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3 years ago

What is the value of .44?

Mathematics

2 answers:

almond37 [142]3 years ago

7 0

It is in the the tenths and ones

mestny [16]3 years ago

6 0

44%
Also they're in the tenths and hundreds place. <span />

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What two numbers multiply 45 and add to 14

xxMikexx [17]

Ok to start this problem you must list two numbers that add to 14

7 and 7

9 and 5

10 and 4

6 and 8

those are the numbers that we will use for now..

Now multiply each pair of numbers and see which one equals 45

7 * 7 = 49, no

9 * 5 = 45, YES

10 * 4 = 40, No

6 * 8 = 48, No

The numbers discovered are 9 and 5

5 0

3 years ago

What is (3x+2y)^2 ?mmmmmmmmmmmmmmmnnnnnnnmmmmm

Vikki [24]

(3x + 2y)^2

Use the FOIL method (first, outside, inside, last)

(3x + 2y) (3x +2y)

9x^2 +6xy +6xy +4y

9x^2 + 12xy + 4y is your answer.

3 0

3 years ago

−9−(−12) as an addition expression

monitta

The value of 9−(−12) as an addition expression is 3.

<h3>What is a expression?</h3>

Expression simply refers to the mathematical statements which have at least two terms which are related by an operator and contain either numbers, variables, or both. Addition, subtraction, multiplication, and division are all possible mathematical operations.

In this case, the expression given is illustrated as:

-9 - (-12)

It's important to note that (-) × (-) = +

Therefore, -9 - (-12)

= - 9 + 12

= 3

Learn more about expressions on:

brainly.com/question/723406

#SPJ1

7 0

1 year ago

Is it likely that the next 50 Sunday customers will spend an average of at least $40? Explain. Choose the correct answer below

Brrunno [24]

Answer:

B. Yes it is likely. The probability that the next 50 Sunday customers will spend an average of at least $40 is P=0.0023.

Step-by-step explanation:

<em>The question is incomplete:</em>

<em>A grocery store’s receipts show that Sunday customer purchases have a skewed distribution with a mean of $32 and a standard deviation of $20.</em>

We have to assume certain conditions to calculate the probability that the next 50 Sunday customers will spend an average of at least $40.

First, this 50 purchases are representative of the total purchases made in the store (the same as saying it is a random sample).

Second, the 10% condition: the 50 sales represent less than 10% of all purchases.

Third, the sample of 50 sales is large enough to make an approximation to the normal distribution.

If all these conditions are met, we can approximate the probabiltity that the next 50 Sunday customers will spend an average of at least $40.

We have a sampling distribution, with mean 32 (equal to the population mean) and standard deviation:

$\sigma_M=\dfrac{20}{\sqrt{50}}=\dfrac{20}{7.07}=2.83$

Then, we calculate the z-score

$z=\dfrac{X-\mu_M}{\sigma_M}=\dfrac{40-32}{2.83}=\frac{8}{2.83} =2.83$

The probabilty can be calculated then as:

$P(X_{50}>40)=P(z>2.83)=0.0023$

5 0

3 years ago

There are 436 in the fifth grade at Jefferson Elementary.Each student was challenged to read 60 books during the year.Which numb

Vanyuwa [196]

The second line is the sentence

7 0

3 years ago