Can someone please help me? I’ll give brainliest to the first person who gets it right

Mathematics

2 answers:

labwork [276]2 years ago

6 0

This shape has these characteristics:

⇒ there are two sets of parallel sides

⇒ This shape is a parallelogram

Since this shape is a parallelogram:

⇒ meaning that angles opposite to each other

⇒ equal in measure

Since ∠B and ∠D are opposite each other

⇒ ∠D = 125°

Answer: ∠D = 125°

Hope that helps!

Pavlova-9 [17]2 years ago

3 0

Answer:

128 degrees

Step-by-step explanation:

B = D

B = 128

Therefore, D = 128

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Andrews [41]

Answer:

16.35% probability their combined weight exceeds 46000 pounds.

Step-by-step explanation:

To solve this question, we have to understand the normal probability distribution and the central limit theorem.

Normal probability distribution:

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.

Central limit theorem:

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sample means with size n of at least 30 can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$