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gulaghasi [49]
11 months ago
10

Translate this phrase into an algebraic expression 23 more than twice a number use the variable n to represent the unknown numbe

r
Mathematics
1 answer:
Anna71 [15]11 months ago
5 0

In general, 23 more than a number is written as

x+23

In our case, x is 'twice a number'; thus,

x=2*n=2n

Finally, the whole expression is

2n+23<h2>The answer is 2n+23</h2>

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Answer:

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3 years ago
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The area of a rectangle is 14 m2 , and the length of the rectangle is 3 m less than double the width. find the dimensions of the
muminat
Width =3.5, length = 4

Let's make a few equations to summarize what we know.:
a = 14
l = 2w -3
a = wl

Now let's substitute the expression for l into the expression for area and solve.
a = w(2w - 3)
a = 2w^2 - 3w
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0 = 2w^2 - 3w - 14

which factors into
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Solving for w
2w - 7 = 0
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Let's verify
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l = 2w - 3
l = 2*3.5 - 3
l = 7 - 3
l = 4
a = wl
a = 3.5 * 4
a = 14

So the width is 3.5 and the length is 4.

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Answer:

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Divide by 28 on both sides

H = 2

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