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ankoles [38]
3 years ago
15

Solve for zzz: -0.25z = -1.25−0.25z=−1.25minus, 0, point, 25, z, equals, minus, 1, point, 25 z =\,z=z, equals

Mathematics
2 answers:
zheka24 [161]3 years ago
8 0
Ya it is harder to read like that
tia_tia [17]3 years ago
7 0

i need an actual equation, no one is going to do any with that

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10r-5r+3r-8r how do I do this???????????????
faltersainse [42]
If they all have the same variable it will be much easier to solve cause they’re all like terms. so you just take 10-5 which is 5 plus 3 which is 8 and 8 minus 8 is 0.
4 0
3 years ago
Write 1.888... as a mixed number
Leokris [45]

Answer:

Step-by-step explanation:

The answer is 1-4/5

3 0
3 years ago
Salma purchased a prepaid phone card for $15 Long distance calls cost 6 cents a minute using this card. Salma used her card only
Fiesta28 [93]

Answer:

m=17

Step-by-step explanation:

$15 minus $0.14(# minutes) = $12.62

 

15 - .14m = 12.62

 

.14m = 15 - 12.62

 

.14m = 2.38

 

m = 2.38/.14

 

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6 0
3 years ago
a garden pond is in the shape of a rectangle that measures 5 m by 3 m. a stone path is built all around the pond. this path is t
Inessa [10]

Answer:

<u>1.16 m (approximately)</u>

Step-by-step explanation:

Let x be the width of the path.

Total area  = (5+2x)(3+2x) = 39

Expand and simplify

4x²+ 16x+15-39 = 0

4x² + 16x - 24 = 0

Simplify

x² + 4x -6 = 0

Rational factoring does not work, so use quadratic formula

x = +/- sqrt(10) -2

= 1.16 or -5.16 (reject)

= <u>1.16 m (approximately)</u>

4 0
3 years ago
Write 0.003 as the product of a whole number and a power of 10
Arte-miy333 [17]

3 × 10^{-3}

expressing as a whole number, using the digits available, we obtain

3

Now consider the position of the decimal point in the original 0.003

To get it back to where it should be we require to move the decimal point 3 places to the left , denoted by a negative exponent

0.003 = 3 ×  10^{-3}


8 0
3 years ago
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