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3 years ago

Is -1/125 a terminating or repeating decimal is -7/60 a terminating or repeating decimal

Mathematics

2 answers:

laiz [17]3 years ago

6 0

Answer:

-1/125 is a terminating decimal. -7/60 is a repeating decimal.

Step-by-step explanation:

When you convert -1/125 into a decimal, you get − 0.008.

When you convert -7/60 into a decimal, you get − 0.11 6.

harina [27]3 years ago

6 0

Answer:

-1/125 is a terminating decimal, -7/60 is a repeating decimal.

Step-by-step explanation:

-1 divide by 125 equals exactly -0.008 and stop there.

-7 divide by 60 equals -0.116 six repeating.

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If f(x) = x + 4 and g(x)=x^2-1, what is m(g o f)(x)?

Andreas93 [3]

Until now, given a function f(x), you would plug a number or another variable in for x. You could even get fancy and plug in an entire expression for x. For example, given f(x) = 2x + 3, you could find f(y2 – 1) by plugging y2 – 1 in for x to get f(y2 – 1) = 2(y2 – 1) + 3 = 2y2 – 2 + 3 = 2y2 + 1.

In function composition, you're plugging entire functions in for the x. In other words, you're always getting "fancy". But let's start simple. Instead of dealing with functions as formulas, let's deal with functions as sets of (x, y) points:

Let f = {(–2, 3), (–1, 1), (0, 0), (1, –1), (2, –3)} and

let g = {(–3, 1), (–1, –2), (0, 2), (2, 2), (3, 1)}.

Find (i) f (1), (ii) g(–1), and (iii) (g o f )(1).

(i) This type of exercise is meant to emphasize that the (x, y) points are really (x, f (x)) points. To find f (1), I need to find the (x, y) point in the set of (x, f (x)) points that has a first coordinate of x = 1. Then f (1) is the y-value of that point. In this case, the point with x = 1 is (1, –1), so:

8 0

3 years ago

Read 2 more answers

What are the values of AB and DE in parallelogram ABCD? AB=? PLEASE HELP

GarryVolchara [31]

Answer:

AB=12

ED=6

Step-by-step explanation:

AB=CD=12

BC=AD=26

ED=26-20=6

5 0

3 years ago

Use the Pythagorean Theorem to find an approximate value of x

kozerog [31]

Answer:

Step-by-step explanation:

Hypotenuse² =base² + altitude²

(3x + 4)² = (2x + 1)² + (3x)²

{Use (a+b)² = a² + 2ab + b²}

(3x)² + 2*3x+4 + 4² = (2x)² + 2*2x*1 + 1² + 9x²

9x² + 24x + 16 = 4x² + 4x + 1 + 9x²

9x² + 24x + 16 = 13x² + 4x + 1

0 = 13x² + 4x + 1 - 9x² - 24x - 16

13x² - 9x² + 4x - 24x +1 - 16 = 0

4x² - 20x - 15 = 0

a = 4 ; b =-20 ; c = -15

D = b² - 4ac = (-20)² - 4*4*(-15) = 400 + 240 = 640

√D = √640 = 25.30

$x=\dfrac{-b+\sqrt{D}}{2a} \ ; \ x=\dfrac{-b-\sqrt{D}}{2a}\\\\\\x=\dfrac{20+25.30}{2*4} \ ; \ x=\dfrac{20-25.30}{2*4}\\\\\\x=\dfrac{45.30}{8} \ ; \ x =\dfrac{-5.30}{8}\\\\$

x = 5 .66 ; x = -0.66

Ignore x = -0.66 as length of a side cannot be negative

Answer : x = 5.66

7 0

3 years ago

Each child in the Smith family was given an orange cut into 8 equal sections. Each child ate 5/8 of the orange. After combining

sweet-ann [11.9K]

Every child was given a orange cut into 8/8 pieces, Each child ate 5/8 pieces leaving 3/8 pieces each. How many kids were in their family. So each kid has 3/8 so you would add up 3/8 + 3/8 until you get a whole number of three. Or you can multiply the 3/8 by 8 or 8/1 (same thing) and get 24/8 slices which would simplify down to 3 full oranges, so there would be 8 kids because 8 x 3 = 24.

6 0

3 years ago

HELP!!! vlogger who is just starting out made three videos. So far, she has 312 subscribers, who watched one, two, or all three

enot [183]

Answer:

116 more people

Step-by-step explanation:

Let a, b, c signify the numbers of subscribers who watched 1, 2, and 3 videos, respectively. So we can say that:

a +b +c = 312 this means that there are 312 subscribers, total

a +2b +3c = 740 this means that there were 740 total views

Next, deduct the double the first equation from the second.

(a +2b +3c) -2(a +b +c)

= (740) -2(312)

this will give us: c -a = 740 -624 = 116

Therefore, 116 more people watched all three videos than watched one video.

hope this helps

4 0

3 years ago