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Wewaii [24]
3 years ago
11

F x2 = 40, what is the value of x?

Mathematics
1 answer:
Jlenok [28]3 years ago
7 0
20, because 20 x 2 is 40
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-18,-13,-8,-3,....<br><br> Find the above sequential formula
zhuklara [117]

The first term (a) is - 18

You add 5 to get to the next term. Or you can solve it by taking any 2 consecutive terms and find their difference.

Formula

d = t4- t3

Givens

t4 = - 3

t3 = - 8

Solution 1

d = t4 - t3             Substitute

d = -3 -  ( - 8)        Remove the brackets

d = -3 + 8             Combine  

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Remark

Find the general formula

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So term 20 =           Example    

t20 = -18 + (20 - 1)*5 Combine the inside of the brackets. Remove the brackets

t20 = - 18 + 19*5          Combine 19 and 5          

t20 = -18 + 95              "Subtract"

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5 0
3 years ago
The mean of a set of numbers is 8, and the mode is 9.
ryzh [129]
You can start by looking at the mode of the set of number automatically b and d are eliminated. We then proceed to calculate the mean so add all the numbers in A so it’ll be, 52 then divide by the amount of numbers in the set so 6. 52/6 =8.6
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Therefore your answer is C
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svet-max [94.6K]

Answer:

<h3>23\sqrt[1]{2}</h3>

Step-by-step explanation:

Simplify.

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3 years ago
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