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IgorC [24]
3 years ago
11

What’s the answer ??? And the last option is 55 it got cropped out

Mathematics
1 answer:
beks73 [17]3 years ago
6 0
It's 50 because the bottom right is 65 too so 65 + 65 is 130. 180 - 130 is 50
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HELPPP! I’ll mark Brainliest (NO joke answers)
Licemer1 [7]

Answer: benis

jk, the answer is 3

8 0
3 years ago
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Social media is popular around the world. Statista provides estimate of the number of social media users in various countries in
amm1812

Answer:

Kindly check explanation

Step-by-step explanation:

The data table :

Use of SM _UK _China _ Russia _US _ col total

Yes ______480 __215 ___343 __640 _ 1678

No _______320 _ 285 ___357__ 360 _ 1322

Row Total__ 800 _500 __ 700_ 1000_ 3000

H0 : p1 = p2 = p3 = p4

H1 : p1 ≠ p2 ≠ p3 ≠ p4

Test statistic :

χ² = Σ(observed - Expected)² / Expected

Expected value of each cell = (Row total * column total) / N

N = grand total

Expected Values:

447.467 _279.667 _ 391.533 _ 559.333

352.533 _ 220.333 _ 308.467 _ 440.667

χ²=(2.36536+14.9527+6.01605+11.6337+3.00232 18.9793+7.63611+14.7665) = 79.352

Degree of freedom, df = (row-1)*(column-1) = (2 - 1) * (4 - 1) = 1 * 3 = 3

Using the Pvalue from Chisquare calculator :

Pvalue(79.352, 3) = 0.00000000001

Decision region :

Reject H0 ; If Pvalue < α

α = 0.05

Since 0.000000001 < 0.05 ; Reject H0 and conclude that not all population proportion are equal.

Sample proportion :

Phat = number of yes, x / total

For UK, Phat = 480/800 = 0.6

For China , Phat = 215/500 = 0.43

For Russia , Phat = 343/700 = 0.49

For US, Phat = 640/1000 = 0.64

7 0
3 years ago
The graph of f(x)=3×2 -3 is shown below. g(x) is a transformation of f(x). How would you write the equation for the function g(x
umka2103 [35]

A function assigns the values. The function of the graph g(x) is 3(2ˣ).

<h3>What is a Function?</h3>

A function assigns the value of each element of one set to the other specific element of another set.

Given the function of the graph is f(x)=3(2ˣ)-3, which is needed to be transformed to g(x), since g(x) is the function of f(x) transformed 3 units upwards therefore, the function of g(x) can be written as,

g(x) = f(x) + 3

g(x) = 3(2ˣ)-3+3

g(x) = 3(2ˣ)

Hence, the function of the graph g(x) is 3(2ˣ).

Learn more about Function:

brainly.com/question/5245372

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8 0
2 years ago
Can anyone help me solve this problem: 3i(-5i)
katovenus [111]
The answer is -15i^2

4 0
4 years ago
Evaluate 150 - ( 2 +x)^ 3 when x - 2
AveGali [126]

Answer:

86

Step-by-step explanation:

(2+2=4) 4 to the 3rd power is 64. 150 minus 64 is 86

3 0
3 years ago
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