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Stels [109]
3 years ago
11

Someone please help.​

Mathematics
1 answer:
brilliants [131]3 years ago
8 0

Answer: 3,19 which is larger than the original

Step-by-step explanation: if you consider that the original average is 3 you can say that all 25 students have 3 siblings so the average is 3, if you add another students with 8 siblings and do some math (25*3+8)/26 its 3,19

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The price of a wardrobe is decreased by 38% and now is $27.28.
nikdorinn [45]

Answer:

let the original price be 100%

then,100%-38%=62%

if 38% decrease =$27.28

let,62%decrease=x

by cross multiplying and dividing

x=$44.51 decrease

the sum of the %decrease=100%

also$44.51+$27.28=original price=$71.79

7 0
2 years ago
Divide (4x⁴-6x³-x-10)÷(2x-1)​
kvv77 [185]

Answer:

Quotient= 2x³ - 2x² - x - 1

Remainder = -11

Step-by-step explanation:

Attached the solution for further explanation.

Hope that helps...

8 0
3 years ago
Two black balls and five white balls are placed in a bag. If Amy draws two balls from the bag, what is the probability that they
vekshin1

2 +5 = 7 total balls.

!st one being white = 5/7

2nd one being white = 4/6 = 2/3

Chance of both being white = 5/7 x 2/3 =  10/21

8 0
4 years ago
Read 2 more answers
Twice the number n is no less than 10 units from -1
Nataly [62]
This means that 2n is equal to or greater than -1 +10 or -1-10, which can be shown as 2n ≥ 9 and 2n ≥-11, and since 2n ≥11 encompasses both, we can therefore say  2n ≥-11 or n ≥ -5.5 by dividing both sides by 2
7 0
4 years ago
F(x)=x what is the equation of the new function shift 8 units left shift 3 units down
nasty-shy [4]
Think of the equation of a linear function:  
Recall y = mx + b   for vertical shifts, we just add or subtract from 'b' and that will move the line up or down accordingly.. However, for horizontal shifts, we will need to add or subtract from 'x'.  Note that the slope or 'm' stays the same for each type of shift.  

Now that we know how the shifts occur, we might consider a different form of the equation for a linear function:  y = a(x - h) + k  here the 'a' is just our slope, 'k' is our original y intercept, and 'h' will represent the amount of horizontal shift.  

So to get the desired transformations of a horizontal shift to the left of 8 and a vertical shift of down 3 from our original function y = x, we can make the following changes:   y = (x + 8) - 3  Now you might be confused with how we got the 'x + 8'..   Let's consider values of 'h'.  For positive values of h, the result will be a shift to the right and for negative values of h the result will be a shift to the left.  So since we want a shift to the left we need to use a '-8' and when we substitute that into our new form, y = (x - h) + k you can see the sign change.  

Now we can simplify of course and get the final equation: y = x + 5 or in function form f(x) = x + 5
4 0
3 years ago
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