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devlian [24]
3 years ago
15

Silvia buys 12 steaks that are each 34 of a pound. she spends a total of $90 on steaks. what is the answer

Mathematics
1 answer:
denis23 [38]3 years ago
6 0
Can you tell me what the assignment is about? like what were yall learning a therm or just basics...
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Line CD contains A (4,6) and B (-2,6). The slope of the line CD is?
omeli [17]
The answer is zero because the line is completely horizontal
4 0
4 years ago
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Calculate the percentage change of a movie tickets of $6 is now $8?​
marin [14]

Answer:

33.33%

Step-by-step explanation:

Formula for calculating Percentage change =

<u>New Price - Old Price</u>     x <u>100</u>

         Old Price                        1

Where new price is $8

Old Price is $6

Step 2: Input the variables in the above formula

          <u>$8 - $6</u>    x    <u>100</u>

            $6                 1

        =   <u>$2</u>      x  100

             $6

= $0.333 x 100 =    33.33%

Percentage change  = 33.33%

4 0
3 years ago
4. Simplify.
timurjin [86]
4. You remove the brackets

Remember:
-a × -b = positive ab / +ab
a × b = positive ab / +ab
-a × b = negative ab/ -ab
a × -b = negative ab / -ab
Where ab is the product of the two numbers & - or + are the signs.

a) 5(2x+3y) -4(3x-5y)
= 10x + 15y -12x + 20y
= 10x - 12x + 15y + 20y
= -2x + 35y
= 35y - 2x [I've been told that most people prefer the positive number in front rather than the negative number]

b) x- 2(x+ 3y) -(2x+3y) -4(x+y)b
= x - 2x - 6y - 2x - 3y - 4x - 4y
= x - 2x - 2x - 4x - 6y - 3y - 4y
= -7x - 13y

c) 3(a + 2b -2) -2(2a - 5b - 1)
= 3a + 6b - 6 -4a + 10b + 2
= 3a - 4a + 6b + 10b - 6 +2
= - a + 16b - 4
= 16b - a - 4
7 0
3 years ago
A test is worth 100 points containing 38 problems. Each problem is either 2 points or 5 points. How many of each amount of point
RSB [31]

Answer:

So there are 8 five-point problems and 30 two-point problems

5 0
3 years ago
maria bought 7 boxes. a week later half of all her boxes were destroyed in a fire. there are now only 22 boxes left. with how ma
VashaNatasha [74]

Answer:

29

Step-by-step explanation:

x=22+7

x=29

8 0
3 years ago
Read 2 more answers
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