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3 years ago

Select the equivalent expression.

Mathematics

2 answers:

MrRissso [65]3 years ago

4 0

Answer:

Step-by-step explanation:

When exponents are multiplied by exponents, they add together and leave the base untouched.

emmainna [20.7K]3 years ago

3 0

Answer:

Step-by-step explanation:

(2^5/x^2)^4

(2^5×4)/(x^2×4)

2^20/x^8

Application of the rules of indices: product power law

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A department store, on average, has daily sales of $28 comma 286.28. The standard deviation of sales is $1 comma 500. On Tu

wolverine [178]

Answer:

z-score = 4.43,

It is a Good day

Step-by-step explanation:

The provided information is:

Mean = $28,286.28

Standard deviation = $1,500

Let x be the sell of department store on Tuesday.

Then, x = $34,924.62

The z-score is define as:

$z=\dfrac{x-\mu}{\sigma}\\\\=\dfrac{34924.62-28286.28}{1500}\\\\=4.43$

Thus, the Tuesday's z-score is 4.43. So this is usually good day.

3 0

3 years ago

Use pi=3.14 to estimate the circumference of the circle to the nearest hundreth the diameter is 11 cm

TiliK225 [7]

The formula of circumference: 兀×diameter

In this case:

3.14×11
=34.54cm

Nearest hundreth = 2 demical places

Therefore, the answer is 34.54cm.

Hope it helps!

3 0

3 years ago

Write a decimal that is 1/10 of 30

OLEGan [10]

$\dfrac{1}{10}\ of\ 30\to\dfrac{1}{10}\cdot30=0.1\cdot30=3.0$

3 0

3 years ago

Help help ASAP math math

Anni [7]

Answer:

-25

Step-by-step explanation:

f(-12) means x = -12

so you just plug it in the equation and solve for x

$f(x) = 3(-12)+11\\f(x) = -36+11\\f(x) = -25$

7 0

2 years ago

I need help with this please

andrezito [222]

Answer:

third one

bottom left

Step-by-step explanation:

3 0

3 years ago