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telo118 [61]
4 years ago
8

Given a = 4, b = -2 and c = 8, evaluate ab - bc.

Mathematics
1 answer:
Studentka2010 [4]4 years ago
6 0

Answer:

8

Step-by-step explanation:

ab-bc

4 times -2, minus -2 times 8

-8, minus -16

Result: 8

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A tailor used 6 2/3 yards of fabric to make hats. The amount of fabric needed to make each hat is 5/6 yard. How many complete ha
vfiekz [6]

Answer: The tailor made 8 complete hats

Step-by-step explanation:

Amount of fabrics available to make hat = 6 2/3 yards

1 hat requires = 5/6 yards

Number of hat to obtain from the available fabric = Amount of fabrics available to make hat / requirement of 1 hat

=(6 2/3) / (5/6)

(20/3) / (5/6)

20/3 x 6/5 = cancelling out, we are left with

4x2= 8 hats

or

(20/3) / (5/6)

6.6666 /0.83333

= 8.00002= 8 hats

6 0
3 years ago
A customer at a concession stand bought 2 boxes of popcorn and 3 drinks for $12. Another customer bought 3 boxes of popcorn and
Alex_Xolod [135]

Answer:

Box of Popcorn: $3.00

Drink: $2.00

Step-by-step explanation:

If we input the prices into the original problem it would be something like this, (2)3.00 + (3)2.00 = $12.00 (3+3 = 6 and 2 + 2 + 2 = 6 6+6= 12) Or 2x + 3x = $12

And you would do the same thing for the second one.

(3)3.00 + (5)2.00 = $19.00 ( 3 + 3 + 3 = 9 and 2 + 2 + 2 + 2 +2 = 10 10+9= 19) Or 3x + 5x = $19

Sorry if it's incorrect but i hope it helps!

3 0
3 years ago
Which of the following numbers has the correct number of significant digits for the sum of 4.0125 and 5.72?
sladkih [1.3K]

Answer:

the answer to your question is 9.73

6 0
2 years ago
Read 2 more answers
PLEASE HELP ILL GIVE BRAINLIEST
Elza [17]
The answer should be b
6 0
3 years ago
The height of a right circular cone is multiplied by 3, but its radius
Romashka [77]
The correct answer is C.
3 0
3 years ago
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