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3 years ago

Write 197 m as a fraction of 2.7 km

Mathematics

1 answer:

Wewaii [24]3 years ago

5 0

Answer:

197/2700

Step-by-step explanation:

197m/2,7km =

= 197m/2700m

= 197/2700

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The endpoints of RS are R(–5, 12) and S(4, –6). What are the coordinates of point T, which divides RS into a 4:5 ratio?

Ksivusya [100]

Answer:

Option 2 is correct that is (-1,4)

Step-by-step explanation:

We will use the section formula to find the coordinates of T

Formula is $(x,y)=\frac{m_1x_2+m_2x_1}{m_1+m_2},\frac{m_1y_2+m_2y_1}{m_1+m_2}$

Here, $m_1=4,m_2=5,x_1=-5,y_1=12,x_2=4,y_2=-6$

On substituting the values in the formula we get

$(x,y)=\frac{4\cdot 4+5\cdot -5}{4+5},\frac{4\cdot -6+5\cdot 12}{4+5}$

$\Rightarrow (x,y)=\frac{4\cdot 4+5\cdot -5}{4+5},\frac{4\cdot -6+5\cdot 12}{4+5}$

$\Rightarrow (x,y)=\frac{16-25}{9},\frac{-24+60}{9}$

$\Rightarrow (x,y)=\frac{-9}{9},\frac{36}{9}$

$\Rightarrow (x,y)=(-1,4)$

Therefore, option 2 is correct that is (-1,4)

4 0

3 years ago

Read 2 more answers

2. Starting at a fixed time, each car entering an intersection is observed to see whether it turns left (L), right (R), or goes

jasenka [17]

Answer:

Natural numbers (integers greater than zero)

X = 3, 5, 4, 4, 3

Step-by-step explanation:

The least number of cars that can be observed in this experiment is 1, if the first car turns left. On the other hand, the experiment could go on forever if no car ever turns left, thus the highest number of cars approaches infinite.

The possible values of X are integers greater than zero, which are known as the Natural numbers.

If X = number of cars observed, simply count the number of letters in each outcome for the value of X:

Outcome = RRL, AARRL, AARL, RRAL, ARL

X = 3, 5, 4, 4, 3

7 0

3 years ago

Please help hard math lots of points

avanturin [10]

Answer:

C- y=2|x+2|

Step-by-step explanation:

When the number is inside the absolute value bars, the value shifts- so a positive two would move left two, and a negative two would move right two. If the number was outside of the equation, the shape would move up or down- a positive two would move the shape up two, and a negative two would move the graph down two.

8 0

3 years ago

Read 2 more answers

Annie buys some greeting cards. Each card costs $1.75. She pays with a twenty dollar bill.

zaharov [31]

Answer:

Step-by-step explanation:

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3 years ago

Juan Ramirez sells suits in a major department store on weekends. He earns a commission of 5 percent on the first ten suits, and

Zepler [3.9K]

So, the first 10 suits came with a commission of 5%, so for each suit it was:

250*5%

this is $\frac{250*5}{100} = \frac{25*5}{10} = \frac{25}{2} =12.5$

but this counts for 10 suits, so together his commssion was 10*12.5=125 dollars

and the "extra" 3 suits came with a comittion of 5+3 percent, so 8 percent, which is

$\frac{250*8}{100} = \frac{25*8}{10} = \frac{25*4}{5} =20$

for each suit, and 60 in total.

his total comission was 125+60=185 dollars.

8 0

3 years ago