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const2013 [10]
3 years ago
9

7Q. 12. Factorise the following expression:(a* - 22a2b2 + 121b4) - 289bo​

Mathematics
1 answer:
Alex3 years ago
8 0

Answer:

...........................

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I have three times as many cats as Alice but Bob has 7 less cats than me. In total we have 56 cats. How many cats do I have?
Nookie1986 [14]

The number of cats that you have is; 27 cats

<h3>How to calculate algebra word problems?</h3>

Let the number of cats alice has be x.

Since you have thrice the amount of cats that alice has, then you have 3x cats.

Bob has 7 less cats than you. Thus, bob has; 3x - 7

If they have a total of 56 cats, then;

x + 3x - 7 + 3x = 56

7x - 7 = 56

7x = 56 + 7

7x = 63

x = 63/7

x = 9

Thus, number of cats you have = 3x = 3 * 9 = 27 cats

Read more on algebra word problems at; brainly.com/question/13818690

4 0
3 years ago
Express 0.000000298 in scientific notation
Olenka [21]
The expression would be 2.98 * 10 to the -7 power? Please tell me if I'm wrong.
5 0
3 years ago
15pts for this question anyone?
Nookie1986 [14]

Answer:

5/3

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Simplify 7 -(-4) + 3(-6).<br> 0-7<br> 07<br> -9<br> 9
Contact [7]
It’s -7
7-(-4) is 7+4, which is 11
3 times -6 is -18
11 + -18 is -7
6 0
3 years ago
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A rectangular parking lot has a perimeter of 310 meters. The length is 5 meters more than 4 times the width. What’s is the lengt
max2010maxim [7]

Answer:

w=30  l=125

Step-by-step explanation:

Perimeter =2l+2w

p=310

w =width

4w+5 = length(4 times plus 5 the width)

2(4w+5) + 2w = 310

8w+10 = 2w =310

10w=300

w=30    

30*4=120    120+5=125    l=125

2(125)+ 2(30)=  250+60 =310

4 0
3 years ago
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