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aev [14]
2 years ago
11

Oop- help me;-; please..

Mathematics
1 answer:
VMariaS [17]2 years ago
6 0
Answer:
5c+4=2(c-5)
opening the parentheses we get:
5c+4=2c-10
putting like terms together we get
5c-2c=-10-4
3c=-14
c=-14/3

so the answer would be A. C = - 4 2/3
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Which of the following symbol make(s) the following mathematical statement true?
Arturiano [62]
3 > 1
(4^0 is one)
3 is greater than 4^0
Pretty simple.
3 0
3 years ago
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Anna has a 25-meter-long fence that she plans to use to enclose a rectangular garden of width w. The fencing will be placed arou
Leviafan [203]
<h3>Answer:   -2w^2 + 25w = 25    or    -2w^2 + 25w - 25 = 0</h3>

================================================================

Explanation:

Refer to the diagram below. The width is w. We have two opposite and parallel sides equal to this. The other two parallel congruent sides are L = 25-2w meters long. We start with the total amount of fencing, and then subtract off the two width values, so 25-w-w = 25-2w.

The area of the rectangle is

Area = length*width

Area = L*W

Area = (25-2w)*w

Area = 25w - 2w^2

Area = -2w^2 + 25w

Set this equal to the desired area (25 square meters) to get

-2w^2 + 25w = 25

and we can subtract 25 from both sides to get everything on one side

-2w^2 + 25w - 25 = 0

side note: The two approximate solutions of this equation are w = 1.0961 and w = 11.4039 (use the quadratic formula or a graphing calculator to find this)

4 0
3 years ago
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How do you convert a fraction to decimal
muminat
To convert a fraction to a decimal, divide the numerator by the denominator (divide the top by the bottom)
7 0
3 years ago
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What is the measure of angle b°?​
Tasya [4]

Answer:

b = 110°

Step-by-step explanation:

The sum of angles in a trapezoid is 360°

Summing the angles we get:

65°+55°+130°=250°

Then subtracting this value from 360° we get:

360°-250°=110°

Final answer of 110°

7 0
2 years ago
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They work-infested $18,000 into accounts, one yielding 4% interest and the other yielding 12%. If he received a total of $1,280
lakkis [162]

Answer:

<u>$11,000</u>

Step-by-step explanation:

Let amount invested for 12% yield be <em>p . </em>Amount for 4% yield is therefore (<em>18000-p)</em>

Interest for 12%:<em> 12% of p=0.12p</em>

Interest for 4%: <em>4% of </em>(<em>18000-p)=0.04(18000-p)=720-0.04p</em>

Total interest:

<em>=0.12p</em> + (<em>720-0.04p)</em>

<em>=0.12p-0.04p+720</em>

<em>=0.08p+720</em>

But we already know the total interest is 1280

Therefore: <em>0.08p+720=1280</em>

<em>0.08p=1280-720</em>

<em>0.08p=560</em>

<em>p=560÷0.08</em>

<em>p=7000</em>

Therefore at 4% the person invested:

(<em>18000-p)</em>

<em>18000-7000</em>

<em>$11,000</em>

3 0
1 year ago
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