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kifflom [539]
3 years ago
9

Venita is factoring the expression 32ab-ab. She determines the GCF and writes the factored expression as 8b(4a-0) Which best des

cribes Venita’s error? (a)She incorrectly determined the GCF. (B)She subtracted the GCF from the second term in the expression instead of dividing. (C)She divided the GCF into the first term in the expression instead of subtracting. (D)
She divided each piece of the expression by different factors.
Mathematics
2 answers:
Ymorist [56]3 years ago
7 0
A) she incorrectly determined the GCF.

The GCF of 32ab - ab would be ab, not 8b.
kari74 [83]3 years ago
7 0

Answer:

A

Step-by-step explanation:

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A $525 speaker now sells for $393.75. Find the percent of change.
antiseptic1488 [7]

Answer: 25%

Step-by-step explanation:

595 - 393.75 = 131.25

131.25 (amount of change)/ 525 (original amount) x 100%

= 25%

8 0
3 years ago
Pleaseee helppp with thissss asapppp
Natasha2012 [34]

As we know that the standard equation of circle is {\bf{(x-h)^{2}+(y-k)^{2}=r^{2}}} , where <em>r</em> is the radius of circle and centre at <em>(h,k) </em>

Now , as the circle passes through <em>(2,9)</em> so it must satisfy the above equation after putting the values of <em>h</em> and <em>k</em> respectively

{:\implies \quad \sf \{2-(-1)\}^{2}+(9-5)^{2}=r^{2}}

{:\implies \quad \sf (3)^{2}+(4)^{2}=r^{2}}

{:\implies \quad \sf 9+16=r^{2}}

After raising ½ power to both sides , we will get <em>r = +5 , -5</em> , but as radius can never be -<em>ve</em> . So <em>r = +</em><em>5</em><em> </em>

Now , putting values in our standard equation ;

{:\implies \quad \sf \{x-(-1)\}^{2}+(y-5)^{2}=(5)^{2}}

{:\implies \quad \bf \therefore \quad \underline{\underline{(x+1)^{2}+(y-5)^{2}=25}}}

<em>This is the required equation of </em><em>Circle</em>

Refer to the attachment as well !

8 0
2 years ago
Correct answers gets most brainiest!! :)
podryga [215]
Hello :)

Answer: x=11

Measure angel BAD= 122

Explanation:

To find X you have to make an equation

10x-49=5x+6

And then you solve for x

To find the angel measure of BAD, you have to add bac and cab to get bad

Bac= 10(11)-49 which equals 61

Cab= 5(11)+6=61

61+61= 122

Which is the measure of BAD

I hope this helps and have a wonderful rest of your night
6 0
2 years ago
I don’t know if it’s wrong or not
faltersainse [42]
I actually think that it is 50
5 0
3 years ago
What are 5 numbers that have 3 ,5 and 7 as prime factors
Leya [2.2K]
The 5 number that have 3 ,5 and 7 as prime number are 23, 31, 37, 43, 53. and if you want there 57,47, 103.
4 0
3 years ago
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