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Kobotan [32]
3 years ago
14

Adams has 2 types of rice package, rice in the first type of package costs $2 per pound and rice in the second type costs $5 per

pound. If he wishes to make a mixture of 50 pounds rice package that costs $3 per pound, how many pounds of each type of rice should be mixed?
Mathematics
1 answer:
Nookie1986 [14]3 years ago
5 0
The answer is 150 , I know that because you have to times ot
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Literally the last question pls get it right
Anna11 [10]
-1 or option c is correct. Use the given functions to set up and simplify f(−2).
5 0
2 years ago
Read 2 more answers
8. A triangle has sides with lengths of 6, 8, and 10 units, and a square has a
svet-max [94.6K]

Difference between the area of the triangle and square is 25

Step-by-step explanation:

  • Step 1: Find the area of the triangle given its 3 sides using the Heron's formula.

Area of the triangle = \sqrt{s (s-a)(s-b)(s-c)} where s = \frac{a + b + c}{2}

⇒ s = (6 + 8 + 10)/2 = 24/2 = 12

\sqrt{s(s-a)(s-b)(s-c)} = \sqrt{12(12-6)(12-8)(12-10)}

                                    = \sqrt{12(6)(4)(2)} = \sqrt{576} = 24 sq. units

  • Step 2: Find the area of the square with perimeter = 28 units.

Perimeter of the square = 4 × side = 28

⇒ Side of the square = 28/4 = 7 units

⇒ Area of the square = (side)² = 7² = 49 sq. units

  • Step 3: Find the difference between the area of the square and triangle.

Difference = 49 - 24 = 25

8 0
2 years ago
Noah and Lin are each trying to solve the equation x² - 6x + 10 = 0. They know that the solutions to x² = - 1 are i and -i, but
Leviafan [203]

Answer:

Solving the equation x^2 - 6x + 10 = 0 we get x=3+i \ , \ x=3-i

Step-by-step explanation:

Noah's step to solve the equation x^2 - 6x + 10 = 0 are:

x^2 - 6x + 10 = 0\\x^2 - 6x = -10\\x^2 - 6x + 9 = -10 + 9\\(x-3)^2 = -1

The next step is to take square root on both sides because: \sqrt{x^2}=x

\sqrt{(x-3)^2}=\sqrt{-1}  \\x-3=\pm\sqrt{-1} \\x=\pm(\sqrt{-1})+3 \\

Now, we know that: \sqrt{-1}=i

x=\pm(i)+3\\x=3+i \ , \ x=3-i

So, Solving the equation x^2 - 6x + 10 = 0 we get x=3+i \ , \ x=3-i

8 0
3 years ago
Aaliyah is starting her own lawn mowing business. Aaliyah has calculated that she needs to earn $721 per week to support her fam
Roman55 [17]

Answer:She will have to charge her customers at least 21 dollars an hour to help her family.

Step-by-step explanation:

7 0
3 years ago
What is the area of a triangle with a height of 2.9 cm and a base of 7 cm​
allsm [11]

Answer:

area=10.15 cm

Step-by-step explanation:

a=h*b/2

a= 2.9*7/2

a= 10.15

6 0
3 years ago
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