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8090 [49]
3 years ago
5

1. Round $4.678 to the nearest cent a. $5.00 b. $4.70 c.$4.68 d.$4.00

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
8 0
The answer is C, you get this from knowing that a cent is one hundredth of a whole dollar.  if you have .678 you can round this up to the nearest hundredth by seeing if the third decimal point is higher or lower and 5, if it is higher, you add one to the hundredth place, if it is lower, you keep the hundredth where it is.  Since the thousandths place given is 8, you round up.  
Tomtit [17]3 years ago
5 0
The answer you are looking for is C. $4.68
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Masja [62]

Answer:

The length of a rectangular garden is: 13 feet

Step-by-step explanation:

You have 2 lengths that are 2x-3 feet, and 2 widths that are x.

2x-3 + 2x-3 +x +x =42 feet

4x -6 +2x -42 feet

6x -6 = 42 feet

6x = 48 feet

x = 8 feet (so, 2x-3 = 16-3 = 13 feet)

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3 years ago
If the function h is defined by h(x)=<img src="https://tex.z-dn.net/?f=x%5E%7B2%7D" id="TexFormula1" title="x^{2}" alt="x^{2}" a
harkovskaia [24]

Given:

The function is:

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To find:

The value of h(2x+1).

Solution:

We have,

h(x)=x^2-3x+5

Putting x=2x+1, we get

h(2x+1)=(2x+1)^2-3(2x+1)+5

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h(2x+1)=4x^2+4x+1-6x-3+5

On combining like terms, we get

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3 0
3 years ago
Find all the zeroes of the polynomial function f(x)=x^3-5x^2+6x-30 using synthetic division.
WITCHER [35]
Write the coeeficientes of the polynomial in order:

  | 1   - 5   6   - 30
  |
  |
  |
------------------------

After some trials you probe with 5

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   |
   |
5 |        5      0       30
-----------------------------
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Given that the residue is 0, 5 is a root.

The quotient is x^2 + 6 = 0, which does not have a real root.

Therefore, 5 is the only root. You can prove it by solving the polynomial x^2 + 6 = 0.
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3 years ago
One of two complementary angles measures 30 degrees more than three times the other. Find each angle.
Leviafan [203]

The two complementary angles are:

95° and 15°

Step-by-step explanation:

Let x be one angle

then the other angle will be 90-x

As the sum of complementary angles is 90

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then according to statement

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The two complementary angles are:

95° and 15°

Keywords: Angles, triangles

Learn more about angles at:

  • brainly.com/question/573382
  • brainly.com/question/570997

#LearnwithBrainly

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nikitadnepr [17]

Answer:

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Step-by-step explanation:

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