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77julia77 [94]
3 years ago
11

Can u plz help me?...

Mathematics
1 answer:
Westkost [7]3 years ago
3 0

Answer:

a  4 1/5

b  7 7/24

Step-by-step explanation:

a  7/9 * 5 2/5

Change the mixed number to an improper fraction

7/9 * (5*5+2)/5

7/9 * 27/5

Rewrite

7/5 * 27/9

7/5 * 3

21/5

Change this back to a mixed number

5 goes into 21 4 times  (4*5 = 20 ) with 1 left over

4 1/5


b  1 3/4 * 4 1/6

Change to improper fractions

(4*1+3)/4  * (6*4+1)/6

7/4 * 25/6

175/24

Change back to a mixed number

24 goes into 175 7 times  (7*24 =168 ) with 7 left over

7 7/24

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Natalka [10]

Answer:

B

Step-by-step explanation:

There are no repeating values for x, for different values plugged in for y.

3 0
3 years ago
The inequality below compares two rational numbers. -8/18 > -17/27
astraxan [27]

Answer:

I have provided it below

Step-by-step explanation:

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6 0
3 years ago
The net of a prism is shown below.
Sliva [168]

Answer:

nothing is there

Step-by-step explanation:

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3 years ago
What is the multiplicative inverse 23/7?​
Elena-2011 [213]

Answer:

7/23

Step-by-step explanation:

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3 years ago
Write a polynomial that represents the area of the shaded region
marusya05 [52]
<h3>Answer: x^2-3x+36</h3>

=========================================

Explanation:

The larger rectangle has area of (x+1)(x+1) = x^2+2x+1 through the use of the FOIL rule or distribution

If you use distribution, then it might help to let y = x+1 so we'd have y(x+1) lead to xy+1y which becomes x(x+1)+1(x+1). From there it might be easier to see how to get x^2+2x+1 after everything distributes again and simplifies.

The smaller rectangle has area 5x-35 which is found by distributing 5(x-7)

To get the shaded area, we subtract the two rectangle areas found above

shaded area = (larger area) - (smaller area)

shaded area = (x^2+2x+1) - (5x - 35)

shaded area = x^2+2x+1 - 5x + 35

shaded area = x^2-3x+36

6 0
3 years ago
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