![hardyfombu](/avatars/5634.jpg)
hardyfombu
06.08.2021 •
Mathematics
In a survey of some people, 73% like to drink tea, 85% like to drink coffee and 65% like to drink tea as well as coffee .If 210 people like neither tea nor coffee, then find the total number of people taken part in the survey. Also, by a Venn diagram show how many of them like at least one of the given drink.
Solved
Show answers
More tips
- F Family and Home What s That Noise When a Kettle Boils? The Science of Water and Steam...
- S Style and Beauty Ultimate Guide on How to Care for Suede Shoes...
- S Sport Running: How to Do It Right?...
- F Food and Cooking How to Cook Spaghetti Right – Secrets and Tips...
- P Philosophy Personal attitude towards Confession: how to prepare and undergo the procedure correctly?...
- H Health and Medicine Flu: How to Recognize It by the First Symptoms?...
- F Food and Cooking How to Sober Up Quickly? Important Facts and Tips...
- H Health and Medicine How to Properly Take a Blood Sugar Test?...
- H Health and Medicine Simple and Effective: How to Get Rid of Cracked Heels...
- O Other How to Choose the Best Answer to Your Question on The Grand Question ?...
Answers on questions: Mathematics
- M Mathematics Subscribe to “savageboii3D” and first person to do it will get...
- M Mathematics The formula gives the velocity v in feet per second of an object that has fallen h feet. Find the velocity of an object that has fallen 76 feet. Round to the nearest hundredth....
- M Mathematics PLEASE PLEASE HELP. I’ll give branliest....I’m begging....
- M Mathematics Estimate 39 divided by 5...
- M Mathematics Jelissa walked 6 miles in 90 minutes. If she continues at this rate.joe long would it take her to travel 8 miles?...
- M Mathematics How many thirds of a hallway will each student decorate if there are 3 students and 5 hallways...
- M Mathematics Which is NOT true? A 7 + 7 = 19 - 5 B 9 + 9 = 11 + 7 C 19 = 13 + 5 D 20 - 12 = 4 + 4...
- M Mathematics A line passes through the point (4,8) and has a slope of -5/4. Write an equation in slope-intercept form for this line...
- M Mathematics hi nothing for checking for me to be able to make it to the gym today and I love you too baby girl and I love you too baby and have fun at school and see what happens and we are...
- M Mathematics True or False. Rotations do NOT preserve lengths of segments and degrees of measures of angles. True False...
Ответ:
3000 people participated in the survey, of which 2790 like some type of drink.
Since in a survey of some people, 73% like to drink tea, 85% like to drink coffee and 65% like to drink tea as well as coffee, if 210 people like neither tea nor coffee, to find the total number of people taken part in the survey and show how many of them like at least one of the given drink, the following calculations must be performed:
-First, it must be determined how many people do not prefer any of the drinks, in percentages, subtracting the 65% who like both from the percentages of each particular drink, and adding these results.
(73 - 65) + (85 - 65) + 65 = X 8 + 20 + 65 = X 93 = X-Therefore, the 210 people who do not like any drink are 7 percent of the total survey. Therefore, to determine the total number of people who participated, the following cross multiplication must be carried out.
7 = 210 100 = X 100 x 210/7 = X 3000 = 73000 - 210 = 2790
Therefore, 3000 people participated in the survey, of which 2790 like some type of drink.
Learn more about cross multiplication in
Ответ:
18 square units.
Step-by-step explanation:
Vertices of rectangle ABCD are,
A → (-4, -2)
B → (-2, -2)
C → (-2, 7)
D → (-4, 7)
Since, area of a rectangle is given by the formula,
Area of a rectangle = Length × Width
= AB × BC
To get the measure of length and width we will use the formula,
d =![\sqrt{(x_2-x_1)^2+(y_2-y_1)^2)}](/tpl/images/1008/7985/c4c7b.png)
AB =
= 2 units
BC =
= 9 units
Area of the rectangle ABCD = 2 × 9 = 18 square units
Therefore, 18 square units is the area of the rectangle ABCD.