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Ronch [10]
2 years ago
12

How do you write 2,252/ 1,000 as a percentage?

Mathematics
2 answers:
REY [17]2 years ago
6 0
225% 2252/1000 is a fraction so you divide and get 2.25 and move the decimal point over two to the right. 
taurus [48]2 years ago
6 0
225.2%

We need to make 1000 into the denomenator of 100, as that is the only possible denomenator you can have for a percent.

Lets move a 0 so we get 100.

2252 divided by 10 is 225.2

The answer will be 225.2%.

Hope this helped, and please mark brainliest! :)
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A car travels for 4(t+3) hours at a constant speed of 10(t+3) km/h. If the total distance travelled by the car is 810 km, find t
IceJOKER [234]

Step-by-step explanation:

\because \: time \times speed  = distance \\  \therefore \: 4(t + 3) \times 10(t + 3) = 810 \\ \therefore \: 4(t + 3)^{2} = 81 \\ \therefore \:  \{2(t + 3) \}^{2} =  {9}^{2}  \\  \therefore \:  \{2(t + 3) \} =  {9}   \\  \therefore \: t + 3 =  \frac{9}{2}  \\ \therefore \: t  =  \frac{9}{2}  - 3 \\  \therefore \: t  =  \frac{9 - 6}{2}  \\  \therefore \: t  =  \frac{3}{2}  \\ \therefore \: t  =  1.5 \: hrs  \\

\because \: time \times speed  = distance \\  \therefore \: 4(t + 3) \times 10(t + 3) = 810 \\ \therefore \: 4(t + 3)^{2} = 81 \\ \therefore \:  \{2(t + 3) \}^{2} =  {9}^{2}  \\  \therefore \:  \{2(t + 3) \} =  {9}   \\  \therefore \: t + 3 =  \frac{9}{2}  \\ \therefore \: t  =  \frac{9}{2}  - 3 \\  \therefore \: t  =  \frac{9 - 6}{2}  \\  \therefore \: t  =  \frac{3}{2}  \\ \therefore \: t  =  1.5 \: hrs  \\ speed \: of \: car = 10(t + 3) \\ \hspace{60 pt} = 10(1.5 + 3) \\   \hspace{60 pt}= 10 \times 4.5 \\ \red{ \boxed{ \bold{ \therefore \: speed \: of \: car  = 45 \:km/ h}}} \\

3 0
3 years ago
What is the point slope form of a line with slope 2 that contains the point (1,3)
Marat540 [252]

Answer:

Option A y-3=2(x-1)

Step-by-step explanation:

we know that

The equation of a line into point slope form is equal to

y-y1=m(x-x1)

In this problem we have

(x1,y1)=(1,3)

m=2

substitute

y-3=2(x-1)

4 0
3 years ago
For the line that passes through Y(3,0), parallel to DJ with D(-3,1) and J(3,3), complete the following: Find the slope. Write a
Ulleksa [173]

I am going to graph the situation on an external graphing utility and show you the answer, it will take a

minute, stay with me.

m\text{ = }\frac{rise\text{ }}{\text{run}}=\frac{change\text{ in y}}{\text{change in x}}=\frac{3}{1}=3y\text{ = mx+b}\rightarrow\text{ b =-1}

So the equation of the line is.

y\text{ =3x -1}y\text{ -1 = m(3-0)}

8 0
1 year ago
Grayson's car used 2 gallons to travel 30 miles. How far can he travel on 3 gallons?​
Darina [25.2K]

Answer:

45

Step-by-step explanation:

You do 30 divided by 2 = 15. then you do 15+30=45, and boom, there is your answer

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Answer:

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Step-by-step explanation:

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