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sergij07 [2.7K]
2 years ago
10

!00 points and Brainliest plzzzz help, I will report false answers though

Mathematics
2 answers:
Ratling [72]2 years ago
7 0

Answer:

-4x-17=y

Step-by-step explanation:

Distribute the -4 into the parenthises. Then subrtract the 1 from both sides.

spin [16.1K]2 years ago
4 0

Answer:

4x+y=17 that the answer  

Step-by-step explanation:

You might be interested in
An animal shelter houses dogs, cats, and rabbits. There are 126 animals at the shelter. Of the animals, one-third are cats. Thre
Furkat [3]

Answer:

21

Step-by-step explanation:

126/3=42

126-42=84

84/4=21

63 are dogs

42 are cats

and 21 are rabbits

4 0
2 years ago
Sally is standing at one corner of a snowy rectangular field that measures 200 ft by 200 ft. She wishes toreach a warm cabin loc
pshichka [43]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The optimal point(i.e the position of  P) that will allow Sally to reach the cabin as quickly as possible is  d =  50 \ ft from the cabin.

Step-by-step explanation:

From the question we are told that

   The speed from the point Sally is standing to the point P is  u =  3 \  ft /s

   The speed from the point P to the cabin is v  =  5 \  ft /s

   

Let denote the distance from the bottom left corner to the  P  be  y  ft

 Generally according to Pythagoras theorem the distance from Sally's first position to point P is mathematically represented as

          s = \sqrt{y^2 + 200^2}

Generally the distance from that point P to the cabin is mathematically represented as

       d =  200 -y

Generally the time it takes Sally to cover that distance s is mathematically represented as

       t_1 =  \frac{s}{u}

=>     t_1 =  \frac{ \sqrt{y^2 + 200^2}}{3}

Generally the time it takes Sally to cover that distance d is mathematically represented as

       t_2 =  \frac{d}{v}

=>     t_2 =  \frac{ 200 - y }{5}

So the total time taken is  

        t= \frac{ \sqrt{y^2 + 200^2}}{3}  +  \frac{ 200 - y }{5}

Generally the minimum time taken with respect to the distance is mathematically evaluated by differentiating and equating the derivative to 0

So  

     \frac{dt}{dy} =\frac{1}{3} \frac{y}{ \sqrt{y^2 + 200^2} }  -  \frac{1}{5}  =0      

=> \frac{dt}{dy} = \frac{y^2 }{y^2 + 200 ^2} =\frac{9}{25}

=> 25y^2 = 9y^2 + 9 * 200^2        

=> 16y^2 = 360000          

=> y = 150

So the distance from point P to the cabin is  

           d =  200 -150

=>       d =  50 \ ft

So  the optimal point(i.e the position of  P) that will allow Sally to reach the cabin as quickly as possible is  d =  50 \ ft from the cabin

       

8 0
2 years ago
I’ll give brainliest
melomori [17]

Answer:

a.No

b.-7/2, it is at (4,-7/2)

c.-5?4, it is at (2,-5/4)

d.All real numbers except 6

e.3

f.-1/2

Step-by-step explanation:

a. Plug it in! f(5)=((5)+3)/((5)-6)=-8, so no!

b. Plug it in! f(4)=((4)+3)/((4)-6)=-7/2

c. Plug it in! f(2)=((2)+3)/((2)-6)=-5/4

d. If it were to be 6, then it would be 3/0 which would be undefined.

d.f(-3)=((-3)+3)/((-3)-6))=0/8

f.f(0)=((0)+3)/((0)-6)=-1/2

6 0
2 years ago
In a quiz just some middle school work anyone who can help me plsss
Alexxx [7]

わからない、ごめんなさい。ポイントが欲しかったです笑

3 0
3 years ago
Can somebody help me with this question. Will mark brainliest.
11Alexandr11 [23.1K]

Answer:

The answer is the third option! :)

Step-by-step explanation:

Hope you do great:)

5 0
3 years ago
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