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anzhelika [568]
2 years ago
14

7 + 4 + -8 + -7 + -5 + 2=? Is the answer -7?

Mathematics
2 answers:
balandron [24]2 years ago
4 0

Answer:

Yes

Step-by-step explanation:

Alisiya [41]2 years ago
3 0

Yes, the answer is -7.

7 + 4 + -8 + -7 + -5 + 2 =

= 7 - 7 + 4 + -8 + -5 + 2 =

= 4 + -8 + -5 + 2 =

= -4 + -5 + 2 =

= -9 + 2 =

= -7

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IrinaK [193]

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  7 pizzas

Step-by-step explanation:

For a difference in price of $58 -25 = $33, a customer gets a difference in number of 5 -2 = 3 pizzas. Then a pizza costs $33/3 = $11.

The cost of 2 pizzas is $22, so the delivery charge is $25 -22 = $3.

For $80, after subtracting the $3 delivery charge, $77 goes to the cost of pizzas. For that amount, $77/$11 = 7 pizzas will be delivered.

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3 years ago
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zhannawk [14.2K]
The density is 4, and the mass is 12.

So we just plug this into the equation

d = m/v

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3 years ago
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8 0
3 years ago
Read 2 more answers
A coffee shop owner wants to examine the number of customers who pass in front of his store in the morning from 7:00am to 7:30am
adelina 88 [10]

The probability that more than 210 people will pass in front of his store is <u>0.2272</u>.

In the question, we are given that a coffee shop owner wants to examine the number of customers who pass in front of his store in the morning from 7:00 A.M to 7:30 A.M.

We are asked to find the probability that more than 210 people will pass in front of his store if the mean number of customers during this time is 210.

This experiment follows a Poisson Distribution with a mean (λ) = 200, and the random variable X = 210.

To find the probability that more than 210 people will pass in front of his store, we will find P(X > 200).

P(X > 200) = 1 - P(X ≤ 210).

Now, P(X ≤ 210) can be calculated using the function poissoncdf(200,210) on the calculator.

As to find the probability of a Poisson Distribution P(X ≤ x), for a mean = λ, we use the calculator function poissoncdf(λ,x).

The value of poissoncdf(200,210) = 0.77271.

Thus, the value of P(X > 210) = 1 - 0.77271 = 0.22729.

Thus, the probability that more than 210 people will pass in front of his store is <u>0.2272</u>.

Learn more about Poisson Distribution at

brainly.com/question/7879375

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