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nordsb [41]
3 years ago
12

What is 7/8+4/7 please help

Mathematics
2 answers:
Alinara [238K]3 years ago
8 0
The answer is 1 25/56 

I hope this helps!
stiv31 [10]3 years ago
6 0
7/8+4/7
49/56+32/56
81/56
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Len [333]
There are 10 tons in 10,000 pounds because a 1,000 pounds makes 1 ton.
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3 years ago
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Which table shows a function whose range has exactly three elements
Rudik [331]
<h2>Answer:</h2>

The table which shows that a function's range has exactly three elements is:

         x      y

         3      8

        4      6

        5      12

        6       8

<h2>Step-by-step explanation:</h2>

<u>Domain of a function--</u>

The domain of a function is the set of all the x-values i.e. the value of the independent variable for which a function is defined.

<u>Range of a function--</u>

It is the set of all the y-value or the values which are obtained by the independent variable i.e. the values obtained by the function in it's defined domain.

a)

     x      y

     1      4

     2      4

     3       4

Domain: {1,2,3}

Range: {4}

Hence, the range has a single element.

b)

     x      y

     3      8

     4      6

     5      12

     6       8

Domain: {3,4,5,6}

Range: {6,8,12}

Hence, the range has three element.

c)

     x      y

     0     5

     2      9

     0      15

This relation is not a function.

because 0 has two images.

0 is mapped to 5 and 0 is mapped to 15.

d)

     x      y

     1      4

     3     2

    5      1  

    3      4

This relation is not a function.

because 3 has two images.

3 is mapped to 2 in the ordered pair (3,2) and 3 is mapped to 4 in the ordered pair (3,4)

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3 years ago
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What is the simplified form of the following expression? 5sqrt 8-sqrt18-2sqrt2
spayn [35]

Answer:

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Step-by-step explanation:

sqrt8 = sqrt4 * sqrt2 = 2 sqrt2

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So simplifying:

5sqrt 8 - sqrt18 - 2 sqrt2

= 5*2sqrt2 - 3 sqrt 2 - 2 sqrt2

= 10 sqrt2 - 5 sqrt2

= 5 sqrt2 (answer).

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Which of the following 95% confidence intervals would lead us to reject Hp =0.30 in favor of
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The correct answer is letter C
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