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gladu [14]
3 years ago
13

The most accurate estimation of 5+4

Mathematics
2 answers:
NeTakaya3 years ago
8 0
The most accurate estimation is 9.
Levart [38]3 years ago
4 0
The most accurate estimate is 9 .
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How do you do 4x - 9 = 6x - 13? what do you subtract from both sides?
ohaa [14]
To start, you need to subtract 4x from both sides, that way, x is one one sid of the equation.

8 0
3 years ago
Read 2 more answers
Write a simplified polynomial expression in standard form to represent the area of the rectangle below.
Burka [1]
Area of Rectangle = length times width
lets say length = 2x-4
width = x+5

Note: you can switch these around, width could be 2x-4 and length could be x+5, it doesnt matter.

With that being said:
length * width = area
(2x-4)(x+5)=area
FOIL (First Outer Inner Last)
2x^{2}+10x-4x-20=area
Simplify:
x^{2}+6x-20=area
3 0
3 years ago
A=8 square root of 3<br> B=16<br> C=12<br> D=8
gulaghasi [49]

Step-by-step explanation:

8√383 by √3√333.

8√3⋅√3√383⋅33

Combine and simplify the denominator.

Tap for more steps...

8√33833

The result can be shown in multiple forms.

Exact Form:

8√33833

Decimal Form:

4.61880215

4 0
3 years ago
Read 2 more answers
Divide 72 in a ratio of 1:3:5
likoan [24]
<span>1+3+5 = 9

72/9 = 8

1 x 8 = 8
3 x 8 = 24
5 x 8 = 40

</span><span>72 in a ratio of 1:3:5 = 8:24:40</span>
6 0
3 years ago
A bookmark is shaped like a rectangle with a semicircle attached at both ends. The rectangle is 17 cm
maria [59]

Answer:

80.56

Step-by-step explanation:

To find the rectangle area you just multiply its length by its width:

17 * 4 = 68

You have to sum two semicircles on top of that. Since it is 2 semicircles you can just calculate one circle. Using the circle area formula:  \pi*r^2

Since the radius (r) is 2 and \pi is 3.14, you have the following equation:

A = 3.14 * 2² ==>      A = 3.14 * 4   ==>   A = 12.56     <em>(A is Area)</em>

Sum the rectangle's area with the circle's area:

12.56 + 68 = 80.56

And vuoila! there's your answer.

7 0
3 years ago
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