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Annette [7]
3 years ago
11

Round each decimal number to the near estas integer: 11.90, 5.49, 7.09, 8.5, -2.2

Mathematics
1 answer:
astraxan [27]3 years ago
8 0

11.90 rounds up to 12, which is the nearest integer.

5.49 rounds down to 5.

7.09 rounds down to 7.

8.5 rounds up to 9.

-2.2 rounds down to -2.

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Please answer both I’ll mark you brilliant !
Ymorist [56]

Bruh, I swear I'm getting dumber everyday day!!!

4 0
3 years ago
Naomi's car exponentially depreciates at a rate of 8% per
Dafna11 [192]

The approximate original price of the car is $23032

<h3>How to determine the original price?</h3>

The given parameters are:

Rate, r = 8%

Price at 4 years old = 16,500

An exponential function is represented as:

y = a(1 - r)^x

Where a represents the initial value

This gives

y = a(1 - 8%)^x

Evaluate

y = a(0.92)^x

At 4 years old, we have:

16500 = a(0.92)^4

Divide both sides by (0.92)^4

a = 23032

Hence, the approximate original price of the car is $23032

Read more about exponential function at:

brainly.com/question/11464095

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7 0
2 years ago
The distances male long jumpers for State College jump are approximately normal with a mean of 263 inches and a standard deviati
Effectus [21]

Answer:

His jump was of 272.45 inches

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this problem, we have that:

\mu = 263, \sigma = 14

75th percentile

X when Z has a pvalue of 0.75. So X when Z = 0.675

Z = \frac{X - \mu}{\sigma}

0.675 = \frac{X - 263}{14}

X - 263 = 14*0.675

X = 272.45

His jump was of 272.45 inches

7 0
3 years ago
Read 2 more answers
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Simora [160]

Answer:

C=68.4

Step-by-step explanation:

Circumference=2\pi r

Pi = 3.142

r (radius) = 10 cm

C=2(3.142)(10)

C=(6.84)(10)

C=68.4

Therefore, circumference of a circle with 10 cm radius is <u>68.4.</u>

<em>I hope this helps......</em>

5 0
3 years ago
Find the value of x if 8=3-5x<br>step by step​
AysviL [449]

Answer:

8=3-5x

5x=3-8

5x=-5

x=-5/5

x=-1

is the required answer

4 0
3 years ago
Read 2 more answers
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