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Mashutka [201]
3 years ago
11

Please I really need help I know it is not A

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
6 0
The answer is D :DDDDDDDDDDD
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Find the product.<br><br> 2a2(5b2+3ab+6a+1)<br><br> PLEASE HELP!!!! ASAP!!!
Anon25 [30]

Answer:

10a^{2} b^{2} +6a^{3} b+12a^{3} +2a^{2}

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
explain why multiplying the numerator and denominator of a fraction by the same number results in an equivalent fraction
Tomtit [17]
Think:  You're treating the numerator and the denom. in precisely the same way.  In doing so you are NOT changing the value of the fraction, only the appearance.

Example:  start with 2/3.  Mult num. and den. both by 7:  14/21.

2/3 and 14/21 result in precisely the same decimal fraction, showing that the latter set of fractions is equivalent to the former set.

8 0
3 years ago
Which expressions are equivelent to 3 1/4 - (-5/8)
sertanlavr [38]

Answer:

<em>Fraction form=31/8 Decimal form=3.875 </em>

Step-by-step explanation:

<em>Convert the mixed numbers to improper fractions, then find the Least common denominator and combine</em>  

7 0
3 years ago
Five people each take the same number of candies from a jar. Then a group of seven people does the same: in so doing they empty
Vika [28.1K]

Answer:

Step-by-step explanation:

Let first group of people take x candies each

and second group of people take y candies each

5x + 7y will be total candies

5x +7y = 239 (needed to find positive solution of x,y)

now take x=38,  y =7

or x=31,   y= 12

hence lots of possibilities ,so we can not say exactly

3 0
2 years ago
Read 2 more answers
Supervisor a earns a flat rate of $25 per hour, while supervisor b earns $20 per hour for the first 30 hours and then 50% more f
mixas84 [53]
Let same number of hours = x, 
since the salary earned is also the same, then
Salary of supervisor A = $25x
Salary of supervisor B = $20(30)+$30(x-30)
Equating
25x=600+30(x-30)
30x-25x=900-600
5x=300
x=60 hours
Check:
Salary of supervisor A = 25*60=1500
Salary of supervisor B =  20*30+30*(60-30)=600+900=1500, ok.
5 0
3 years ago
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