3 years ago

One of the sides of a parallelogram has the length of 5 in. Can the lengths of the diagonals be 4 in and 6 in?

Mathematics

1 answer:

sleet_krkn [62]3 years ago

5 0

No, the answer is no.

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Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors

goblinko [34]

Answer:

1.66

Step-by-step explanation:

We need to conduct a chi square test

The statistic used to check this is given by the below

∑(n, 1) = [(O(i) - E(i)] / E(i)

From the question, we're told the observed value is

Freshmen

Sophomore

Junior

Senior.

After that, we then calculate the expected value.

Freshman

0.3 * 300 = $90

Sophomore

0.24 * 300 = $72

Statistics then finally gives us this

X² = (93 - 90²)/90 + (68 - 72)²/72 + (85 - 78)/78 + (64 -60)²/60

X² = 3² / 90 + 4² / 73 + 13² / 78 + 4² / 60

X² = 0.1 + 0.212 + 2.167 + 0.266 x+

X² = 2.745

X = √2.745

X = 1.66

8 0

3 years ago

Suppose you had d dollars in your bank account. You spent $12 but have at least $51 left. How much money did you have initially?

PtichkaEL [24]

For this case we must raise an inequality.

We have "d" dollars initially and they are spent 12. Then:

$d-12$

At least 51 dollars remain, then, the sign of inequality is greater or equal in favor of the expression $d-12$ , that is:

$d-12\geq 51$

Resolving:

$d\geq 51 + 12\\d\geq 63$

There are at least 63 dollars left in the account.

Answer:

$d-12\geq 51\\d\geq 63$

8 0

3 years ago

A hexagonal prism has _________ lateral faces. a. 8 b. 7 c. 6 d. 2

LiRa [457]

The answer is c. 6 because the hexagonal prism is a prism with hexagonal base;

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3 years ago

1. Mr. McClellan compared the weights (in pounds) of pairs of elk antlers dropped at Mount St Helens NVM and Rocky Mountain NP.

Dahasolnce [82]

(a) I have the line plot attached
(b) Purple mean: 30
Red mean: 36
Purple median: 30
Red median: 36

I'm sorry, that is as much as I can help with, I really am sorry.

4 0

4 years ago

Polygons. Find the measure of x

Eddi Din [679]

your picture is not showing up for me

8 0

3 years ago