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Alinara [238K]
3 years ago
7

3-^1 x (4 x 6) x 2-^3

Mathematics
2 answers:
xeze [42]3 years ago
4 0

\huge{ \boxed{ \mathbf{ \blue{Problem:-}}}}

\bold{ {3}^{ - 1 \ } (4 \times 6) \times  {2}^{ - 3} }

\huge{ \boxed{ \bf{ \blue{Solution:-}}}}

\bold{ {3}^{ - 1}(4 \times 6) \times  {2}^{ - 3}  }

=  \bold{   \frac{1}{3}^{1}  (4 \times 6) \times  { \frac{1}{2}^{3} } }

=  \bold{ \frac{1}{3} \times 24 \times  \frac{1}{8}  }

\bold{= 1}

<h3><u>〜</u><u>Hope</u><u> it's</u><u> helpful</u></h3>
Gelneren [198K]3 years ago
3 0

3^-1 = 1/3

2^-3 = 1/8

(4.6) = 24

24 × 1/8 × 1/3 = 1

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What’s the answer ? i need to know to pass my AMDM class please !
kirill [66]

Answer:

225/4

Step-by-step explanation:

When you are trying to find the number to be added to a binomial of the form : x^2+bx in order to make it a perfect square trinomial, all you need to do is to use the square of half of the coefficient b. That is : (\frac{b}{2} )^2.

In your case this is: (\frac{15}{2} )^2=\frac{15^2}{2^2}=\frac{225}{4}

3 0
3 years ago
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Will ran 120 minutes in the past two days. He ran 20 more minutes the second day than the first day. how many minutes did he run
valentinak56 [21]
Here is the equation: x+(x+20) = 120

Since you can't combine anything yet, its x+x+20=120

You need to get x by itself

Minus 20 from both sides

Its x+x=100 now

Combine the x's which is now 2x

Now divide 100 by 2 which is 50

x=50
---------------

Lets check:

50+(50+20)=120

Now combine the numbers in the parentheses

Its now 50+70=120

50+70=120 and 70-50=20

As you can see, he ran 50 minutes the first day and 70 minutes the second day 
4 0
3 years ago
In class of 25 students 3 students failed. what is the probability that student from this class will pass (not fail)
elixir [45]
The probability that a student will fail is 3/25, there are 25 of them, thus the sample space is 25 and 3 out of that is 3/25 or 0.12.

what's the probability that one will pass?  well, the opposite of failing, thus is the complement of 0.12, namely, 1 - 0.12.
6 0
4 years ago
Read 2 more answers
The value of x that satisfies the equation 4/3=x+10/15
kenny6666 [7]

For this case we must find the value of "x" that meets the following equation:

\frac {4} {3} = x + \frac {10} {15}

We subtract \frac {10} {15} on both sides of the equation:

\frac {4} {3} - \frac {10} {15} = x\\\frac {15 * 4-3 * 10} {3 * 15} = x\\\frac {60-30} {45} = x\\- \frac {30} {45} = x

We simplify:

x =\frac {6} {9}=\frac{2}{3}

Finally, x =\frac {2} {3}

Answer:

x =\frac {2} {3}

8 0
3 years ago
What are the values of x in the equation x2 – 6x + 9 = 25? x = –2 or x = 8 x = –1 or x = –11 x = 1 or x = 11 x = 2 or x = –8
beks73 [17]

Answer:

x = 8 or x = -2

Step-by-step explanation:

x^2 - 6x + 9 = 25

x^2 - 6x - 16 = 0

The formula to solve a quadratic equation of the form ax^2 + bx + c = 0 is equal to x = [-b +/-√(b^2 - 4ac)]/2a

with a = 1

b = -6

c = -16

substitute in the formula

x = [-(-6) +/- √(-6^2 - 4(1)(-16))]/2(1)

x = [6 +/- √(36 + 64)]/2

x = [6 +/- √10]/2

x = [6 +/- 10]/2

x1 = [6 + 10]/2 = 16/2 = 8

x2 = [6 - 10]/2 = -4/2 = -2

8 0
3 years ago
Read 2 more answers
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