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2 years ago

13

Find the total number of positive integers of 4 digits or less that can be taken from the digits 1, 2, 3, and 4 in the case that

a) repeating figures is not allowed b) repeat figures are allowed

1 answer:

Mars2501 [29]2 years ago

4 0

Answer:

1,2,4

Step-by-step explanation:

all are positive intergers

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Consider the equation 4+2(5x-8) = ax +b.

vlada-n [284]

Answer:

a = 10, b = -12

Step-by-step explanation:

4+2(5x-8) = ax +b

4 + 10x - 16 = ax + b

10x - 12 = ax + b

Infinitely many solutions when:

a = 10

b = -12

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3 years ago

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Simplify this: log√24+ log6

Kitty [74]

simplifying $log\sqrt{24}+log6$ we get $log(12\sqrt{6})$

Step-by-step explanation:

We need to simplify: $log\sqrt{24}+log6$

Solving:

Applying the rule:

log a + log b = log(ab)

$log\sqrt{24}+log6\\=log(6\sqrt{24})\\\sqrt{24} = \sqrt{2*2*2*3} =\sqrt{2^2*6} =\sqrt{2^2} \sqrt{6}=2\sqrt{6}\\ Putting\,\,value:\\=log(6*2\sqrt{6})\\=log(12\sqrt{6})$

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Keywords: Simplifying Logarithms

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3 years ago

PLS HELP I NeED to finish this

mote1985 [20]

Answer:

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Step-by-step explanation:

<em>Use proportions.</em>

<em /> $\frac{35}{25} = \frac{21}{x} \\\\35x = 525\\x = 15$ <em />

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Write the expressions "Four times the difference of a number and 7 is 32", "One third of a number is 12 less than the number its

Anna71 [15]

<u>Part 1)</u> "Four times the difference of a number and $7$ is $32$ "

Let

x--------> the number

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<u>the answer part 1) is</u>

$4(x-7)=32$

<u>Part 2)</u> "One third of a number is $12$ less than the number itself"

Let

x--------> the number

we know that

the expressions is equal to

$\frac{1}{3} x=(x-12 )$

therefore

<u>the answer part 2) is</u>

$\frac{1}{3} x=(x-12 )$

<u>Part 3)</u> "Ten increased by the quotient of a number and $2$ is $-15$ "

Let

x---------> the number

we know that

the expressions is equal to

$10+ (\frac{x}{2} )= -15$

therefore

<u>the answer Part 3) is</u>

$10+ (\frac{x}{2} )= -15$

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Let

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we know that

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$(3x)-1=5+x$

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How to change 3/4 to twelfths

ruslelena [56]

<span>Multiply both sides of the fraction by 3.

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