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rusak2 [61]
3 years ago
10

Please help me out !

Mathematics
2 answers:
hjlf3 years ago
7 0

Answer:

a) \frac{-9}{-10}       b) \frac{-3}{5} , -\frac{3}{5}

Step-by-step explanation:

a) Since the fraction you are dealing with, \frac{9}{10} , is positive, we will need to find a fraction that has either two negative numbers or two positive numbers. The first option, -\frac{9}{10} , the entire fraction is negative, which does not match the given fraction. The second option, \frac{-9}{10} , only one number is negative, and that does not match either. The third option, \frac{9}{-10} , is the same as the second option, only one negative number. However the last option, \frac{-9}{-10} , has both a negative number in the numerator and denominator which both cancel out to \frac{9}{10}, making the fraction positive.

b) The fraction we are dealing with here, \frac{-3}{5} , is negative, so we need to find a fraction that has only one negative number. The first option, \frac{3}{5} , has no negative numbers, making it positive, which does not match. The second option, \frac{3}{-5} , has one negative number, which matches our fraction. The third fraction, \frac{-3}{-5} has two negative numbers making the fraction \frac{3}{5}, positive, which does not match. Then the last option, -\frac{3}{5} the whole fraction is negative which matches our fraction.

Ahat [919]3 years ago
3 0

Answer:

a) -9/-10 (4th)

b) -3/5 (4th)

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Answer:

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Step-by-step explanation:

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3 years ago
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Answer: her speed on the bicycle is 8 mph

Step-by-step explanation:

Let x represent the speed at which she walks. If she rides 6 mph faster than she can walk, then the speed at which she rides is (x + 6) mph

Distance = speed × time

Eli walk from her house to a friends house in one hour. This means that the distance covered is 1 × x = x miles.

Distance on her bicycle in 15 minutes. Converting 15 minutes to hours, it becomes 15/60 = 0.25 hour. Distance covered while riding is 0.25(x + 6) = 0.25x + 1.5

Since the distance is the same,then

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3 0
3 years ago
Can y’all help me please
matrenka [14]

Answer:

w = 5

Step-by-step explanation:

The perimeter of a rectangle is given by

P = 2(l+w)

28 = 2(2w-1 + w)

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28 =2(3w-1)

Divide each side by 2

28/2 = 2/2(3w-1)

14 = 3w-1

Add 1 to each side

14+1 = 3w-1+1

15 = 3w

Divide each side by 3

15/3 =3w/3

5 =w

8 0
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Read 2 more answers
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This sequence keeps dividing by 2. So, you would divide 3 by 2 and you would get 1.5.

3 0
3 years ago
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