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andrezito [222]
3 years ago
14

5+3=4d please help me

Mathematics
2 answers:
ad-work [718]3 years ago
4 0
So the object of this problem is to find out the value of d.

To do this, first think about 5 + 3. This equals 8, right? So the value of d times 4 has to equal 8.

No other number besides 2 would make sense. 2 would equal d because 4 x 2 is 8, and 5 + 3 is 8.

So you would write the answer as:

5+3=4(2)
Ksenya-84 [330]3 years ago
3 0
5 + 3 = 4d

First, add '5 + 3' to get '8'.
8 = 4d

Second, divide both sides by '4', leaving the 'd' by itself.
\frac{8}{4} = d

Third,  (8 ÷ 4), simplify the fraction to '2'.
2 = d

Fourth, you can switch your sides.
d = 2

Answer: \fbox {d = 2}

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exis [7]
The correct answer is:  [C]:  " $4290.00 " .
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Explanation:
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Given:  principal, "P":  equals:  $14,300  ;
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                time, "t" (in years): equals:  4  ;
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What is the interest, "i" ? 
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  Note:  The formula:  i = P * r * t   .
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So, we plug in our given values for "P", "r", and "t", and solve for "i" (interest).
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5 0
3 years ago
Using the following diagram below, please answer the following:
Colt1911 [192]
The radius of the circle is 15 cm,
The diameter of the circle is 30 cm,
The circumference of the circle is 94.248 cm,
The area of the circle is 706.86 cm^2

The radius is given in the diagram as half the circle, which is 15 cm.

The diameter is double the radius because the diameter measures the circle from edge to edge, so 15•2=30 cm.

The circumference of the circle is 2•3.14•r=C,
2•3.14=6.28, 6.28•15= 94.248 cm.

The area of the circle is 3.14•r^2, so the radius squared is 225 (15•15) and 225•3.14=706.86 cm squared :)
7 0
3 years ago
The length of a rectangle is 5 meters less than twice the width. If the area of the rectangle is 273 meters, find the dimensions
AleksandrR [38]

The length of the rectangle = 16 meters

The width of the rectangle = 10.5 meters

<u>Step-by-step explanation</u>:

Given that,

The Area of the rectangle is 273.

<u><em>Step 1</em></u><em> :</em>

Let, the width of the rectangle be 'x'

The length of the rectangle is 2x - 5

<u><em>Step 2</em></u><em> :</em>

Area of the rectangle = length \times width

                             273 = (2x - 5) x

                             273 = 2x^2 - 5x

<u><em>Step 3</em></u><em> :</em>

The equation formed is 2x^2 - 5x -273 = 0

a= coefficient of x^2 = 2

b= coefficient of x = -5

c = constant = -273

Find the roots of the equation, to find the width.

<u><em>Step 4</em></u><em> :</em>

Find the roots using factorizing method,

ac = 2\times-273 = -546 and b= -5

Factorizing -546 as -26\times21

The product of -26\times21 = -546

The sum of -26 + 21 = -5

<u><em>Step 5</em></u><em> :</em>

The roots of the equation 2x^2 - 5x -273 = 0 are x= -26/2 and x= 21/2

The values of x are x= -13 and x= 10.5

Since the width cannot be a negative value, neglect x= -13

<u><em>Step 6</em></u><em> :</em>

Therefore,

The width of the rectangle = 10.5 meters

The length of the rectangle = 2x-5

                                                = 2(10.5) - 5

                                                = 21 - 5

                                    length = 16 meters

5 0
3 years ago
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timofeeve [1]
10x2000= 20,000
2000
X 10
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3 years ago
For the graph shown, select the statement that best represents the given system of equations. Number graph ranging from negative
Bumek [7]
This system of equations is consistent and independent, because there is only one solution. the answer is C
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3 years ago
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