Have you ever done something and regretted it literally 2 seconds later

Mathematics

1 answer:

lesantik [10]4 years ago

4 0

Answer:

sos

Step-by-step explanation:

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#40 please some one help me

larisa [96]

I don't know if this is right but don't get mad I think it would be -5

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3 years ago

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Find z 2y-z x = --------- 4

vfiekz [6]

z= 2y-4x ok i hope this helps.

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4 years ago

Tom and Becky can paint Jim's fence together in 12 hours. If all people paint at the same rate, how many hours would it take to

Delvig [45]

Answer: 8 hours

Step-by-step explanation:

Let x be the time taken by each person to paint the fence.

Given: Tom and Becky can paint Jim's fence together in 12 hours.

Since all people paint at the same rate, then we have the following equation ;-

$\dfrac{1}{x}+\dfrac{1}{x}=\dfrac{1}{12}\\\\\Rightarrow\ \dfrac{2}{x}=\dfrac{1}{12}\\\\\Rightarrow\ x=24$

Thus, the time taken by each person to paint the fence alone = 24 hours

Now, the time taken by all three paint together:-

$\dfrac{1}{t}=\dfrac{1}{24}+\dfrac{1}{24}+\dfrac{1}{24}\\\\\Rightarrow\ \dfrac{1}{t}=\dfrac{3}{24}\\\\\Rightarrow\ t=\dfrac{24}{3}=8\text{ hours}$

Hence, it would take 8 hours if all three paint together.

3 0

3 years ago

Describe how to determine the solution of a system of two linear equations by graphing.

levacccp [35]

Using the graphing you graph the two equations and then find the point where the two lines of the equation meet.

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3 years ago

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3.A yogurt shop offers 6 different flavors of frozen yogurt and 12 different toppings. How many choices are possible for a singl

Sidana [21]

The correct answers are: #3) 72; #4) 40,320; #5) 90.

Explanation:
#3) The number of possible choices are found by multiplying the choices of flavors and the choices of toppings:
6*12=72.

#4) The ordering of 8 cards is a permutation, given by 8!=40,320.

#5) This is a permutation of 10 objects taken 2 at a time:
P(10,2) = 10!/(10-2)!=10!/8!=90.

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3 years ago