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3 years ago

Which pair of points lies below the x-axis?

Mathematics

1 answer:

Lunna [17]3 years ago

7 0

Answer:

(1,-3) and (-1,-3)

Step-by-step explanation:

Since both y-values are less than 0, they will be lower than the x-axis. This works for all points.

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a man walked for some distance at 8 km /h and for an equal distance at 5km/h. the total time he took was 3 whole number 1/4 hour

slega [8]

Answer:

the total distance walked is 20 km

Step-by-step explanation:

The computation of the total distance he walked is shown below:

Let us assume the total distance walked be d

Now the total time would be

Total time = (d ÷ 2) ÷ 8 + (d ÷ 2) ÷ 5 = 3.25

d ÷ 16 + d ÷ 10 = 3.25

(5d + 8d) ÷ 80=3.25

13d = 260

d = 20 km

Hence, the total distance walked is 20 km

5 0

3 years ago

Verify a÷(b+c)not equal(a÷b)+a÷c for each of the following values of a, b and c

just olya [345]

Answer:

a) and b) satisfied the condition of the given equation.

Step-by-step explanation:

Given: $\frac{a}{(b + c)}$ ≠ $\frac{a}{b}$ + $\frac{a}{c}$

Then,

$\frac{a}{(b + c)}$ ≠ $\frac{(ac + ab)}{bc}$

a) For a = 21, b = 4 and c = -2, then we have;

$\frac{21}{(4 + (-2))}$ ≠ $\frac{(21*-2 + 21*4)}{4*-2}$

$\frac{21}{4 - 2}$ ≠ $\frac{(-42 + 84)}{-8}$

$\frac{21}{2}$ ≠ $\frac{42}{-8}$

$\frac{21}{2}$ ≠ $-\frac{21}{4}$

Therefore the condition of the given equation is satisfied.

b) For a = 1, b = 10 and c = 1, then we have:

$\frac{1}{(10 + 1)}$ ≠ $\frac{(1*1 + 1*10)}{10*1}$

$\frac{1}{11}$ ≠ $\frac{(1 + 10)}{10}$

$\frac{1}{11}$ ≠ $\frac{11}{10}$

Therefore the condition of the given equation is satisfied.

5 0

3 years ago

Question Write an equation of the line that passes through (1, −2) and is parallel to the line y=7x+7. An equation of the parall

yaroslaw [1]

Answer:

Step-by-step explanation:

7 = (y+2)/(x-1)

Parallel lines have equal slopes.

You can "massage" the form into any form you need.

3 0

2 years ago

What is 7/8 of an hour

Travka [436]

7/8 would be 52.5 minutes

5 0

3 years ago

All the number sets that apply to -4/5

Sophie [7]

-8/10,-12/15,-16/20,-20/25,-24/30,etc.

4 0

3 years ago