97]

Answer:

Step-by-step explanation:

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4 0
3 years ago
What product have the same sign as ( -2 3/7 ) (-6/11) ?
motikmotik

Answer:

1. -7/8

2.-9/14

3. 9/14

4. 7/8

2. what is the product of -2/7 and -3/7?

1. -7/8

2.-6/49

3. 6/49

4. 7/8

How do the expressions 72÷ 9 and -72÷ (-9) compare when they are evaluated?

1. They have different values and are different signs.

2. They have different values but are the same sign.

3. They have the same value but are different signs.

4. They have the same value and the same sign.

Step-by-step explanation:

Multiplying fractions: multiply numerators and multiply denominators

1. 3/4 X -6/7 = -18/28 = -9/14

2. -2/7 X -3/7 = 6/49

3. 4 because 72/9 is 8.  -72/-9 is 8.  Two negatives makes a positive when multiplying and dividing.

7 0
4 years ago
the length of one side of a square field is represented by the expression 3 - 7 x what is an expression for the perimeter of the
iragen [17]
4(3-7x). Since there are 4 sides in a square, you multiply one length by 4 to get the perimeter. 4(3-7x) simplifys to 12-28x.
3 0
3 years ago
How many prices of pie will you have if 4 banana caramel cream pies are sliced into 1/8 servings?
kkurt [141]
4 ÷ 1/8 = 4 x 8 = 32 (Answer D)
8 0
3 years ago
Read 2 more answers
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