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maksim [4K]
3 years ago
9

4a + 7b + 3a – 2b + 2a

Mathematics
1 answer:
zzz [600]3 years ago
4 0
9a plus 9b equals 81
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A- 13<br> B- 26 <br> C- 52<br> D- there is not enough information
NISA [10]
The answer is A, 13. Since we know line DB is a median (the middle), it tells us that line BC must equal line AB. Simply just do 26/2.
6 0
3 years ago
The blueprint of a rectangular house is 2.5 inches by 1.5 inches. If the scale is 1:20, what is the perimeter of the actual hous
defon

Answer:

160

Step-by-step explanation:

(2.5 x 2)+(1.5 x 2) =8      (perimeter of scale)

8x20 = 160

4 0
3 years ago
Evaluate the expression: 2x + 7 - 3x, when x = 2
Galina-37 [17]
2(2)+7-3(2)=
4+7-6= 5
your answer is 5
4 0
3 years ago
Read 2 more answers
Evaluate.
Daniel [21]

Answer:

  d)  192

Step-by-step explanation:

Your calculator can do this for you.

Or, you can simplify to

  12\cdot\dfrac{4^{-2}}{4^{-4}}=12(4^{-2+4})=12(4^2)=192

3 0
3 years ago
25 POINTS PLEASE HELP I BEG YOU!!
Nezavi [6.7K]

Answer:

13 slices, 3/10 inches left.

Step-by-step explanation:

10 divided by 3/4 = 10 divided by .75

10 divided by .75 = 13.3

13 slices, .3 inches (3/10) leftover

3 0
3 years ago
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