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Soloha48 [4]
3 years ago
8

adam bought a box of fruit that weighed six and three eights if he brought asecond box that weighed 7and two fifth kilograms wha

t is the combined weight of both boxes
Mathematics
1 answer:
-Dominant- [34]3 years ago
3 0
6 and 3/8

7 and 2/5
combine

you can just add the whole numbers
6+7=13

then add the confusing ones
3/8 +2/5
convert the bottom number to the same number

the number is 40
multiply 3/8 by 5/5=15/40
multiply 2/5 by 8/8=16/40

add
15/40+16/40=31/40
the naswer is 13 and 31/40
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The definition is pretty simple:

(f+g)(x) = f(x)+g(x)

So, we only have to sum the expressions:

f(x)+g(x) = 2x+4 - \dfrac{1}{5}x-3 = \dfrac{9}{5}x+1

5 0
3 years ago
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djverab [1.8K]

Answer:

p=30 q=150

Step-by-step explanation:

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2 years ago
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Damm [24]

Answer:

x = \frac{1}{2}

x = -\frac{5}{2}

Step-by-step explanation:

Solve Using the Quadratic Formula

     4x^2 + 8x − 5 = 0

Use the quadratic formula to find the solutions.

    −b ± √b^2 − 4 (ac)

     -------------------------

               2a

Substitute the values a = 4, b = 8, and c = −5 into the quadratic formula and solve for x.

    −8 ± √82 − 4 ⋅ (4 ⋅ −5)

     -------------------------

              2 ⋅ 4

Simplify the numerator.

Raise 8 to the p ower of 2.

     −8 ± √64 − 4 ⋅ 4 ⋅ −5

x=     ---------------------------

               2 ⋅ 4

Multiply −4 by 4.

        −8 ± √64 − 16 ⋅ −5

x =       -------------------------

                2 ⋅ 4

Multiply −16 by −5.

        −8 ± √64 + 80

x =       -------------------

               2 ⋅ 4

Add 64 and 80.

        −8 ± √144

x =        --------------

             2 ⋅ 4

Rewrite 144 as 12^2.

        −8 ± √122

x =       ------------

            2 ⋅ 4

Pull terms out from under the radical, assuming positive real numbers.

multiply 2 by 4          

        −8 ± 12

x=     ------------

            8

simplify

    −2 ± 3

x=   ---------

        2

The final answer is the combination of both solutions.

x= 1/2, -5/2

Hope this helped!

6 0
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Answer:

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Answer:

1/4 of the answer

Step-by-step explanation:

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