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3 years ago

What do they call a number that goes on forever?

2 answers:

5 0

You could say infinity, or infinite, but recurring is most used. for example, 3/10 converted to a percentage would be 33%, but as 33 × 3 doesn't go into 100 fully, we say 33.33% or 33.333%. the ".3"s could go on forever, which is why it's recurring.

Art [367]3 years ago

3 0

I believe they call it a recurring number, for example, infinity is a recurring number.

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Can somebody please help me?

9966 [12]

28+28+28= 84

28 x 28 x 28 = 21952

hope it helps!:)

4 0

2 years ago

Point Z on a coordinate grid is at (-1,3). If the point is reflected across the line y=-x, what are the coordinates of its image

Neko [114]

(-3,1)

x,y > -y,-x

Therefore (-1,3) is (-3,1)

4 0

4 years ago

show that thw roots of the equation (x-a)(x_b)=k^2 are always real if a,b and k are real. Please I really need help with this

VLD [36.1K]

Answer:

see explanation

Step-by-step explanation:

Check the value of the discriminant

Δ = b² - 4ac

• If b² - 4ac > 0 then roots are real

• If b² - 4ac = 0 roots are real and equal

• If b² - 4ac < 0 then roots are not real

given (x - a)(x - b) = k² ( expand factors )

x² - bx - ax - k² = 0 ( in standard form )

x² + x(- a - b) - k² = 0

with a = 1, b = (- a - b), c = -k²

b² - 4ac = (- a - b)² + 4k²

For a, b, k ∈ R then (- a - b)² ≥ 0 and 4k² ≥ 0

Hence roots of the equation are always real for a, b, k ∈ R

8 0

3 years ago

Please help: What is 4 1/4 divided by 3/4 equal?

Solnce55 [7]

4/3 because I typed in on my calculator

7 0

3 years ago

C.is decrease by 1 foot every 500 miles D. Is decrease by 1 foot every 1000 miles

Tasya [4]

Answer:

Option A

Step-by-step explanation:

Slope of a line passing through two points $(x_1,y_1)$ and $(x_2,y_2)$ is given by,

Slope = $\frac{y_2-y_1}{x_2-x_1}$

Line shown in the graph is passing through two points (2, 8000) and (4, 7000).

Therefore, slope of the given line = $\frac{8000-7000}{2-4}$

= -500 feet per mile

Which means, altitude decreases by 500 ft every mile.

(Negative sign represents the decrease)

Option A is the correct option.

4 0

3 years ago