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GaryK [48]
4 years ago
14

I need help with adding and subtracting fractions

Mathematics
2 answers:
solmaris [256]4 years ago
7 0
Answer is 3/72

multiply the denominator and numerator of 3/8 by 9 (27/72)
multiply the denominator and numerator of 3/9 by 8 (24/72)

this is to get the same denominator of 72

then just subtract 
27/72 - 24/72 = 3/72

balu736 [363]4 years ago
4 0
Answer:
The result is 1/24

Explanation:
First step is to get the common denominator:
The common denominator here will be 8*9 = 72
Therefore:
3/8 = 27/72
3/9 = 24/72

Second step is to do the subtraction:
27/72 - 24/72 = (27-24) / 72 = 3/72

The last step is to simplify the result:
3/72 = 1/24

Hope this helps :)
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All Parent functions have both x- intercepts and y-intercepts EXCEPT. I. Linear II. Absolute Value III.Quadratic IV. Cubic V.Squ
stealth61 [152]

Answer:

Reciprocal, Exponential and Logarithmic.

Step-by-step explanation:

x intercept is the value of x where y value is 0.

y intercept is the value of y where x value is 0.

Let us have a look at the possibility for <em>each parent function </em>as given.

I. Linear

y =x

When x = 0, y = 0 and

When y = 0, x = 0

Therefore, both x and y intercept exist.

II. Absolute value

y =|x|

When x = 0, y = 0 and

When y = 0, x = 0

Therefore, both x and y intercept exist.

III. Quadratic

y =x^{2}

When x = 0, y = 0 and

When y = 0, x = 0

Therefore, both x and y intercept exist.

IV. Cubic

y =x^3

When x = 0, y = 0 and

When y = 0, x = 0

Therefore, both x and y intercept exist.

V. Square root

y =\sqrt x

When x = 0, y = 0 and

When y = 0, x = 0

Therefore, both x and y intercept exist.

VI. Cube root

y =\sqrt[3]x

When x = 0, y = 0 and

When y = 0, x = 0

Therefore, both x and y intercept exist.

VII. Reciprocal

y =\dfrac{1}x

When x = 0, y \rightarrow \infty

Therefore, both x and y intercept do not exist.

VIII. Exponential

y =b^x

where b is any base:

When x = 0, y =1 therefore y intercept exists.

When we put y = 0, which is not possible

Therefore, both x and y intercept do not exist.

IX. Logarithmic

y =logx

When x = 0, y \rightarrow not defined

Therefore, both x and y intercept do not exist.

6 0
3 years ago
Which linear inequality is represented by the graph?<br> O y&gt;2/3x-2
DIA [1.3K]

Answer: x<6/2

Step-by-step explanation:

0y>2/3 x-2

You want to flip it

2/3 x-2<0

You want to add 2 to both sides

2/3 x-2+2<0+2

2/3x<2

You want to divide both sides by 2/3

2/3x < 2

-—— —

2/3 < 2/3

X<6/2

8 0
2 years ago
15. An equilateral triangle has side lengths that
lorasvet [3.4K]

Answer:

a) 3(1.2x - 8) or 3.6x - 24

b)

3(1.2x - 8) = 12

1.2x - 8 = 4

1.2x = 12

x = 12/1.2

= 10

5 0
2 years ago
PLEASE Help! <br><br> How much larger is 3 to the 5th power than 5 to the 3rd power?
grandymaker [24]
Well 3 to the 5th power is 243 and 5 to the 3rd power is 125 and 243-125 is 118
7 0
4 years ago
On Anne's bicycle, the ratio of pedal turns to rear-wheel turns in second gear is 4 to 7. If her rear wheel turns 833 times per
Komok [63]

Answer:

There are 476 pedal turn in one mile.

Step-by-step explanation:

We are given the following in the question:

Ratio of pedal turns to rear-wheel turns =

4:7

Number of wheel turns in one mile = 833

Let x be the number of pedal turns.

Thus, we can write:

\dfrac{4}{7}=\dfrac{x}{833}\\\\\Rightarrow x = \dfrac{833\times 4}{7}\\\\\Rightarrow x = 476

Thus, there are 476 pedal turn in one mile.

8 0
3 years ago
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