1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Dafna1 [17]
4 years ago
11

Write a following relationship as a ratio using a colon. 2 students out of 10

Mathematics
1 answer:
sladkih [1.3K]4 years ago
4 0
We use ratios to make comparisons between two things. When we express ratios in words, we use the word "to"--we say "the ratio of something to something else." Ratios can be written in several different ways: as a fraction, using the word "to", or with a colon.

<span>Let's use this illustration of shapes to learn more about ratios. How can we write the ratio of squares to circles, or 3 to 6? The most common way to write a ratio is as a fraction, 3/6. We could also write it using the word "to," as "3 to 6." Finally, we could write this ratio using a colon between the two numbers, 3:6. Be sure you understand that these are all ways to write the same number. </span>

You might be interested in
Unit rate for 2520 meters to 18
Vladimir [108]
Divide 2520 by 18 to get unit rate. It calculates to 140 meters to every 1 unit.
8 0
3 years ago
Read 2 more answers
Let n=0.555…
Natalka [10]
1=1.11
2=-2.775
3=1.11
3 0
3 years ago
D. Use the model from part (a) to approximate the mileage of an automobile that costs $15,500.
ahrayia [7]

The linear regression equation which models the data, obtained using technology such as a linear regression calculator is :

  • y = - 0.18x + 19716.81

  • <em>x</em><em> </em><em>=</em><em> </em><em>mileage</em><em> </em><em>;</em><em> </em><em>y</em><em> </em><em>=</em><em> </em><em>price</em>

The predicted or approximate values obtained using the model are given below :

A.)<em> </em>

<u>Approximate</u><u> </u><u>mileage</u><u> </u><u>for</u><u> </u><u>an</u><u> </u><u>automobile</u><u> </u><u>that costs</u><u> </u><u>$</u><u>15500</u><u> </u><u>can</u><u> </u><u>be</u><u> </u><u>calculated</u><u> </u><u>thus</u><u> </u><u>:</u>

  • <em>y</em><em> </em><em>=</em><em> </em><em>15500</em>

Substituting <em>y</em><em> </em><em>=</em><em> </em><em>15500</em><em> </em><em>into</em><em> </em><em>the</em><em> </em><em>equation</em><em> </em><em>:</em>

15500 = -0.18x + 19716.81

0.18x = 19716.81 - 15500

0.18x = 4216.81

x = 4216.81 / 0.18

x = 23,426.722

Hence, mileage is about 23427 miles.

B.)

<u>Approximate</u><u> </u><u>the</u><u> </u><u>predicted</u><u> </u><u>price</u><u> </u><u>of</u><u> </u><u>an</u><u> </u><u>automobile</u><u> </u><u>with</u><u> </u><u>6000</u><u> </u><u>miles</u><u> </u><u>:</u>

  • <em>x</em><em> </em><em>=</em><em> </em><em>6000</em><em> </em><em>miles</em><em> </em>

Substituting <em>x</em><em> </em><em>=</em><em> </em><em>6000</em><em> </em><em>into</em><em> </em><em>the</em><em> </em><em>equation</em><em> </em><em>:</em>

y = -0.18x + 19716.81

y = -0.18(6000) + 19716.81

y = 18636.81

Hence, the price of the car would be about $18637.

Learn more :brainly.com/question/18405415

6 0
2 years ago
Simplify the following expressions without using calculator 8/(2sqrt(6) + 3) - 4/(2sqrt(6) -3)​
lesya [120]

Step-by-step explanation:

\tt \longrightarrow \dfrac{8}{2 \sqrt{6}  + 3 }  - \dfrac{4}{2 \sqrt{6}   - 3 }  \\  \\  \tt \longrightarrow \dfrac{8(2 \sqrt{6}  - 3) - 4(2 \sqrt{6}   +  3)}{(2 \sqrt{6}  + 3)(2 \sqrt{6}   - 3 ) }   \\  \\  \tt \longrightarrow \dfrac{16\sqrt{6}  - 24 - 8 \sqrt{6}    - 12}{(2 \sqrt{6} ) {}^{2}   -  (3) {}^{2} } \\  \\ \tt \longrightarrow \dfrac{8\sqrt{6}  - 36}{24   -  9 }  \\  \\   \tt  \green{\longrightarrow \dfrac{8\sqrt{6}  - 36}{15 }}

4 0
3 years ago
Left on together, the cold and hot water faucets of a certain bathtub take 4 minutes to fill the tub. If it takes the hot water
pochemuha

Answer:

Cold  = \frac{1}{6}\ mins

Step-by-step explanation:

The correct given parameters are:

Both = \frac{1}{4}\ mins

Hot = \frac{1}{12}\ mins

Required

Time taken by the cold water faucet

We have:

Cold + Hot = Both

Make Cold the subject

Cold  = Both -Hot

So, we have:

Cold  = \frac{1}{4}-\frac{1}{12}

Take LCM

Cold  = \frac{3-1}{12}

Cold  = \frac{2}{12}

Divide by 2

Cold  = \frac{1}{6}

6 0
3 years ago
Other questions:
  • HELP PLEASE! What does it mean if the probability is 20% that a spinner will stop in a red section? (I think it's C.)
    10·1 answer
  • A gym charges a $30 sign-up fee plus $20 per month. You have a $130 gift card for the gym. When does the total spent on your gym
    15·2 answers
  • A box contains 12 plastic forks and 6 plastic knives. if two utensils are chosen at random from the box without replacement, wha
    7·1 answer
  • If m &gt; n, which inequalities must be true? Check all that apply.
    9·2 answers
  • Calculate each probability
    7·1 answer
  • A hairstylist schedules hour to trim a customer's hair and hour to style the customer's hair. The hairstylist plans to
    6·1 answer
  • 13. Based on the pattern, what are the next two terms of the sequence?
    7·2 answers
  • Add.<br> 0.125 +0.25 +0.375
    14·2 answers
  • Can someone help me with this please
    13·1 answer
  • Which set of numbers could represent the lengths of the sides of a right triangle?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!