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horsena [70]
3 years ago
12

A black racer snake travels 4.6 km in 2 hours. What is the speed in​ km/h?​

Mathematics
2 answers:
sergejj [24]3 years ago
8 0

Answer:2.4km/hr

Step-by-step explanation:

Speed = distance/time

Speed =4.6/2

Speed=2.3km/hr

SashulF [63]3 years ago
4 0

Answer:

Step-by-step explanation:

All you need do is divide by 2.

speed in km/hour = 4.6 km / 2 hours = 2.3 km/hour

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Richard is given one of four pieces of equal-sized fabric. After using some of his fabric for a project, he has 5/6 of a square
ValentinkaMS [17]

Answer:

Richard used 2\frac{1}{12}\ yd ^2 of fabric for his project.

Step-by-step explanation:

Given:

Total amount of fabric = 11\frac23\ yd^2

Now To convert a mixed fraction to an improper fraction, Multiply the whole number part by the fraction's denominator,  Add that to the numerator,Then write the result on top of the denominator.

11\frac23\ yd^2 can be Rewritten as \frac{35}{3}\ yd^2

Number of pieces fabric was cut = 4

Richard is given one of four pieces of equal-sized fabric.

Amount of fabric Richard was given = \frac14 \times \frac{35}{3}=\frac{35}{12}\ yd^2

Amount of fabric left with Richard = \frac56 \ yd^2

We need to find the amount of fabric Richards used for his project.

Solution:

Now we can say that;

amount of fabric Richards used for his project is equal to Amount of fabric Richard was given minus Amount of fabric left with Richard.

framing in equation form we get;

amount of fabric Richards used for his project = \frac{35}{12}-\frac56

Now we will make the denominator common using LCM we get;

amount of fabric Richards used for his project = \frac{35}{12}-\frac{5\times2}{6\times2} = \frac{35}{12}-\frac{10}{12}

Now Denominator is same so we will solve the numerator.

amount of fabric Richards used for his project  = \frac{35-10}{12}= \frac{25}{12}\ yds^2

\frac{25}{12}\ yds^2 can be rewritten as 2\frac{1}{12}\ yd ^2

Hence Richard used 2\frac{1}{12}\ yd ^2 of fabric for his project.

7 0
3 years ago
If you answer all of these I will give brainliest if it will let me!!!!!
Tamiku [17]

Answer:

1-8

Step-by-step explanation:

I was only able to finish one through eight The rest follow the same concept though

6 0
3 years ago
AB≅BC≅CD≅DE, AD = 8x - 4, AB = x + 2 solve for AB
Levart [38]

Just solve for , then substitute back into either expression and calculate either BC or AD. The other one is then the same amount.


The one about the square is the same thing except you don't care how the figure is named because all 4 sides are equal anyway. Just set the two expressions equal to one another and then solve for  



4 0
3 years ago
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One of the biggest dangers of storms that produce heavy rains or storm surges is ___.
Radda [10]
The answer is b because it makes the most senses in the sentence have a great day
4 0
2 years ago
Find first derivative f(x)= x² - 4 /x³ + 9 ​
vitfil [10]

Answer:

f'(x) = 2x + \frac{12}{x^{4} }

Step-by-step explanation:

differentiate using the power rule

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Given

f(x) = x² - \frac{4}{x^3} + 9 = x² - 4x^{-3} + 9 , then

f'(x) = 2x + 12x^{-4} = 2x + \frac{12}{x^{4} }

5 0
2 years ago
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