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Daniel [21]
3 years ago
7

3. 5 points

Mathematics
2 answers:
Andrews [41]3 years ago
7 0

Answer:

Mixture B

Step-by-step explanation:

Nesterboy [21]3 years ago
5 0
The Mixture B is the answer! Hope this helps
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Scientists want to know the total trout population in a part of Lake Michigan. They tagged and released 200 trouts back into the
blondinia [14]
The estimate would be 1200.

We will set up a proportion for this.  10 out of 60 of the sample were tagged, so that is the first ratio.  The 200 that were tagged would be in the numerator of the second ratio (10 was the portion tagged, and 200 is the portion tagged, so they both go on top).  We do not know the total number so we use a variable:

10/60 = x/200

Cross multiply:

10*x = 60*200
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Divide both sides by 10:
10x/10 = 12000/10
x = 1200
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3 years ago
The perimeter of a square is 24.46 inches. What is the side length of the square?
Elina [12.6K]
A≈6.12in
I hope this helps!!!

7 0
3 years ago
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DOES ANYONE KNOW HOW TO DO THIS???
Anna11 [10]

Answer:

Cost of a pound of chocolate chips: $3.5

Cost of a pound of walnuts: $1.25

Step-by-step explanation:

x - cost of a pound of chocolate chips

y - cost of a pound of walnuts

We create two equations based on the information we have:

3x+2y=13

8x+4y=33

The whole point of these problems os to get rid of x or y. In this question, we can do this by multiplying both sides of the first equation by 2, and then subtracting it from the second equation:

8x+4y=33

6x+4y=26

2x=7

x=3.5

Then we change x for 3.5 in the first equation:

3×3.5+2y=13

10.5+2y=13

2y=2.5

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Hope this helps!

4 0
3 years ago
Plz help me with both questions pllllz
stich3 [128]
The differences is 7 because I counted. 
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3 years ago
Select the equivalent expression. 2^-4= <br> Choose 1 answer<br> a)1/2^4<br> b)-2^4<br> c)(-2)^4
Marrrta [24]

Answer: A 1/2 ^4

Step-by-step explanation:

3 0
2 years ago
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