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ohaa [14]
3 years ago
11

HELP! 5/x+3 - 3/x-2 = 5/3x+6 please show your work. :)

Mathematics
1 answer:
astra-53 [7]3 years ago
3 0
Here is a condensed solution

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The null hypothesis and the alternate hypothesis are: H0: The frequencies are equal. H1: The frequencies are not equal. Category
OLga [1]

Answer:

Reject H0

Step-by-step explanation:

Given :

H0: The frequencies are equal. H1: The frequencies are not equal

Category f0 A 10 B 30 C 30 D 10

Total f0 = (10 + 30 + 30 + 10) = 80

Expected frequency is the same for all categories :

Expected frequency = 1/4 * 80 = 20

χ² = Σ(observed - Expected)² / Expected

χ² = (10-20)^2 / 20 + (30-20)^2 /20 + (30-20)^2 / 20 + (10-20)^2 / 20

χ² = (5 + 5 + 5 + 5) = 20

Pvalue = 0.00017

Pvalue < α

5 0
2 years ago
DO Tuesday Write 1,003,498 in each form. Word: Expanded: need help really please​
alukav5142 [94]

word form: one million, three thousand, four hundred ninety eight

number form : 1,003,498

expaned form 1000000 + 30000 + 400 + 90 + 8

i would so base form but i cant

8 0
2 years ago
Classify the triangle by its angle measures. 80 30 70
umka21 [38]

Answer:

Scalene

Step-by-step explanation:

The three angles have different measures, so the sides have different lengths.

Sometimes it's hard not to assume something from a picture.  Just because two of the sides look congruent doesn't mean they are.  The information in the diagram (and geometry knowledge and logic!) are your guide.

4 0
3 years ago
What is the equation of the graph below?
suter [353]

Answer:


The equation to the graph is y = − (x − 3)2 + 2.


Hope this helps!


Remember to mark me Brainliest!

6 0
2 years ago
Read 2 more answers
Subtract -2x-10from 10x^2+3
Ratling [72]

Answer:

10x^2+2x+13

Step-by-step explanation:

10x^2+3 - (-2x-10)

10x^2+3 +2x+10

10x^2+2x+13

6 0
2 years ago
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