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Hitman42 [59]
3 years ago
10

Simplify the expression z2-z(z+3)+3z

Mathematics
1 answer:
Maslowich3 years ago
8 0
<span>z2-z(z+3)+3z
=> z2 - z2 - 3z + 3z 
=> 0 
we can cancel the like terms if they have different signs ..

Hope it helps !!</span>
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$15.40 for 3.5 Ibs of gummy bears and $7.65 for 1.8 Ibs of gummy bears.
Ipatiy [6.2K]

Answer:

15.40/3.5=$4.40 dollars a pound

7.65/1.8=$4.25 dollars a pound

Step-by-step explanation:

divide to get the unit price

so 7.65/1.8=$4.25 dollars a pound is the cheaper unit as well.

5 0
3 years ago
because the angles in a rectangle are 90 degrees it is not a parallelogram true or false? please explain why
ra1l [238]
<span>A parallelogram is a 4-sided shape where opposites sides are parallel. A rectangle is a special case of a parallelogram. All rectangles are parallelograms.

But a rectangle is a shape where opposites sides are parallel *and* all the corners are 90 degree angles. So you can't say that all parallelograms would be rectangles. Some parallelograms would be rectangles, but not all.

Rectangles are a subset of the shapes called parallelograms. But parallelograms are *not* a subset of the shapes called rectangles.

It's similar to saying all cars are vehicles. But you can't say that all vehicles are cars. </span>
6 0
4 years ago
Find the value of x in the equation 3(2x-4)-5(x-2)=1
Lyrx [107]

Answer:

x=3

Step-by-step explanation:

3(2x−4)−5(x−2)=1

Step 1: Simplify both sides of the equation.

3(2x−4)−5(x−2)=1

(3)(2x)+(3)(−4)+(−5)(x)+(−5)(−2)=1(Distribute)

6x+−12+−5x+10=1

(6x+−5x)+(−12+10)=1(Combine Like Terms)

x+−2=1

x−2=1

Step 2: Add 2 to both sides.

x−2+2=1+2

x=3

4 0
3 years ago
URGENT 50 POINTS WILL MARK BRAINLIEST HELP Mary plans to put carpeting in her house.
fredd [130]

Answer:

225 ft^2

please give branliest if you do so please

Step-by-step explanation:

(12*10)+(5*5)+(8*10)

120+25+50

225

7 0
3 years ago
Read 2 more answers
What is 12,140 X 4.0
kondor19780726 [428]

Answer: 48560

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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