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Contact [7]
2 years ago
14

ariana's 150g bag of trail mix is x% raisins. brandon's 250g bag of trail mix is y% raisins. they combine the two mixes together

in one bowl. *write an expression that shows the concentration of raisins in the resulting mix.
Mathematics
1 answer:
Tema [17]2 years ago
7 0

Answer:

(3x+5y)/8

Step-by-step explanation:

The total amount is 150+250=400

We then do (3x+5y)/2 × 1/400

This equals (3x+5y)/800

We multiply that  by 100 giving us the final answer.

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Solve the system using the substitution method 4x+y=10 <br> y=5x+1
lions [1.4K]
4x+5x+1=10 —> 9x=9 —> x=1 :) hope i could help!
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3 years ago
Find the rational number whose decimal expansion is 0.3344444
Eddi Din [679]
Answer: The fraction 301/900
Note: I'm assuming the 4's continue on forever

==============================================

Work Shown:

I'm going to assume that the 4s go on forever. I'll represent this with three dots after the last 4 like so
0.334444...

Now let x = 0.334444...

Multiply both sides by 100
x = 0.334444...
100x = 100*(0.334444...)
100x = 33.444444...

And repeat with 1000
x = 0.334444...
1000x = 1000*(0.334444...)
1000x = 334.444444...

Then subtract and solve for x. Notice how the decimal parts line up and cancel
1000x-100x = (334.444444...) - (33.444444...)
1000x-100x = (334+0.444444...) - (33+0.444444...)
1000x-100x = 334+0.444444... - 33 - 0.444444...
1000x-100x = (334-33)+(0.444444... - 0.444444...)
900x = 334 - 33
900x = 301
x = 301/900
6 0
3 years ago
Describe the effect an increase in n, the number of payment periods, has on the monthly payment P in the formula 2007-11-02-00-0
Gemiola [76]
I took the test, it is <span>c. An increase in n, the number of payment periods, will create a decrease in P, the monthly payment.</span>
8 0
3 years ago
Read 2 more answers
#3 i
klasskru [66]

Answer:

77.74 square feet

Step-by-step explanation:

1. We have to keep the triangle and the rectangle apart and find the area of each separately then add the areas together.

The formula for the area of a rectangle is height x width = area

So, 6.5 feet x 10.4 feet = 67.6 feet squared

The formula for the area of a triangle is height x width x (1/2) = area

So, 5.2 feet x 3.9 feet x (1/2) = 10.14 feet squared

Now, add the two areas together.

10.14 square feet + 67.6 square feet = 77.74 square feet

3 0
2 years ago
Simplify 4(x-y)-8(-7x+6y)
aliya0001 [1]
The answer is 60x-52y

Hope that helped!
8 0
3 years ago
Read 2 more answers
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