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Reptile [31]
2 years ago
12

Nina and Jo both ran a 13 km race. Nina took 2 hour 10 minutes to run the whole race. Jo started the race 7 minutes later than N

ina but caught up when they had both travelled 11 km. If Nina and Jo both ran at constant speeds, what is Jo's speed to 2 dp?
Mathematics
1 answer:
grandymaker [24]2 years ago
3 0

I searched it up and it said the answer is 6.0869 mph

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Step-by-step explanation:

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A campground says campers can rend a square space taking up 225 square feet. How long would one side of the space be?
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56.25 ft

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3 years ago
X-3y-7=0 , 3x-3y-15=0 solve this using cross multiplication​
rewona [7]

Answer:

x = 4 , y = -1

Step-by-step explanation:

x - 3y = 7 -- (1)

3x - 3y = 15 -- (2)

Rewriting (1), x = 3y + 7 -- (1)'

Substituting (1)' into (2),

3 ( 3y + 7 ) - 3y = 15

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Substituting (3) into (1),

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According to (3) and (4),

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3 years ago
How do write a word problem for the following equation:
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Three and a half divided by seven-eighth equals seven over two times eight over seven equals fifty over fourteen equals four
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4 years ago
What is a rational and irrational number?
KIM [24]

Answer:

In mathematics, a rational number is a number such as −3/7 that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Every integer is a rational number: for example, 5 = 5/1.

In mathematics, the irrational numbers are all the real numbers which are not rational numbers. That is, irrational numbers cannot be expressed as the ratio of two integers.

Step-by-step explanation:

hope it helps :)))

8 0
3 years ago
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