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Lena [83]
3 years ago
10

Can anyone help me Plz:

Mathematics
2 answers:
chubhunter [2.5K]3 years ago
8 0

Answer:

18x^4

Step-by-step explanation:

Andrei [34K]3 years ago
3 0
Answer to the problem is 18x^4
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Solve for x.<br> 2(4x+9)=98
diamong [38]

Answer:

X=10

Step-by-step explanation:

7 0
3 years ago
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Nathan is building a toolshed with a rectangular floor. The area of a rectangle is given by the formula l⋅w, where l represents
morpeh [17]

Answer:

L=7 and W=7 will have a larger floor

Step-by-step explanation:

8*6=48

7*7=49

49>48

7 0
3 years ago
Someone help me ASAP pleasssse
SpyIntel [72]

Answer:

A) I

Step-by-step explanation:

C is in 4th vertex and if moved 4 units it wii be in 1st vertex.

5 0
3 years ago
I did bad but what's the answer for this?
Setler [38]

Answer:

28 degrees

Step-by-step explanation:

A triangle is always equal to 180 degrees so add the degrees together

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8 0
2 years ago
Recently, TWA reported an on-time arrival rate of 78.4%. Assume that a later random sample of 750 flights results in 630 that ar
WINSTONCH [101]

Answer:

Step-by-step explanation:

1. Null hypothesis: u <= 0.784

Alternative hypothesis: u > 0.784

2. Find the test statistics: z using the one sample proportion test. First we have to find the standard deviation

Using the formula

sd = √[{P (1-P)}/n]

Where P = 0.84 and n = 750

sd =√[{0.84( 1- 0.84)/750]}

sd=√(0.84 (0.16) /750)

SD =√(0.1344/750)

sd = √0.0001792

sd = 0.013

Then using this we can find z

z = (p - P) / sd

z = (0.84-0.784) / 0.013

z =(0.056/0.013)

z = 4.3077

3. Find the p value and use it to make conclusions...

The p value at 0.02 level of significance for a one tailed test with 4.3077 as z score and using a p value calculator is 0.000008254.

4. Conclusions: the results is significant at 0.02 level of significance suck that we can conclude that its on-time arrival rate is now higher than 78.4%.

5 0
3 years ago
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