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Gre4nikov [31]
3 years ago
15

John did an experiment pulling marbles out of a bag, without knowing the contents of the bag. After performing

Mathematics
1 answer:
Lorico [155]3 years ago
4 0

Answer:

300

Step-by-step explanation:

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Q<br> (x + 40)<br> (3x – 20)<br> R<br> S<br> Find m
xz_007 [3.2K]

Answer:

30

Step-by-step explanation:

1. x + 40 = 3x - 20

2. 40 = 2x - 20

3. 60 = 2x

4. 30 = x

5 0
3 years ago
The scientists at ChemEx Research use chemical storage tanks.
statuscvo [17]

Answer:

395149.22 cubic inches.

Step-by-step explanation:

The volume of a tank with length (L), width (W) and height (H) is given by

V = LWH ........ (1)

Now, the interior dimensions of a tank are 82.5 inches long, 58.5  inches wide, and 81.875 inches tall.

So, L = 82.5 inches, W = 58.5 inches and H = 81.875 inches.

Therefore, V = (82.5 × 58.5 × 81.875) = 395149.22 cubic inches.

Hence, the approximate volume of the tank is 395149.22 cubic inches. (Answer)

5 0
3 years ago
I don’t get this question 12
tankabanditka [31]

Answer:

209.5 grams are protein

Step-by-step explanation:

Protein is 25 % or .25

We have 838 grams of peanut butter

25% of it is protein.  Multiply the grams by the percent that is protein to determine how many grams are protein

grams protein = total grams times percent protein

                         =838*.25

                         = 209.5 g

6 0
4 years ago
A toy that originally sold for 12 dollars went of sale for 8 dollars what was the percent discount? Remember to show your work!
harkovskaia [24]
12———-100%
8 ———— x
X=(8*100)/12=800/12=66.66%
Then discount percent is 100-66.66=33.33%
3 0
3 years ago
What is 82% as a fraction
Mashutka [201]
 your answer is 41/50
3 0
3 years ago
Read 2 more answers
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