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amm1812
3 years ago
11

15 decreased by twice a number algebraic expression?

Mathematics
2 answers:
Reil [10]3 years ago
5 0
x-\ number\\\\twice\ a\ number:\\2x \\\\ Write\ it\ as\ a \ function: \\y=15-2x
labwork [276]3 years ago
4 0
15-2x
A number is a variable so use a letter like x for them
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When it comes to reducing that’s where I start having trouble for example 10/13x1/15= 10/65 but 10/65 not in lowest terms so I h
arlik [135]

Answer:

Step-by-step explanation:

Let's use your example as a starting point.  <em>Determine whether the same number will divide each 10 and 65 evenly</em>.  In this case, the answer is yes, and the number is 5.  10/5 = 2, and 65/5 = 13.  Thus, the fraction in lowest terms is 2/13.

6 0
3 years ago
Find the HCF and LCM of: x^3+27,2x^3-6x^2+18x,x^2-3x+9​
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Answer:

hcf:3x^3-6x^2+y^2-3x+54

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2 years ago
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Aleks04 [339]

Answer:

10

Step-by-step explanation:

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5 0
1 year ago
Read 2 more answers
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Lelu [443]
One expression u can use is 900÷30
Round 868 up to 900
and round 29 up is 30
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3 years ago
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59 miles here we use division
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