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3 years ago

Determine whether each quadrilateral is a parallelogram. Write yes or no. If yes, give a reason for your answer.

Mathematics

1 answer:

emmasim [6.3K]3 years ago

6 0

Answer:

yes

Step-by-step explanation:

All of the opposite sides are parallel to each other.

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Solve the equation below. Simplify if necessary.

SpyIntel [72]

Answer:

15 1/6

Step-by-step explanation:

change -8 2/3 into an improper fraction = -26/3

-4/7v = -26/3

cross-multiply:

3(-4v) = (-26)7

-12v = -182

v = 182/12

v = 15 1/6

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3 years ago

Is it possible or not possible to draw a triangle with sides lengths of 4, 5 and 7?

lorasvet [3.4K]

Answer:

No.

Step-by-step explanation:

The Triangle Inequality Theorem states that this is not possible.

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3 years ago

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The weights of the fish in a certain lake are normally distributed with a mean of 11 lb and a standard deviation of 6. if 4 fish

Alexus [3.1K]

Since the sample standard deviation is now known, we use the z-score test. The formula is given as:

z= (X – μ) / (s / sqrt(n))

Where,

X = sample mean = 8.6 lb to 14.6 lb

μ = population mean = 11 lb

s = population standard deviation = 6

n = sample size = 4

1st: Calculating for z when x = 8.6 lb

z = (8.6 – 11) / (6 / sqrt4)

z = - 0.8

Using the standard distribution table for z:

Probability (x = 8.6 lb) = 0.2119

2nd: Calculating for z when x = 14.6 lb

z = (14.6 – 11) / (6 / sqrt4)

z = 1.2

Using the standard distribution table for z:

Probability (x = 14.6 lb) = 0.8849

Therefore the probability that the mean weight will be between 8.6 and 14.6 lb:

Probability (8.6 ≤ x ≤ 14.6 ) = 0.8849 - 0.2119

Probability (8.6 ≤ x ≤ 14.6 ) = 0.673 (ANSWER)

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3 years ago

MS LEE IS HANDING OUT WRISTBANDS AS STUDENTS ENTER THE THE DANCE THERE ARE 40 BLACK, 20 YELLOW .AND 15 PURPLE WRISTBAND

valina [46]

SO WHAT ARE WE TRYING TO FIND OUT

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3 years ago

Simplify completely 6x-12/10

dezoksy [38]

Answer: =6x+ −6/5

Step-by-step explanation:

Let's simplify step-by-step.

6x−12/10 =?

= 6x + −6/5

* Hopefully this helps:) Mark me the brainliest:) For a better a understanding I included the picture of what I exactly mean incase you didn't understand the work that I showed you :)

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3 years ago

Read 2 more answers

Determine whether each quadrilateral is a parallelogram. Write yes or no. If yes, give a reason for your answer. ​

Determine whether each quadrilateral is a parallelogram. Write yes or no. If yes, give a reason for your answer.