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Firlakuza [10]
2 years ago
7

Pam asks you to help with the catering for the funeral. You decide to use juice concentrate to serve as a refreshing drink. To c

reate this delicious drink, you must dilute the concentrate in the ratio 1:4. You have 2 litres of concentrate. What is the volume of water needed?​
Mathematics
1 answer:
Charra [1.4K]2 years ago
4 0
Answer is 8 liters
Reason
1 to 4 is the same as 2 to 8
So 2 concentrate to 8 water
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Question 6
kykrilka [37]

Answer:

m=Y2–Y1/X2–X1

m =    \frac{  - 9 - (6)}{1 - ( - 4)}  \\ m =  \frac{ - 15}{5}  =  - 3 \\ y = mx + b \\ y = - 3x + b

7 0
3 years ago
Read 2 more answers
A newly constructed fish pond contains 3000 liters of water. Unfortunately the pond has been contaminated with 5 kg of a toxic c
Paraphin [41]

Answer:

\frac{dm}{dt}=-\frac{m}{30}

Step-by-step explanation:

We are given that

Volume of water in fish pond,V=3000 L

Mass of toxic  chemical=5 kg

Rate=200L/min

Removes chemical=50%

We have to find the differential equation for the time.

Let mass of toxic at any time t= m kg

Rate=Rate in-Rate out

\frac{dm}{dt}=200\times 0-\frac{m}{3000}\times 200\times \frac{50}{100}

\frac{dm}{dt}=0-\frac{m}{30}

\frac{dm}{dt}=-\frac{m}{30}

3 0
3 years ago
What is the quotient of (x3 6x2 11x 6) ÷ (x2 4x 3)? x 2 x – 2 x 10 x 6
kotykmax [81]

The quotient of (x^3 + 6x^2 + 11x + 6) \div (x^2 + 4x + 3) is x + 2

<h3>How to determine the quotient?</h3>

The quotient expression is given as:

(x^3 + 6x^2 + 11x + 6) \div (x^2 + 4x + 3)

Expand both expressions

(x + 3)(x + 2)(x +1) \div (x + 3)(x +1)

Cancel out the common factors

x + 2

Hence, the quotient of (x^3 + 6x^2 + 11x + 6) \div (x^2 + 4x + 3) is x + 2

Read more about quotient expressions at:

brainly.com/question/8952483

#SPJ4

8 0
3 years ago
*!!!* please help me!! i’ll mark brainliest if the answer is right!
Margaret [11]

Answer

Roundworm is 9ft long and the tapeworm is 60 feet long

Step-by-step explanation:

If we turn this into an algebraic equation we get 8x-3=69 with 8x being x + 7x because we know that the tape worm is about 7 times longer than the round worm and the roundworms length would be x here. We have the -3 because it is 3 minus 7 times the total length. We do this and eventually end up with x = 9 which is the length of the roundworm. We multiply that by 7 to get 63 and subtract 3 to get 60. If you want to check if this is right do 60+9 and you'll get 69 which is the total of them end to end. (also 69 funny haha)

5 0
3 years ago
Convert decimal number 89 to bicimal​
dimulka [17.4K]

Answer:

convert kisme krna h binary ki bicimal

binary me to 1011001 hota h.....

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