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Setler [38]
3 years ago
12

A rectangle has a length of 80 units and a width of 39 units. Find the length of the diagonal.

Mathematics
1 answer:
levacccp [35]3 years ago
6 0
Equation = a² + b² = c²

a = 80
b = 39
c = Diagonal

a² + b² = c²
80² + 39² = c²
6400 + 1521 = c²
   c² = 7921
   c  = √7921
   c  = 89

 Answer = 89 units
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F(-12) if f(x) = 2x + 15
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Answer: f(-12)=-9

Step-by-step explanation:

We have the following function:

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And we have to evaluate it when x=-12, this means we have to substitute x by -12:

f(-12)=2(-12)+15

Solving:

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Finally:

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Ok so what really is 9 10?
alina1380 [7]
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Drag the choices into the boxes to explain how all real numbers have a decimal expansion.
KATRIN_1 [288]

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Step-by-step explanation:

1. The decimal forms of some real numbers, like( ), terminate

A number is terminating if it has decimal with finite number

So, \frac{3}{16}= 0.1875 as decimal stops after 4 digits so it is terminating.

2.  the decimal forms of other real numbers, like( ), do not terminate, but have a repeating pattern.

A number that do not terminate, but have a repeating pattern.

So, 4 \frac{2}{11} =\frac{44}{11}=4.1818181

3. have decimal forms that neither terminate nor repeat

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So, answers will be:

The decimal forms of some real numbers, like( 3/16), terminate, while the decimal forms of other real numbers, like(4 2/11 ), do not terminate, but have a repeating pattern. Still, other real numbers, like(5 squared ), have decimal forms that neither terminate nor repeat.

Keywords: Decimals

Learn more about decimals at:

  • brainly.com/question/10941043
  • brainly.com/question/4390083

#learnwithBrainly

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