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Helen [10]
3 years ago
10

What is the nearest tenth of 3.25

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
7 0
The answer is 3.3 because you round up if the digit next to the place you are rounding to is equal to or greater to 5.
Marat540 [252]3 years ago
7 0

Answer: 3.3


Step-by-step explanation:

3.25 nearest tenth is 3.3 because it ends with 5 and if it is 5 you round to the highest which is 3

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What is the cost of 12.6 gallons of gasoline if the price per gallon is $1.40?
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If

1 gallon = $1.40
12.6 gallons = $1.40 × 12.6

Plug those into your calculator and you'll get $17.64!
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2 years ago
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Simplify a trigonometric expression using basic identities.
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Select the better answer for the definition: Step Function.
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3 years ago
the length of a rectangular garden is 3 m greater than the width. The area of the garden is 70m squared. find the dimensions of
Lerok [7]
A = l x w

so you know that the length is 3m longer than the width, so you could use a formula to represent that

w = l + 3

you then substitute the second equation into the first to solve for l

70 = l x (l +3)
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you could then rearrange the formula and solve for l using the quadratic formula 

0 = l^2 + 3l - 70

l = -3 +- (square root (3)^2 - 4(1)(70)) / 2(1)
l = -3 +- (square root 9 + 280) / 2
l = -3 +- (square root 289) / 2
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then you solve for the two seperate roots

l = -3 + 17 /2
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or 

l = -3 - 17 / 2
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since a length cannot be negative, this root is not viable. therefore l = 7

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w = l + 3
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4 0
3 years ago
The perimeter of a rectangular swimming pool is 446 centimeters. The width of the pool is 7 centimeters less than the length of
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Answer:

length = 115 cm

width = 108 cm

Step-by-step explanation:

The perimeter of a rectangular swimming pool is 446 centimeters

LEt L be the length of the pool

The width of the pool is 7 centimeters less than the length of the pool.

width = length - 7

W= L-7

Given perimeter = 446

Perimeter of rectangle = 2(length)+2(width)

446 = 2(L) + 2(W)                    we know W = L-7

446 = 2(L) + 2(L-7)    

446 = 2L + 2L - 14

Add 14 on both sides

460 = 4L

divide by 4 on both sides

L= 115

Length L= 115

Width W = L - 7 = 115 - 7= 108

5 0
3 years ago
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