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ddd [48]
2 years ago
12

Can someone help with these? 15 PTS

Mathematics
1 answer:
uranmaximum [27]2 years ago
4 0

Answer: D/3f^2 = e


Step-by-step explanation:

D = 3ef^2

Divide by 3f^2 on both sides.

D/3f^2=e, the first option.



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Solve the proportion 9/12=15/x
Nikolay [14]

Answer:

20

Step-by-step explanation:

3/4=15/x

4/3=x/15

4/3*15=x

X=20

5 0
3 years ago
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Write −2.32 as a mixed number in simplest form.
skelet666 [1.2K]

Answer: -2 8/25

Step-by-step explanation:

-2.32 * 100/100

2.32*100/100

-232/200

Simplest form reduced by:

-58*4/25*4

-58/25

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7 0
3 years ago
A colony of 85 bacteria doubles in size every 126 minutes. What will the population be 378
SVETLANKA909090 [29]

Answer:

680 Bacteria

Step-by-step explanation:

378 is evenly divisible by 126, which is equal to 3.

The first 126 minutes, the 85 bacteria will double to 170 bacteria.

The second 126 minutes (252 minutes total), the 170 bacteria will double to 340 bacteria.

The final 126 minutes (378 minutes total), the 340 bacteria will double to 680 bacteria total.

If this helped, a brainliest would be greatly appreciated!

6 0
2 years ago
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ramon ate at a restaurant and gave the server a $4 tip the tip was 20% of the cost of the meal how much was the meal
Tomtit [17]

Answer:

The meal was $20

Step-by-step explanation:

20%= 1/5

1/5=4/? ---> one converts to four by multiplying it by 4 so you should do the the same with the denominator which is five.

5×4= 20

5 0
2 years ago
Solve the inequalty 2 2/5 < b-8/15
mr_godi [17]

Answer:

b>44

Step-by-step explanation:

12/5<b-8/15

switch sides b-8/15>12/5

multiply both sides by 15  15(b-8)/15>12*15/5

simplify b-8>36

add 8 to both sides b-8+8>36+8

simplify

b>44

4 0
3 years ago
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