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zmey [24]
3 years ago
9

؟ةةةةةةةةةةةةةةةةةةةةةة

Mathematics
2 answers:
jeka57 [31]3 years ago
8 0
(x,y)
Domain: list of all x
Range: list of all y
Domain here: {9,1,8}
Range here: {d,0,}
in set notation always write like {}
Don't repeat entries
Ilia_Sergeevich [38]3 years ago
4 0

Answer:

domain = { 1, 8, 9 }

range = { 0, d }

Step-by-step explanation:

see your other question.

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£6000 is to be shared among David, Daniel and Dennis, Daniel is to get one and a half times as much as David, while Denis is to
Savatey [412]

Answer:

um

Step-by-step explanation:

5 0
3 years ago
What is the equation of the line that passes through the point (5, -2) and has a<br> slope of -2/5
Alecsey [184]

Answer:

y=-2/5x

Step-by-step explanation:

y-y1=m(x-x1)

y-(-2)=-2/5(x-5)

y+2=-2/5(x-5)

y=-2/5x+10/5-2

y=-2/5x+2-2

y=-2/5x

4 0
3 years ago
A restaurant owner was experimenting with the taste of her homestyle lemon drink. She started with 60 litres of water. She remov
Burka [1]

Answer:

ratio of pure lemon juice to water in the homestyle lemon  drink is 5 : 19.

Step-by-step explanation:

In order to solve the final ratio of lemon juice to water, let us start by determining the initial ratio of pure lemon juice to water in the first mix. This is done as follows:

Total volume of mixture = 60 liters

initial volume of water = 60 liters

initial volume of lemon juice = 0 liters

1) She removed 15 liters of the water and replaced it with 15 liters of pure lemon juice.

Volume of water = 60 - 15 = 45 liters

Volume of lemon juice = 15 liters

 \therefore \frac{15}{60}\ = \frac{1}{4}\  of\ the\ first\ mix\ is\ lemon\ juice\\\frac{45}{60}\ = \frac{3}{4}\  of\ the\ first\ mix\ is\ pure\ water

2) She removed 10 liters of the new mixture

Let us convert this amount removed into ratio:

lemon\ juice\ = \frac{1}{4}\ \times 10 = \frac{10}{4} = \frac{5}{2}\ liters.\\  \therefore the\ owner\ removes\ \frac{5}{2}\ liters\ of\ pure\ lemon\ juice\\pure\ water\ = \frac{3}{4}\ \times 10 = \frac{30}{4} = \frac{15}{2}\ liters\\  \therefore\ the\ owner\ removes\ \frac{15}{2}\ liters\ of\ water\ from\ the\ first\ mix.

New volumes of water and lemon juice after removing the 10 liters of mixture is calculated as follows:

lemon\ juice\ = 15 - \frac{5}{2} = \frac{30-5}{2} = \frac{25}{2}\ liters\ of\ lemon\ juice\\pure\ water\ = 45 - \frac{15}{2} = \frac{90-15}{2} = \frac{75}{2}\ liters\ of\ pure\ water

3) and replaced it with 10 liters of water.

New\ volume\ of\ water\ = 10 + \frac{75}{2} = \frac{20+ 75}{2} = \frac{95}{2}\ liters

The final ratio of lemon juice to water:

\frac{25}{2} : \frac{95}{2}\\= 25 : 95\\= 5 : 19

Therefore, the final ratio of pure lemon juice to water in the homestyle lemon  drink is 5 : 19.

4 0
3 years ago
The student population of a school consist of 300 girls and 500 boys. If 53% of the girls play sports, and 39% of the boys play
Ymorist [56]
Hello!

Convert the percentages to decimals by dividing them by 100, and then multiply them by the amount of boys and girls.

53 ÷ 100 = 0.53 as a decimal

0.53 × 300 girls = 159

This means that 159 of the 300 girls play sports.

Repeat this to calculate how many boys play sports.

39 ÷ 100 = 0.39

0.39 × 500 = 195

This means that 195 out of the 500 boys play sports.

Final Answer:

More boys play sports than girls.
8 0
3 years ago
What's the equation of a line that passes through point (–1, 3) with a slope of 1?
PilotLPTM [1.2K]

Answer:

equation is y = x+4

Step-by-step explanation:

m = 1

y = mx + b

3 = 1*(-1)+b

3 = -1+b

b = 4

so

again

y = mx+b

y = 1x +4

so y = x+4

7 0
3 years ago
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