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algol [13]
4 years ago
10

Anybody who could help me with this

Mathematics
2 answers:
dangina [55]4 years ago
8 0
%error is what percent you were off. so it would be original number / new number I think
slavikrds [6]4 years ago
7 0
6) to find the average (mean) of something, you add all the numbers together and divide it by the amount of results there are. So:
34.5 + 34.9 + 34.2 + 33.4 +35.9 = 172.9
172.9 / 5 = 34.58

7) percentage change is the difference ÷ original result x 100. So

34.58 - 34.1= 0.48
0.48 ÷ 34.1 X 100 ≈ 1.4%


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Solve for x 1.x=1 and 2over 3​
kogti [31]

Answer:

<h3>x = 1 and 2/3 or x = 1 2/3</h3><h3 />

Step-by-step explanation:

Simplify both sides of equation

1 * x = 1 2/3

1 * x is 1x which is the same as x because there is one x

then for the improper fraction which is 1 2/3

to simplify improper fractions we times the whole number by the denominator

so 1 * 3 then add the numerator 2 and the denominator stays the same so we get x = 5/3

now we have x = 5/3 this is not correct because the numerator is bigger than the denominator so we just subtract the denominator from the numerator and how many times 3 goes into 5 (in this case 1) becomes the new whole number.

therefore we get x = 1 2/3

6 0
3 years ago
Which two numbers add up to ___ and multiply to ___?can you help me with this? Multiplied 1 adds to 10
irina [24]

Begin by following the herd . . . call the two numbers 'x' and 'y' .

You said that  xy=1 ,  so  y = 1/x

You said that  x + y = 10, so          x + 1/x = 10

Multiply each side by 'x':                  x² + 1 = 10x

Subtract 10x from each side:   x² - 10x + 1  =  0

Use the quadratic formula to solve this, and the two solutions
that you get for  'x'  are also the two numbers  'x'  and  'y' .
They are

     <em>9.89898</em>
and
     <em>0.10102</em>

   (rounded)
 


8 0
4 years ago
A chef uses 4 cups of potatoes to make a batch of mashed potatoes. If p represents the number of cups of potatoes, which equatio
velikii [3]
It will be A. The amount of potatoes is 4 times the amount of batches you make.
4 0
4 years ago
Read 2 more answers
Ciara brought $240.00 to spend on gigts for her family. She found 8 identical statures at a gift shop. She had $72 leftover. how
suter [353]
Statues+72=240
minus 72 both sides
statues=168
168=8statutes
assuming they cost the same
divide both sides by 8
21=1statue

each costs $21
6 0
3 years ago
Kim finished a race in 48.47 seconds. This is 9.7 seconds faster than her practice time. What was Kim's practice time? A 38.77 s
ludmilkaskok [199]

Answer:

58.17 seconds

Step-by-step explanation:

48.47 + 9.7 = 58.17

4 0
3 years ago
Read 2 more answers
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