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Helen [10]
3 years ago
13

Can someone please help me

Mathematics
1 answer:
Alexeev081 [22]3 years ago
5 0
Hope this helps. if you do not understand, can ask :)

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Salina’s age is one-quarter the age of her aunt. If a represents her aunt’s age, which expression represents Salina’s age?
ch4aika [34]
Salina is 1/4 of age of unt
s=1/4 times a
s=a/4
6 0
3 years ago
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A library building is in the shape of a rectangle. Its floor has a length of (3x + 5) meters and a width of (5x − 1) meters. The
AleksAgata [21]
The problem says that the expression (3x + 5)(5x − 1) <span>represents the area of the floor of the building in square meters. Therefore,  to solve this problem you have to follow the proccedure shown below.

 1. First, to simplify the expression (3x + 5)(5x − 1) you must apply the distributive property. Then, you obtain:

 15x</span>²-3x+25x-5

 2. Then, you have:

 15x²+22x-5

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7 0
2 years ago
What is the value if the expression 6+18÷3×4
Liula [17]
In the order of PEMDAS
the first thing you would do is divide 18/3 = 6
then multiply 6 x 4 = 24
then add 24 + 6 = 30
8 0
3 years ago
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Convert 750ft to metre
Angelina_Jolie [31]
One meter is composed of approximately 3.28 feet. To convert a certain measure in feet to meter, divide the number by 3.28. From the given above, using dimensional analysis and the conversion factor,
 
                      (750 ft) x (1 m/ 3.28 ft) = 228.66 m

Thus, 750 ft is approximately 228.66 in meters. 

6 0
3 years ago
Emily buys a toaster for 10%off if she pays 36 then what was the original price
PtichkaEL [24]
x-0.1x=36

where x is the original price
0.1x is the discount (10% of the original price)
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x-0.1x=36
0.9x=36
-----   ----
0.9     0.9
x=40

The original price is $40.00

7 0
3 years ago
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