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Elan Coil [88]
3 years ago
7

Solve the following:

Mathematics
2 answers:
Rom4ik [11]3 years ago
3 0

Answer:

C

Step-by-step explanation:

2 4/5-1 2/5

4/5-2/5=2/5

2-1=1

1+2/5

Therefore, 2 4/5-1 2/5 is equal to 1 2/5

goldenfox [79]3 years ago
3 0
1.4 is the answer
Cant explain needed 20 letters
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If f(x) = 1/x + 2/x ,<br> then f<br> (1/3) =
BlackZzzverrR [31]

Answer:

f(1/3) = 9

Step-by-step explanation:

f(x) = 1/x + 2/x

f(1/3) = 1/(1/3) + 2/(1/3)

f(1/3) = 1(3) + 2(3)

f(1/3) = 3 + 6

f(1/3) = 9

8 0
4 years ago
Two towns are 80km apart. Sylvia wants to drive from one town to the other in exactly one hour. For the first 30minutes she driv
Varvara68 [4.7K]

Answer:

100 km/hr

Step-by-step explanation:

First Leg:

Speed = 60 km/h

Time = 30 min = 0.5 h

1st leg distance = speed x time = 60 km/hr x 0.5hr = 30 km

Second Leg:

Distance remaining = 80 km - 30 km = 50 km

Time = 30 min = 0.5 h

speed = distance / time = 50 / 0.5 = 100 km/hr

5 0
4 years ago
Plz help!! Which of the following is not equivalent to the ratio 12/4 A. 6/2 B. 36/12 C. 24/16 D. 240/80
forsale [732]
It would be C because if you multiply each number of 6/2 by two you get 12/4. with B you divide by 3 to get 12/4. with D you divide by 20 to get 12/4. With C it isn't possible to get 12/4. So I would go with C 
8 0
3 years ago
What is the maximum number of relative extremes contained in the graph of this function f(x)=3x^4-x^2+4x-2
melamori03 [73]

Answer:

Maximum number of relative extremes contained in the graph of this function = 3.

Step-by-step explanation:

We have been given function f\left(x\right)=3x^4-x^2+4x-2.

Now we need to find about what is the maximum number of relative extremes contained in the graph of the given function f\left(x\right)=3x^4-x^2+4x-2.

Degree of the given function = 4.

Because degree is the highest power of variable.

Then relative number of extrema = degree - 1 = 4 - 1 = 3

Hence final answer is 3.

8 0
3 years ago
A wallet is originally $11.00. With a 40% discount, what is the sales price?
Leviafan [203]

Answer:

$6.60

Step-by-step explanation:

11 x .40 = 4.4

11 - 4.4 = 6.6

6 0
3 years ago
Read 2 more answers
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