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Stolb23 [73]
3 years ago
14

Guys please answer question C i need it

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
5 0

Answer:

  see below

Step-by-step explanation:

Except for the stretch factor, your work is completely correct. Multiplying only the x-coordinate by a factor of 2 results in a horizontal stretch by that factor.

Your coordinates and graph are correct.

In the comparison, you just need to say what happened.

You might be interested in
5 yrs ago, Nuri was thrice as old as Sonu. 10 yrs later, Nuri will be twice as old Sonu. How old are Nuri n Sonu?​
Papessa [141]

Answer:

Answer will be 50

Step-by-step explanation:

Let us suppose, present age of Nuri be ‘x’ years and present age of Sonu be ‘y’ years.

Now, it is given that five years ago, Nuri was thrice old as Sonu. Hence,

Five years ago,

Nuri’s age = x-5 years

Sonu’s age = y-5 years

And relation between ages can be given as

Nuri’s age = 3×sonu’s age or

x-5 = 3(y-5)

x-5 = 3y-15

x-3y+10 = 0 ………..(i)

Another relation is given in the problem that ten years later, Nuri is twice as old as Sonu.

So, ten years ago,

Nuri’s Age = x+10

Sonu’s Age = y+10

And relation between ages can be written as

x+10 = 2(y+10)

x+10 = 2y+20

x-2y-10 = 0 …………..(ii)

Now we can solve the equation (i) and (ii) to get values of x and ‘y’ or present ages of Nuri and Sonu.

Value of ‘x’ from equation (i) be

x = 3y-10 ……….(iii)

Putting value of ‘x’ from equation (iii) in equation (ii) we get,

3y-10-2y-10 = 0

y = 20

Now, from equation (iii) value of ’x’ can be given as,

x= 3(20)-10

x = 50

Hence, the present ages of Nuri and Sonu are 50 years and 20 years respectively.

7 0
2 years ago
#3 The sales tax on a $20 shirt was 9%.
saveliy_v [14]

Answer:

Step-by-step explanation:

sales tax on the shirt= 20(0.09)=1.8 dollars

total cost with sales tax =20+20(0.09)=21.8$

3 0
3 years ago
758% as a decimal to the thousands place is........
fiasKO [112]
7.580 is 758% as a decimal to the thousandths place. 
6 0
3 years ago
Read 2 more answers
I need help on this math problem ​
Mila [183]

Answer:

x = 2

y = —3

Step-by-step explanation:

3x — 9 = —2x + 1

x = 2

y = —3

8 0
3 years ago
4. For each equation, determine if =-2 is a solution. Explain or show your reasoning.
Aneli [31]

Answer:

a. 14 b. -2

Step-by-step explanation:

a. 10=2x-18

28=2x ; x=14

b. 3x+12=2x+6+4

3x+12=2x+10

x=-2

6 0
3 years ago
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