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mote1985 [20]
4 years ago
6

What's the numerator for the following rational expression?2/f + 5/f = ?/f

Mathematics
1 answer:
Virty [35]4 years ago
3 0
We have 2/f + 5/f = (2+5)/f = 7/f;
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It costs $3.45 to buy 3/4 lb of chopped walnuts. How much would it cost to purchase 12 lbs of walnuts? Enter the numeric value o
mote1985 [20]

Answer:

$55.20

Step-by-step explanation:

Create a proportion where x is the cost of 12 lbs of walnuts:

\frac{3.45}{0.75} = \frac{x}{12}

Cross multiply and solve for x:

0.75x = 41.4

x = 55.2

So, for 12 lbs of walnuts, it will cost $55.20

8 0
3 years ago
A pot of dolphins contains 800 dolphins of various ages and lengths. The median length of dolphins in this pod is 5.8 feet. What
dusya [7]

Answer: kindly check explanation

Step-by-step explanation:

Given that number of dolphins = 800 with different length and ages

Median length = 5.8 feets

The median may be explained to be a measure of center which gives the information as regards around the middle or midpoint of a dataset. According to the information above, the median length if the 800 dolphins is 5.8 feets, this means the 50th percentile value is 5.8 feets and hence, Half of the dolphins sampled have a length which is greater than 5.8 feets and the other half has a length which is less than 5.8 feets.

3 0
4 years ago
Whats the answer to this?
mars1129 [50]

Answer:

15 degrees

X is an Acute Angle

Step-by-step explanation:

x+ 75 = 90

x =15

4 0
3 years ago
Last Friday, Kira and Marcy got dinner at seaside sushi restaurant. Kira ordered 2 prices of tuna and 5 pieces of crab. Marcy or
olga_2 [115]

Answer: \frac{5}{11}

Step-by-step explanation:

Given

Kira order 2 pieces of tuna and 5 pieces of crab

While Marcy ordered 3 pieces of tuna and 6 pieces of crab

Total tuna ordered =2+3=5 pieces

Total crab ordered=5+6=11 pieces

The ratio of Tuna and crab is   \frac{2+3}{5+6}=\frac{5}{11}

7 0
3 years ago
A diving bell is descending at a rate of 40 m per second. How many meters will it have descended after 15 seconds? Write the cha
ss7ja [257]

Answer:

40x15= x

Step-by-step explanation:

x=400

7 0
3 years ago
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