WILL MARK BRAINLYIST

Mathematics

1 answer:

kykrilka [37]2 years ago

6 0

Answer:

Step-by-step explanation:

Hope it helps!

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Which addition does this model represent.

Elina [12.6K]

It represents the first one 3+(-1)

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2 years ago

The length of a rectangle is 12 inches. The width of the rectangle is 5 inches. Mia says the perimeter is 60 in2 and the area is

larisa86 [58]

Answer:

Mia is incorrect.

Step-by-step explanation:

She confused the area and perimeter.

Area is length x width, in this case 12 x 5 = 60

Perimeter is length² × width², and in this case, it is 12² × 5² = 34

Area = 60 inches

Perimeter = 34 inches

Hope that helps and have a great day!

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3 years ago

IF I HAVE A LAPTOP COMPUTER THAT MEASURES 30.8×6.6×39.8 CENTIMETERS...WHAT SIZE CASE DOES IT REQUIRE

soldi70 [24.7K]

Answer:

8090.54

Step-by-step explanation:

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3 years ago

Max brought a pair of jeans for $32 and three t-shirts for 2 dollars write an expression for the total amount max spent. if each

Nata [24]

The expression would be 32+3x where x represents the cost of each shirt. If the shirts were $9 each max would have spent $59

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3 years ago

A score that is three standard deviations above the mean would have a z score of

tia_tia [17]

The value of z-score for a score that is three standard deviations above the mean is 3.

In this question,

A z-score measures exactly how many standard deviations a data point is above or below the mean. It allows us to calculate the probability of a score occurring within our normal distribution and enables us to compare two scores that are from different normal distributions.

Let x be the score

let μ be the mean and

let σ be the standard deviations

Now, x = μ + 3σ

The formula of z-score is

$z_{score} = \frac{x-\mu}{\sigma}$