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KiRa [710]
3 years ago
8

Which expression is equivalent to 10x-2x? A: 8x² B: x² C: -10x²+2x D: 10x²-2x

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
6 0
C is the answer because if you think about it just put -2 but  the equivalent is -10
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How do I evaluate this expression ? <br> (-10)-(-11)-10
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Using the PEMDAS method will allow you to solve the expression. First, (-10)-(-11)= 1. Then you would subtract the -10 which would give you -9 as your full answer!
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Why did populist party want to have a silver standard instead of a gold standard?
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Which represents the solution(s) of the graphed system of equations, y = x2 + x – 2 and y = 2x – 2? (–2, 0) and (0, 1) (0, –2) a
Luda [366]

ANSWER

(0,-2), (1,0)

EXPLANATION

The first equation is

y =  {x}^{2}  + x - 2

The second equation is

y = 2x - 2

We equate both equations to get,

{x}^{2}  + x - 2 = 2x - 2

{x}^{2}  + x - 2x - 2 + 2 = 0

Simplify

{x}^{2}  - x = 0

Factor

x(x - 1) = 0

Either

x = 0

Or

x - 1 = 0

x = 1

Put x=0 or x=1 into the second equation to get,

y =   2(0) - 2 =  - 2

Or

y =   2(1) - 2 =  0

Therefore the solutions are;

(0,-2), (1,0)

3 0
3 years ago
Read 2 more answers
What is the volume of a hemisphere with a radius of 30.8 cm, rounded to the nearest tenth of a cubic centimeter?
den301095 [7]
61194.2707cm³
I suck at rounding so this is the answer not rounded
4 0
3 years ago
Please hellp I’m really confused
Viefleur [7K]

Answer:

Start at the origin and plot the points.

Step-by-step explanation:

For A, start at the origin and then go 4 units to the left.

For B, start at the origin and then go 4 units up.

For D, start at the origin and then go 4 units to the right.

For C, start at the origin and then go 4 units down.

6 0
2 years ago
Read 2 more answers
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