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labwork [276]
3 years ago
12

A ribbon is 1.28 meters long. A rope is 2.34 meters longer than the ribbon. How long

Mathematics
1 answer:
satela [25.4K]3 years ago
5 0

Answer:

4.02m

Step-by-step explanation:

carry  1   1  

1 . 2 8

+  2 . 7 4

 4 . 0 2

just add the two given numbers

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What's 1/2 in simplest form?
nalin [4]
1/2 in simplest form is 1/2. you cant go any lower than that.
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3 years ago
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Find the difference of functions at x= - 3, (g - f)(-3), given f(x) and g(x): g(x) = x^2−15, and f(x) =2x
FrozenT [24]

Answer:

0

Step-by-step explanation:

Solution:-

We are given two functions as follows:

                      f ( x ) = x^2 - 15\\\\g ( x ) = 2x

We need to determine the composite function defined as ( g - f ) ( x ). To determine this function we need to make sure that both function exist for all real positive value of x.

The function f ( x ) is a quadratic function which has real values for all values of x. Similarly, function g ( x ) is a linear line that starts from the origin. Hence, both functions are defined over the domain ( -∞, ∞ )

We will perform arithmetic operation of subtracting function f ( x ) from g ( x ) as follows:

                       [ g - f ] ( x ) = g ( x ) - f ( x )\\\\\\( g - f ) ( x ) = x^2 - 15 - 2x\\\\

Now evaluate the above determined function at x = -3 as follows:

                       ( g - f ) ( -3 ) = ( -3 )^2 - 2 ( -3 ) - 15\\\\( g - f ) ( -3 ) = 9 + 6 - 15\\\\( g - f ) ( -3 ) = 0

3 0
3 years ago
Which equation shows a valid, practical step in solving,<br> Someone please help
IRISSAK [1]

Answer:

Answer: Is third one

hope it help you

Thank u

8 0
2 years ago
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Plz help me with this geometry question
Semmy [17]

Step-by-step explanation:

it's a square so

AB=BC=CD=DA

BC=15

AC=

{ac}^{2}  =  {15}^{2}  +  {15}^{2}  \\ ac =  \sqrt{450}  = 21.21 = 21.2

ED = AC/2= 10.6

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3 0
3 years ago
Calculate the sum of the infinite series 98+84+72+432/7+...
bogdanovich [222]
ANSWER

S_\infty= 686


EXPLANATION

The given infinite series is

98 + 84 + 72 +  \frac{432}{7}  + ...

The sum to infinity of this series is given by the formula,

S_\infty= \frac{a_1}{1 - r}

where the first term of this infinite geometric series is

a_1 = 98


and the common ratio is
r =  \frac{a_2}{a_1}


r =  \frac{72}{98}  =  \frac{6}{7}


We substitute these values to obtain,


S_\infty= \frac{98}{1 -  \frac{6}{7} }

We simplify the denominator to get,


S_\infty= \frac{98}{\frac{1}{7} }


This simplifies to

S_\infty= 98 \times 7 = 686
6 0
3 years ago
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