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ahrayia [7]
3 years ago
12

Round 1289.48 to the nearest dollar please

Mathematics
2 answers:
Ilya [14]3 years ago
8 0
$1290 or you could use 1289.50
svp [43]3 years ago
5 0

Answer:

$1,289 is your answer.

Step-by-step explanation:

Since the 4 is less than 5, the 9 stays a 9.

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The steps for adding mixed numbers with unlike denominators are very ____________
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Answer:

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Step-by-step explanation:

5 0
2 years ago
In ΔJKL, l = 860 inches, j = 920 inches and ∠K=126°. Find ∠L, to the nearest degree.
fomenos

Answer:

26

Step-by-step explanation:

JKL= ABC,  jkl=abc

1.) use law of sines to find k.

c^{2} =a^{2} +b^{2} -2abCosC    

c=\sqrt{920^{2} +860^{2} -2(920)(860)cos(126) } = 1586.225515

2.) use law of cosines to find L

\frac{a}{sinA} =\frac{b}{sinB} =\frac{c}{sinC}  

plug in for b and c:  \frac{860}{sinB} =\frac{1586.225515}{sin126}

cross multiply: \frac{1586.23sinB}{1586.23} =\frac{860sin126}{1586.23}

sinB= 0.4386227612\\B=sin^-1(0.4386227612)= 26.01604086\\

L=26

5 0
3 years ago
Sam decides to build a square garden. If the area of the garden is 25x2 + 30x + 9 square feet, what is the length of one side of
seropon [69]
The correct answer is C. (5x+3) feet, and here is how I got it.
This is the equation you need to use:
(a+b)^2 = (a+b) (a+b)
So, let us plug in 5x and 3 here:
(5x+3)^2 = (5x+3)(5x+3) = 25x^2 + 15x + 15x + 9 = 25x^2 + 30x + 9 which is the area of the garden. 
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3 years ago
Jared puts dollars in a jar. the following week he puts 2 more dollars in the jar. for each of the following six weeks, Jared co
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Answer:

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3 years ago
Two sides of a triangle have lengths 10 and 30. The third side has a length that is
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Answer:

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Step-by-step explanation:

3 0
2 years ago
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