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3 years ago

12

What is 10 1/3 x 1/4? that is, what is ten and one third times one fourth?

1 answer:

Phantasy [73]3 years ago

6 0

Answer: 31/12, or 2 7/12

Step-by-step explanation: The answer is actually very simple. All you have to do is to simplify 10 1/3 into 31/3, as 10x3+1=31. Then, you have to multiply 31/3 with 1/4. Do a simple fraction multiplication, and you get 31/12, or 2 7/12 if your teacher is asking for a mixed number. Sometimes simplifying is better

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Answer is A.
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Which parent funtion is f(x)=x^2

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I believe it is C. The quadratic function.

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3 years ago

The perimeter of the semicircle is 25.71 cm. Calculate the value of radius x. Take pi to be 3.142

yan [13]

Answer:

5 cm

Step-by-step explanation:

$Perimeter of semicircle = \frac{1}{2} \times 2\pi \: x +2x\\ 25.71 = 3.14 2\times x+ 2x\\ 25.71 = 5.14 2 x\\ x = \frac{25.71}{5.142} \\ x = 5 \: cm$

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3 years ago

Which ordered pair is a solution

NikAS [45]

Answer:

B) Only (-3, 5)

Step-by-step explanation:

Slot in the options into the equation

(-2, 4),

Compare with (x, y)

x = -2, y =4

y =-3x - 4

4 =( -3 * -2 ) - 4

4 = 6 - 4

This is not true hence, option A is wrong

Using (-3, 5)

x = -3, y= 5

5 = (-3*-3) - 4

5 = 9 - 4

This is correct hence, option B is correct

Option c is wrong because (-2,4) is not a solution to the equation

Option D is wrong because option B is correct

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3 years ago

A wildlife audit was recently conducted in Port Augusta, the results of which were as follows: Amphibians Insects Fish Reptiles

r-ruslan [8.4K]

Answer:

The relative frequency of mammals in the survey is 30%.

Step-by-step explanation:

Relative frequency is the ratio of the occurrence of a singular event and the total number of outcome

Amphibians Insects Fish Reptiles Birds Mammals

12 30 9 25 22 42

Relative frequency = $= \frac{\text{ (number of trials that are successful)}}{\text{(total number of trials)}}$

Total number of wildlife animals = 12+ 30 +9 +25+22+42 = 140

Now the relative frequency of mammals in the survey = $\frac{\text{total number of mammals}}{\text{ Total number of animals}}$

the relative frequency of mammals in the survey = $\frac{42}{140}$ = 0.3

Converting into percentage , we get

= $0.3 \times 100$

= 30 %

5 0

3 years ago