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LuckyWell [14K]
3 years ago
14

X+2x+8x-9=376 Perímeter of the triangle

Mathematics
1 answer:
Nataliya [291]3 years ago
3 0

Answer:

×+2×+8×-9=376

r= 37b+9/11cos(0)

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A local company wants to evaluate their quality of service by surveying their customers.
stich3 [128]

Answer: b. 0.98

Step-by-step explanation:

The formula to find the maximum error of the estimated mean :

E=z^*\dfrac{\sigma}{\sqrt{n}}            (1)

, where \sigma = standard deviation

n= Sample size

z* = Critical z-value.

As per given , we have

\sigma=5

n=100

Critical value for 95% confidence interval = z*=1.96

Put these values in the formula (1), we get

E=(1.96)\dfrac{5}{\sqrt{100}}

E=(1.96)\dfrac{5}{10}=0.98

Hence, the maximum error of the estimated mean quality for a 95% level of confidence is 0.98.

Therefore , the correct answer is b. 0.98 .

6 0
3 years ago
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Answer:

Acute triangle

x = 3

GH = 19

Step-by-step explanation:

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3 years ago
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blondinia [14]

Answer:

17 acres

Step-by-step explanation:

9 acres + 8 acres = 17 acres, if that wasn't what the question meant please let me know and I'll change the answer or try to help clear confusion.

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3 years ago
What is the solution to the system of equations graphed below?
photoshop1234 [79]
A because that is where they cross
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(10 points) Joe’s parents bought him a new car for his birthday. They paid $6990 for a car that was originally priced at $7599.
Andru [333]

Answer:

91.99%

Step-by-step explanation:

To find what percentage of $7599 is $6990, we simply need to divide $7599 by $6990 and multiply by 100:

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Therefore, they paid 91.99% of the original price.

5 0
4 years ago
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