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Natasha_Volkova [10]
3 years ago
7

Seven times a sum of a number and 1 is 63

Mathematics
2 answers:
kompoz [17]3 years ago
7 0
7(x+1)=63
7 times a number(x) +1 
valentinak56 [21]3 years ago
4 0
7(x + 1) = 63 
That is the equations of the words above. The simplified version is:

7(x + 1) = 63
7x + 7 = 63 (multiplied 7 by x and the 7 by 1)
      - 7    -7
-----------------
7x = 63
----   ----   (divide by seven to leave the variable, in this case the letter x, alone)
7       7
x = 9  (63/7 = 9)
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A car travels a total distance of 150km. At the 50 minutes mark the car has travelled 50km and at the 110 minutes the car has tr
Nitella [24]

Answer:

The average velocity is 19.44 m/s.

Step-by-step explanation:

The average velocity between two points can be calculated with the following formula:

\bar v=\dfrac{\Delta X}{\Delta t}=\dfrac{(120-50)\, km}{(110-50)\, min}=\dfrac{70\,km}{60\,min}\\\\\\\bar v=1.667\dfrac{km}{min}*\dfrac{1\,min}{60\,s}*\dfrac{1000\,m}{1\,km}=19.44\dfrac{m}{s}

The procedure is to calculate the difference for both distance and time, and dividing the two differences, we get the average velocity.

3 0
4 years ago
Fourteen less than 5 times a number is 1. Identify the integer.<br>​
Elis [28]

Answer:

3

Step-by-step explanation:

5×3 =15

15-14=1

therefore the answer is 3

5 0
3 years ago
Simplify. 46 4 x 4 x 4 x 4 x 4 x 4 6 x 6 x 6 x 6 4 + 4 + 4 + 4 + 4 + 4 6 + 6 + 6 + 6
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this is screenshot of my computer HTML

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7 0
3 years ago
Focus on number two ok
melomori [17]
Its simple, convert 1 and 2/3 into a fraction which is 5/3 and use KCF which is Keep Change and Flip,

How this works is that you keep the first fraction, then change the division sign to a multiplication sign (Change = change the sign into its oppisite) then flip the other fraction from being 5/3 into 3/5. And then you multiply top times top and bottom times bottom. After that you simplify if you can, Hope this helped!
7 0
3 years ago
Read 2 more answers
Suppose a six-sided die is tossed 1200 times and a 6 comes up 419 times. (a) Find the empirical probability for a 6 to occur. (E
krok68 [10]

Answer:

Here both probabilities are not equal.

Therefore the die is not fair and biased.

Step-by-step explanation:

Now n= 1200 times and x = 419 times.

a) Empirical Probability:

         =\frac{x}{n} \\\\= \frac{419}{1200}\\ \\=0.349

Probability = 0.349

b) Theoretical Probability:

                     =\frac{1}{6}

Here both probabilities are not equal.

Therefore the die is not fair and biased.

3 0
2 years ago
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