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erica [24]
3 years ago
5

Slope=3 ;Containing the point (3,-4)

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
4 0

Answer:

Step-by-step explanation:ok so heres

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The age of a father is 3 times the age of his son. 5 years ago, the father was 4
LUCKY_DIMON [66]

Answer:

Step-by-step explanation:

x = father's age

y = son's age

Nowadays:

3x = y

5 years ago:

4(x - 5) = y - 5

4x - 20 = y - 5

4x = y + 15

I hope I've helped you.

3 0
4 years ago
Tje Distributive Property combines ___________ and ______________ to make multiplying whole numbers simpler.
FrozenT [24]
Combines distributing that’s one do more tease each on it and it can help u better
6 0
3 years ago
You know that 1/7 = 0.142857 . . Can you predict what the decimal expansions of
Anna11 [10]

Answer:

2/7=0.285714

3/7=0.428571

4/7=0.571428

5/7=0.714285

6/7=0.857142

Step-by-step explanation:

1/7 = 0.142857

2/7=2(1/7)

2/7=2(0.142857)

2/7=0.285714

3/7=1/7+2/7

3/7=0.142857+0.285714

3/7=0.428571

Or

3/7=3(1/7)

3/7=3(0.142857)

3/7=0.428571

4/7=2(2/7)

4/7=2(0.285714)

4/7=0.571428

5/7=5(1/7)

5/7=5(0.142857)

5/7=0.714285

6/7=2(3/7)

6/7=2(0.428571)

6/7=0.857142

8 0
3 years ago
Working alone at its constant rate, pump X pumped out ¼ of the water in a tank in 2 hours. Then pumps Y and Z started working an
madam [21]

Answer:

The correct option is B) 12.

Step-by-step explanation:

Consider the provided information.

Working alone at its constant rate, pump X pumped out ¼ of the water in a tank in 2 hours.

As we know: rate =\dfrac{ work}{time},

The rate of pump X is \frac{\frac{1}{4}}{2} = \frac{1}{8}

\frac{1}{4} of the water is pumped out of the tank, that means only \frac{3}{4} is left to be pumped out.  

All 3 pumps pumped out the remaining \frac{3}{4} of the water out in 3 hours.

The combined rate of all three pumps is: \frac{\frac{3}{4}}{3} = \frac{1}{4}

Pump Y, working alone at its constant rate, would have taken 18 hours to pump out the rest of the water.

The rate of pump Y = \frac{\frac{3}{4}}{18} = \frac{1}{24}

Let z is the time taken by pump Z, then the rate of pump Z is \frac{1}{z}.

Therefore,

\dfrac{1}{8}+\dfrac{1}{24}+\dfrac{1}{z}=\dfrac{1}{4}

Multiplying both sides by 24 z.

3z + z + 24 = 6z\\24 = 2z\\12 = z

Hence, the correct option is B) 12.

5 0
4 years ago
If john has a bag of 30 sweets and he eats 21. what is the percentage is left​
Katen [24]

<em>L</em><em>ook</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em>

<em>h</em><em>ope</em><em> </em><em>it</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>you</em><em>.</em><em>.</em>

6 0
4 years ago
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