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MAVERICK [17]
3 years ago
12

A group of students were asked to choose between blue and red, the colour they like 70% chose blue and 50% chose red. Each stude

nt in the group chose at least one of the two colours.
i. Represent the information on a Venn diagram.

ii .If 10 students chose both colours, find the number of students who chose:
a. only red
b only blue

iii. How many students were in the group?​
Mathematics
1 answer:
klio [65]3 years ago
6 0

iii:120 or 120%

Step-by-step explanation:

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Fill in the missing value for Y,<br> then click DONE.<br> y = 2x + 3
BARSIC [14]

Answer:

x = 2 so y = 7

x = 4 so y = 11

Step-by-step explanation:

y = 2x + 3

x = 0 so y = 2(0) + 3 | y = 3

x = 2 so y = 2(2) + 3 | y = 7

x = 4 so y = 2(4) + 3 | y = 11

x = 6 so y = 2(6) + 3 | y = 15

6 0
2 years ago
Write an equation for the line passing through the points (-5,15) and (20,25). Show how you found your answer.
olasank [31]

The point-slope form:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (-5, 15) and (20, 25). substitute:

m=\dfrac{25-15}{20-(-5)}=\dfrac{10}{25}=\dfrac{2}{5}\\\\y-15=\dfrac{2}{5}(x-(-5))\\\\y-15=\dfrac{2}{5}(x+5)\qquad|\text{use distributive property}\\\\y-15=\dfrac{2}{5}x+2\qquad|\text{add 15 from both sides}\\\\y=\dfrac{2}{5}x+17\qquad|\text{multiply both sides by 5}\\\\5y=2x+85\qquad|\text{subtract 2x from both sides}\\\\-2x+5y=85\qquad|\text{change the signs}\\\\2x-5y=-85

Answer:

point-slope form: y-15=\dfrac{2}{5}(x+5)

slope-intercept form: y=\dfrac{2}{5}x+17

standard form: 2x-5y=-85

7 0
3 years ago
Number of gram in p gram?
olya-2409 [2.1K]

Answer:

1 pound (lb) is equal to 453.59237 grams (g)

7 0
2 years ago
If p is the hypothesis of a conditional statement and q is the conclusion, which is represented by ~p → ~q?
AfilCa [17]

Conditional statement is a statement with a hypotesis and a conclusion:

If \text{ \underline{ hypothesis } } p , then \text{ \underline { conclusion } } q or mathematically p\rightarrow q .

Converse statement of p\rightarrow q is statement q\rightarrow p .

If you negate (that means stick a "not" in front of) both the hypothesis and conclusion, you get the inverse: \neg p\rightarrow \neg q.

Finally, if you negate everything and flip p and q (taking the inverse of the converse) then you get the contrapositive: \neg q\rightarrow \neg p.

Then,

Answer: the correct choice is D (the inverse of the original conditional statement).

8 0
3 years ago
Read 2 more answers
Plz help ASAP anyone...
Natasha2012 [34]
The answer is a. 1/7
The length of QR is 3 sqrt(2) which means half of that is where the median intersects. Since the triangle formed is a right triangle with legs that are equal. The vertex angles are 45°, we can get the coordinates of the point of intersection which is (4.5,3.5).
So, 
m (slope) = (3.5-3)/(4.5-1) = 1/7
4 0
3 years ago
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