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3 years ago

Can you help me and tell me how you got it

Mathematics

1 answer:

myrzilka [38]3 years ago

4 0

If she can ride her bike 3 miles in 24 minutes how far can she ride her bike in 72minutes. So, if we find out how many times 24 goes into 72 (by dividing it) then times the answer by 3 because that’s how many miles she can do in 24 min. That will give you the answer e.g

Sally can ride her bike 4 miles in 12 minutes so how far can she ride her bike in 24 minutes. You do:

_2_. 2x 4 = 8 so she would be able to
12) 24. Do 8 miles I. 24 minutes.

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I need help please!!

mina [271]

Step-by-step explanation:

$\frac{ - 1}{5} \times \frac{4}{7}$

$\: \: \: \: \: \frac{ - 4}{35}$

$\frac{ - 1}{2} \times \frac{4}{5}$

$\frac{ - 2}{5}$

$\frac{ - 3}{2} \times \frac{7}{ - 10}$

$\frac{21}{20}$

$\frac{1}{2} \times \frac{7}{8}$

$\frac{7}{16}$

$\frac{ - 9}{5} \times \frac{1}{2}$

$\frac{ - 9}{10}$

$\frac{ - 32}{9} \times \frac{1}{3}$

$\frac{ - 32}{27}$

$\frac{ - 2}{1} \div \frac{ - 19}{5}$

$\: \: \: \: \: \: \frac{ - 2}{1} \times \frac{5}{ - 19}$

$\: \: \: \: \frac{ - 10}{19}$

$\frac{1}{9} \div \frac{ - 4}{3}$

$\frac{1}{9} \times \frac{3}{ - 4}$

$\frac{ - 1}{12}$

$\frac{13}{7} \div \frac{23}{4}$

$\frac{13}{7} \times \frac{4}{23}$

$\frac{52}{161}$

$\frac{ - 37}{10} \div \frac{9}{4}$

$\frac{ - 37}{10} \times \frac{4}{9}$

$\frac{ - 74}{45}$

5 0

3 years ago

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What is the slope of the line on the graph?<br><br><br> Enter your answer in the box.

Andrews [41]

Answer:

slope = -1/3

Step-by-step explanation:

7 0

3 years ago

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Which rule represents the translation of hexagon D'E'F'G'H'I' ?

Sveta_85 [38]

Answer:

C (X,Y)->(X-4,×-5) I would say bro

3 0

3 years ago

Please help!!!<br> Which expression is equivalent to (3m^-1n^2)^4/(2m^-2n)^3

Elza [17]

$\text{Use:}\\\\(a\cdot b)^n=a^nb^n\\\\(a^n)^m=a^{n\cdot m}\\\\\dfrac{a^n}{a^m}=a^{n-m}$

$\dfrac{(3m^{-1}n^2)^4}{(2m^{-2}n)^3}=\dfrac{3^4(m^{-1})^4(n^2)^4}{2^3(m^{-2})^3n^3}=\dfrac{81m^{-4}n^8}{8m^{-6}n^3}\\\\=10.125m^{-4-(-6)}n^{8-3}=10.125m^2n^5$

7 0

3 years ago

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HELP ASAP!!!!!!!!

Hoochie [10]

Answer:

Step-by-step explanation:

The set {1,2,3,4,5,6} has a total of 6! permutations

a. Of those 6! permutations, 5!=120 begin with 1. So first 120 numbers would contain 1 as the unit digit.

b. The next 120, including the 124th, would begin with '2'

c. Then of the 5! numbers beginning with 2, there are 4!=24 including the 124th number, which have the second digit =1

d. Of these 4! permutations beginning with 21, there are 3!=6 including the 124th permutation which have third digit 3

e. Among these 3! permutations beginning with 213, there are 2 numbers with the fourth digit =4 (121th & 122th), 2 with fourth digit 5 (numbers 123 & 124) and 2 with fourth digit 6 (numbers 125 and 126).

Lastly, of the 2! permutations beginning with 2135, there is one with 5th digit 4 (number 123) and one with 5 digit 6 (number 124).

∴ The 124th number is 213564

Similarly reversing the above procedure we can determine the position of 321546 to be 267th on the list.

8 0

3 years ago

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