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SIZIF [17.4K]
4 years ago
8

Simplify the expression. Show your work.

b)" alt="-3(4a-5b)" align="absmiddle" class="latex-formula">
Mathematics
1 answer:
neonofarm [45]4 years ago
5 0

Step-by-step explanation:

-3 (4a-5b)

=-3×4a -(-3×5b)

=-12a+15b

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find two consecutive odd intergers that twice the larger is fifteen more than three times the smaller
Svetach [21]

Answer:

11, 13

Step-by-step explanation:

an odd number can be represented by 2n+1

since they are consecutive, the larger odd number will be 2n + 1 + 2

now,

2(2n+3) = 2n + 1 +15

solving this eqn, we get n = 5

so the two numbers are (2n+1) = 11 and 11+2= 13

4 0
3 years ago
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<img src="https://tex.z-dn.net/?f=x-7%20%3D%2010" id="TexFormula1" title="x-7 = 10" alt="x-7 = 10" align="absmiddle" class="late
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3 0
3 years ago
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√x-3+5=x solve for x
umka21 [38]

Answer:

X= 7  I'm sure

Step-by-step explanation:

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4 0
3 years ago
A company makes desks, coffee tables, and corner tables. Each item uses units of wood, fabric, and stuffing.
Anastasy [175]

Answer: 50x+30y+5z= 690

              40x+15y+5z= 620

              45x+10y+5z= 510        

Step-by-step explanation: The first equation to find units of wood, the second is for the units of fabric, and the third is for the units of stuffing.

5 0
1 year ago
The table represents an exponential function.
Tpy6a [65]
TL;DR(too long didn't read): answer is 3/4


This question may look confusing, however, it is more easily understood once you see that the fractions appear to be changing more randomly than they are in a way you can recognize, however, they're not. Since they look like that it's because they're being multiplied by a fraction. Split the fractions into two to make it easier. 3/2 and 9/8, just look at them as '3' and '2' and '9' and '8'. 3 becomes 9. Which means either 6 was added or 3 was multiplied by 3. Compare to the next row, 27. 9-->27 can't be 6, so it's being multiplied by 3. Now for the bottom. 2 becomes 8, and knowing that the numerator of the fraction is being multiplied, so is the denominator then, so 2-->8 is 2 times 4. Put the numerator and denominator back together and you have 3/4. The answer is 3/4.
3 0
3 years ago
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