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3 years ago

PLZZZZZ NEED HELP!!!!!!

Mathematics

1 answer:

Gemiola [76]3 years ago

3 0

Here you go hope i helped

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Three of the quadrilaterals are square rectangle rhombus. Give a reason why the rectangle could be the odd one out.

rewona [7]

Answer: rectangle does not have all equal sides

Step-by-step explanation:

the square and rhombus are quadrilaterals that have equal side lengths on all sides

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3 years ago

This is due at 8:00PM please someone help

krek1111 [17]

10. A 11. D 12. A (wasn’t too sure about question 12)

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3 years ago

3 feet long and 2 feet wide is what in square inches when area conversion with whole number

mixer [17]

The area is 864 square, or 6 square feet.

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3 years ago

Read 2 more answers

scores on the act college entrance exam follow a bell-shaped distribution with mean 18 and standard deviation 6. Wayne's standar

WITCHER [35]

Answer:

His actual score is 15

Step-by-step explanation:

Here, we are interested in calculating Wayne’s actual score on the ACT

when we say the scores have being standardized, it means the score was reported in terms of the z-score and not the initial raw scores.

Now, mathematically, for the scores to have a negative z-score, it means it is actually below the mean.

The formula for the z-score or standard score is given below;

z-score = (x - mean)/SD

where in this case, x = ? which is the score we are looking for , z-score = -0.5 , mean score = 18 and standard deviation of the scores = 6

So, substituting these values into the z-score equation, we have;

-0.5 = (x-18)/6

x-18 = 6(-0.5)

x -18 = -3

x = -3 + 18

x = 15

7 0

3 years ago

the number of kilometers a car can drive varies directly with the liters of fuel in the car. this car can travel 476 kilometers

notka56 [123]

For this case we have that the relationship is direct.

Therefore, we have:

$y = k * x$

Where,

y: distance traveled in kilometers

x: number of liters of fuel

k: proportionality constant

We must look for the value of k. For this, we use the following data:

This car can travel 476 kilometers on 17 liters of fuel.

Substituting values we have:

$476 = k * 17$

From here, we clear the value of k:

$k = \frac{476}{17}\\k = 28$

Therefore, the relationship is:

$y = 28x$

For 1428 kilometers we have:

$1428 = 28x$

Clearing the amount of fuel we have:

$x = \frac{1428}{28}\\x = 51$

Answer:

51 liters of fuel are required for the vehicle to travel 1,428 kilometers

3 0

3 years ago