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IgorC [24]
2 years ago
15

If a(b+c)=d and a, b, c and d are all integer, then which of the following must be true?

Mathematics
2 answers:
vampirchik [111]2 years ago
6 0

Answer:

ab + ac = d

Step-by-step explanation:

a(b+c)=d

Distribute the a

ab + ac = d

lions [1.4K]2 years ago
3 0

Answer:

B. ab+ac=d

Step-by-step explanation:

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The distance from Antville to Beetleton is 60 km.
serious [3.7K]

Answer:

i. Time = 2 hours.

ii. Average speed for the whole journey = 25 km/h

Step-by-step explanation:

Distance from Antville to Beetleton = 60 km

Mr. Caterpillar's speed = 30 km/h

Speed = \frac{distance}{time}

⇒ time = \frac{distance}{speed}

            = \frac{60}{30}

            = 2

time = 2 hours

It would take Mr. Caterpillar 2 hours to travel from Antville to Beetleton at that speed.

On his return journey, his average speed is 20 km/h. Therefore;

average speed for the whole journey = \frac{30 + 20}{2}

                                                 = \frac{50}{2}

                                                 = 25

average speed for the whole journey = 25 km/h

8 0
3 years ago
If the starting celcis is +40 and it changes to 5 degrees colder what’s the final celcis
eduard
<h3>Answer:  35 degrees Celsius </h3>

start at 40 on the number line. Move 5 units to the left to arrive at 35

40-5 = 35

Or you can have a vertical number line. Start at 40 and move down 5 units to arrive at 35.

5 0
3 years ago
Estimate then record the product 95×8
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