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xeze [42]
2 years ago
9

How do I solve this?

Mathematics
1 answer:
Elena L [17]2 years ago
3 0
Lets x = number of books read in that month

2x + 40 = 3x +35
3x - 2x = 40 -35
x = 5

answer is H. 5

You got it right
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How many positive odd factors of 48 are greater than 2 and less than 10
Alexeev081 [22]

Answer:

Just 1 positive, odd factor

Step-by-step explanation:

48 has many factors. But not many odd factors. Only 3 is odd and bigger than 2 and less than 10.

So, just one odd, positive factor.

7 0
2 years ago
Derive this identity from the sum and difference formulas for cosine:
DiKsa [7]

Step-by-step explanation:

½ [cos(a − b) − cos(a + b)]

Using sum and difference formulas:

½ [cos a cos b + sin a sin b − (cos a cos b − sin a sin b)]

Distribute the negative:

½ (cos a cos b + sin a sin b − cos a cos b + sin a sin b)

Combine like terms:

½ (2 sin a sin b)

Simplify:

sin a sin b

4 0
3 years ago
Algebra 2 , what is 3x to the second power +5=
polet [3.4K]

Answer:

125

Step-by-step explanation:

5 to power 3 is 5 times itself thrice, or 5x5x5. 5x5=25, and 25x2=125. The value of 5 to power of 3, is 125 or 5x5x5!

3 0
3 years ago
The table shows the width and length of different pictures that Katie has enlarged for the school yearbook: Enlarged Pictures Wi
notka56 [123]

24 inches is i am not mistaking

6 to 12 is +6

12 to 18 is +6

so 18 to 24 is +6

6 0
3 years ago
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Help me ;)<br><br> 9x-7i &gt;3(3x-7u)
uranmaximum [27]

Answer:

u>\frac{3x}{7}-\frac{9x-7l}{21}

 

Step-by-step explanation:

3 0
2 years ago
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