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lina2011 [118]
3 years ago
7

Solve four tenths plus four ninths.

Mathematics
2 answers:
Juliette [100K]3 years ago
7 0

Answer:

The answer is C

Step-by-step explanation:

4/10 and 4/9 do not have a common denominator so you have to find a common denominator the common denominator is 90 so then you have to find the new numerator 4/10 new fraction is 36/90 and the new fraction of 9/10 is 40/90 then you add them which you get your answer 76/90.

GaryK [48]3 years ago
3 0

Answer:

D

Step-by-step explanation:

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D+4/3D = 336 what is the number of d
ruslelena [56]

Answer:

12

Step-by-step explanation:

4 0
3 years ago
Help me:-
Vesnalui [34]

Answer:

20 + 4y

Step-by-step explanation:

The 4 multiplies the 5 and the y, i.e., it distributes over the terms of the expression in ( ).

5 0
2 years ago
Find all rational roots for p(x)=0
Olenka [21]

Answer

C. (5/2, -1/3)

Step by step explanation

Here we use the rational root theorem.

The possible roots are

+1, +3, +5, +15, +1/2, +3/2, +5/2, +15/2, +1/3, +5/3, +1/6 and +5/6

We have to use the synthetic division to find the correct root of this function.

Here the roots are 5/2 and -1/3

Others are not roots of this function.

Let's check x = 5/2  with synthetic division.

5/2)   6   -13   13   -39   -15

-               15    5    45    15

           --------------------------

             6     2   18     6     0

Similarly x = -1/3 is also root of this function.

Answer: C. (5/2, -1/3)


8 0
3 years ago
How do I solve equations with a variable to the power of something (give steps please)
lozanna [386]

Answer:

Step-by-step explanation:

Factoring will reveal the solution. So we divide the equation by the greatest common factor of the terms and use that factor as the coefficient. In this case the greatest common factor is just x.

2x^2+5x

x(2x+5) so the equation will equal zero when either of those expressions is zero because zero times anything is zero. x=0 and x=-5/2

5 0
2 years ago
Read 2 more answers
Betty had $40 in her pocket. She bought 12 identical bags of popcorn. Betty was left with $10 after buying the popcorn. What was
BartSMP [9]
If she started with $40 and ended up with $10, that means she must've used $30. Since the popcorn bags were all identical and she bought 12, you can divide 30 by 12 which gives you 2.5. 

The answer is $2.50.
6 0
3 years ago
Read 2 more answers
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