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maks197457 [2]
2 years ago
7

Write a two-step equation that involves multiplication and subtraction, includes a negative coefficient , and has a solution of

x=7
Mathematics
1 answer:
Allisa [31]2 years ago
3 0

Answer:

-60x+20 = -400

x equals 7

Step-by-step explanation:

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2x-5=33<br><br>what's the work ? &gt;&lt;
stellarik [79]
+5 on both sides

So you're left with 2x=33

Divide 2 from both sides

X= 16.5
4 0
3 years ago
Read 2 more answers
On average, there are 10 customers arrives a local bank per hour. Bob is the only bank teller on duty at the bank currently and
I am Lyosha [343]

Answer:

the probability that no customer will arrive in the next 6 minutes = 0.36788 = 0.368

Step-by-step explanation:

If there are 10 customers per hour, this translates to 1 customer per 6 minutes

So, if there's a mean of 1 customer per 6 minutes, to obtain the probability that no customer will come in a 6 minute interval, this becomes a Poisson distribution problem.

The Poisson distribution formula is given by

P(X = x) = (e^-λ)(λˣ)/x!

where λ = mean = 1 customer per 6 minutes

x = 0 customer per 6 minutes

P(X=0) = (e⁻¹)(1⁰)/0! = 0.36788 = 0.368

7 0
3 years ago
The cost of hiring a plumber is shown by the equation � = 100� + 75, where n is the number of hours
harina [27]

Answer:

The minimum number of hours the plumer can work is 1 hour and 15 minutes and the maximum number of hours is 6.

Step-by-step explanation:

7 0
2 years ago
Which of the following is how we find slope from a graph?
stellarik [79]

Answer:

m= rise/ run

Step-by-step explanation:

We can find the slope by

m= rise/ run

 = change in y/ change in x

 = ( y2-y1)/(x2-x1)

  = vertical change/ horizontal change

3 0
3 years ago
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IF YOU ARE SMART DO THIS PROBLEM NOT PEOPLE WHO DONT WANN HELP
Alexxandr [17]

Answer:

3.28ft

Step-by-step explanation:

Rectangular Prism Formula:

l*w*d = v

(plug in values)

2.6*1.4*d=11.94

3.64*d=11.94

d = 3.28ft

5 0
2 years ago
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