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Nana76 [90]
3 years ago
13

Smart Answers Please. Help is Required! Will give you 60 Points!

Mathematics
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

1. 8

2. (5,8)

Step-by-step explanation:

Hope this helps

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Ms.Ache is paid $1250 per week but is fined a $100 each day she is late to work.she wants to make at least $3,000 over the next
Fiesta28 [93]

There are 3 working weeks and each work week she earns $1250, so the total earning is:

total = 1250 * 3 = $3750

 

For each day of late, she is fined $100, and she must make at least $3,000. So she can only be late for 7 days so that her earning would be:

earning = 3750 – 7*100 = $3050

 

<span>Max number of days late = 7days</span>

4 0
4 years ago
60 points will be given!!!! Thanks to those who help!!!
Diano4ka-milaya [45]

so what i'm gonna do is find out how to get about 42 oz by multiplying 10.57,

10.57 x 4 is the closest i got with 10.57 x 4 = 42.28

then i multiplyed 3.48 by 4 to see the price of 4 bags

which was 13.92

so the 42 oz one has the best deal

hope this helps!

7 0
4 years ago
HELP. Which statement best describes the domain of the function represented in the graph?
Mkey [24]
Your answer is the third option!
3 0
2 years ago
Solve y'' + 10y' + 25y = 0, y(0) = -2, y'(0) = 11 y(t) = Preview
svetlana [45]

Answer:  The required solution is

y=(-2+t)e^{-5t}.

Step-by-step explanation:   We are given to solve the following differential equation :

y^{\prime\prime}+10y^\prime+25y=0,~~~~~~~y(0)=-2,~~y^\prime(0)=11~~~~~~~~~~~~~~~~~~~~~~~~(i)

Let us consider that

y=e^{mt} be an auxiliary solution of equation (i).

Then, we have

y^prime=me^{mt},~~~~~y^{\prime\prime}=m^2e^{mt}.

Substituting these values in equation (i), we get

m^2e^{mt}+10me^{mt}+25e^{mt}=0\\\\\Rightarrow (m^2+10y+25)e^{mt}=0\\\\\Rightarrow m^2+10m+25=0~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~[\textup{since }e^{mt}\neq0]\\\\\Rightarrow m^2+2\times m\times5+5^2=0\\\\\Rightarrow (m+5)^2=0\\\\\Rightarrow m=-5,-5.

So, the general solution of the given equation is

y(t)=(A+Bt)e^{-5t}.

Differentiating with respect to t, we get

y^\prime(t)=-5e^{-5t}(A+Bt)+Be^{-5t}.

According to the given conditions, we have

y(0)=-2\\\\\Rightarrow A=-2

and

y^\prime(0)=11\\\\\Rightarrow -5(A+B\times0)+B=11\\\\\Rightarrow -5A+B=11\\\\\Rightarrow (-5)\times(-2)+B=11\\\\\Rightarrow 10+B=11\\\\\Rightarrow B=11-10\\\\\Rightarrow B=1.

Thus, the required solution is

y(t)=(-2+1\times t)e^{-5t}\\\\\Rightarrow y(t)=(-2+t)e^{-5t}.

6 0
3 years ago
12. Fill in the blanks with the correct numbers (choose the answer with the correct number set): While Jackie Robinson played fo
Anuta_ua [19.1K]
12. Fill in the blanks with the correct numbers (choose the answer with the correct number set): While Jackie Robinson played for the Brooklyn Dodgers the team reached the World Series ______ times and won the World Series ____ time. *
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