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2 years ago

7

Round 1,497 to the nearest ten

1 answer:

Eddi Din [679]2 years ago

4 0

0-4 stay the same 5-9 plus one
Which is 1,500

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A set of average city temperatures in May are normally distributed with a mean of 20.66 ^\circ \text{C}20.66

Angelina_Jolie [31]

Answer:

0.9962

Step-by-step explanation:

The z score shows the number of standard deviations by which the raw score is above or below the mean. If the raw score is above the mean then the z score is positive but if the raw score is less than the mean then the raw score is negative. The z score is given by:

$z=\frac{x-\mu}{\sigma}\\ \\\mu=mean,\sigma=standard\ deviation, x=raw\ score$

μ = 20.66°C, σ = 2°C

For x < Singapore temperature, i.e. x < 26

$z=\frac{x-\mu}{\sigma} =\frac{26-20.66}{2}=2.67$

From the normal distribution table P(x < 26) = P(z < 2.67) = 0.9962

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3 years ago

Evaluate the given expression if w = 6 and z = -3.

LenaWriter [7]

The answer will be 75
-3*-3*-3*-3=81
Z^4-w
81-6=75

5 0

2 years ago

Read 2 more answers

Pls help i will give brainliest

pentagon [3]

I'm Sorry I not good when it comes to tax but it might be around 21.30 maybe I most likely am wrong

3 0

2 years ago

Read 2 more answers

Solve for x and y please help!!

Pie

Answer:

the answer is

y= 26.57

x= 35.09

5 0

3 years ago

Surface area of a cube is given as 480 square inches. how long is each edge?

MrRissso [65]

Answer:

2880

Step-by-step explanation:

(Warning I may have this wrong, and in any way shape or form you get this question wrong i apologize)

There are 6 faces on a cube, and if each face is 480 square inches you must simply multiply 6x480.

Hope this helps :)

5 0

2 years ago