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FrozenT [24]
4 years ago
6

a man and a daughter stand on a scale they weigh 90kg. The man gets back on with his cat together they weigh 70kg. The daughter

and the cat weigh 40kg together. How much do the man, his daughter, and their cat weigh on their own?
Mathematics
2 answers:
Alexeev081 [22]4 years ago
8 0
The man is 60kg and the daughter 30kg  because 60+30=90. The cat has to weigh 10kg because the man's weight 60kg plus the cat's weight 10kg is 70kg. Also because the daughter's weight 30kg plus the cat's weight 10kg is 40kg.
Marta_Voda [28]4 years ago
3 0
The man weighs 60kg. The daughter weighs 30kg. The cat weighs 10kg.
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Keith played the first 22 minutes of soccer game lohan then replaced him for the rest of half logan started the second half and
insens350 [35]

Answer:

Logan played for 22 minutes during the second half.

Step-by-step explanation:

Since Keith played the first 22 minutes of a soccer game and Logan then replaced him for the rest of the half, and Logan started the second half and was replaced by Wilson with 18 minutes left in the game, if each half is 40 minutes long To determine how long did Logan play during the second half, the following calculation must be performed:

Second Half Total - Time Played by Wilson = Time Played by Logan

40 - 18 = X

22 = X

Therefore, Logan played for 22 minutes during the second half.

6 0
3 years ago
There are 399 items advertised in a catalog. If the catalog is 75 pages long, what is the average number of items per page?
sukhopar [10]

Answer:

Step-by-step explanation:

Well, we can divide 399 and 75 so it would be 5.32. Round that and it would be about 5 items per page

5 0
3 years ago
Help help math please help help help help
klio [65]

Answer:

Answered is x= 55x

Step-by-step explanation:

13x+10 * 12x+20

soln:

or, 13x+12x+10+20

or, 25x+30

:., therefore, x=55x

8 0
2 years ago
Emily works at a concession booth for summer sports. Hotdogs are $1.50 and sodas are $0.50. At the end of the night she made a t
pav-90 [236]

Answer:

52 sodas

Step-by-step explanation

h=hotdogs

s= sodas

1.5h+.5s=78.5

You know that Emily sold 35 hotdogs so you replace h with 35.

Therefore, 1.5(35)+.5s=78.5

52.5+.5s=78.5

.5s=26

s=52

4 0
3 years ago
What is the value of y in the solution to the system of equations? 1/3x + 1/4y = 1 2x-3y=-30​
Zepler [3.9K]

Answer:

<h2>y = 8</h2>

Step-by-step explanation:

\left\{\begin{array}{ccc}\dfrac{1}{3}x+\dfrac{1}{4}y=1&\text{multiply both sides by 12}\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}12\!\!\!\!\!\diagup^4\cdot\dfrac{1}{3\!\!\!\!\diagup_1}x+12\!\!\!\!\!\diagup^3\cdot\dfrac{1}{4\!\!\!\!\diagup_1}y=12\cdot1\\2x-3y=-30\end{array}\right\\\left\{\begin{array}{ccc}4x+3y=12\\2x-3y=-30&\text{multiply both sides by (-2)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}4x+3y=12\\-4x+6y=60\end{array}\right}\qquad\text{add both sides of the equations}

.\qquad9y=72\qquad\text{divide both sides by 9}\\.\qquad y=8

6 0
3 years ago
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