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laila [671]
3 years ago
14

A woman put $580 into a savings account for one year. The

Mathematics
1 answer:
amm18123 years ago
3 0

Answer:

$34.80

Step-by-step explanation:

580(1.06)^1

614.8

614.8-580

$34.80

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50 POINTS
Kruka [31]

Answer:

it is to help me out but the answer is 59-=9x67-=7

Step-by-step explanation:

the answer is 7

7 0
2 years ago
Read 2 more answers
Evaluate 9÷3[(20-7)-2^2]
german

Answer:

43

Step-by-step explanation:

You will have to use the PEMDAS rule here. so Parntheses goes first, then exponents, then mutiplicaton or division, and finally addition or subtraction.

20-7= 13

-2^2 = (-2 * -2) = 4

9/3 = 3

so... 13*3 = 39+4 =43

3 0
3 years ago
How much of an alloy with 30% copper must be added to 25 pounds of a second alloy that is 20% copper to create a 27% alloy? 33.8
yuradex [85]

Answer:

58.33 lbs.

Step-by-step explanation:

There are already 25 lbs of alloy of copper

Of this 25 lbs, 20% is pure i.e. copper content = 25(0.5) = 5lbs.

Now available is

Copper      Other metals

5 lbs                20 lbs

Let x lb of 30% copper is added.

Then new alloy will have 5+0.3x lb copper in total of 25+x lbs

Percentage pure = \frac{5+0.3x}{25+x} =27%

Simplify to get

\frac{5+0.3x}{25+x} =\frac{27}{100} \\\\Cross multiply:\\27(25+x) =100(5+0.3x)\\500+30x =675 +27x\\3x = 175\\x = 175/3 = 58.33 lbs

Hence answer is 58.33 lbs should be added.



8 0
3 years ago
Read 2 more answers
Which expression is the simplest form -(4x+y)+2(x-3y)
Verdich [7]

Answer:

- 2x - 7y

Step-by-step explanation:

Given

- (4x + y) + 2(x - 3y)

Distribute both parenthesis, noting that the first is distributed by - 1

= - 4x - y + 2x - 6y ← collect like terms

= (- 4x + 2x) + (- y - 6y )

= - 2x + (- 7y) = - 2x - 7y

3 0
3 years ago
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Which undefined geometric term is described as a two-dimensional set of points that has no beginning or end
sweet [91]
Line is the answer ,,,,
5 0
3 years ago
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