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Luden [163]
3 years ago
9

Factor the trinomial. x2 + x − 2

Mathematics
2 answers:
elena-14-01-66 [18.8K]3 years ago
6 0

Answer:

Is there anything that explains what x equals?

Step-by-step explanation:

Troyanec [42]3 years ago
6 0
(x+2) (x-1)
Is the answer
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X+3y=5<br> -2x-6y=-10<br><br> Solve using elimination
RSB [31]
Slimination
multiply first equaiton by 2
2x+6y=10
add to second equiaotn
2x-2x+6y-6y=10-10
0=0
this is true so therfor they are the same equaiton

so solve
x+3y=5
3y=-x+5
y=-1/3x+5/3

subsituter values for x and get valuse for y

if x=2 then y=1
3 0
3 years ago
Evaluate expressions-What should go in the blank spot
gladu [14]

Answer:

10

Step-by-step explanation:

0.08 {x}^{3}

0.08( {5)}^{2}

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4 0
3 years ago
Dina has a number cube that she uses for a game. The number cube has the shape of a triangular pyramid, with 4 faces numbered 1
yaroslaw [1]

Answer:

A) The relative frequencies in the table are reasonably close; C) The relative frequency of rolling an even number is 0.51.

Step-by-step explanation:

The relative frequencies given are at most 0.02 apart.  This means they are reasonably close.

The theoretical probability for each outcome would be 1/4, or 0.25; this means the theoretical probability of rolling an even number would be 0.50, not 0.51.

However, the relative frequency of rolling an even number would be 0.24+0.27 = 0.51.

Since the relative frequencies are reasonably close, the number cube is likely to be fair.

6 0
3 years ago
Read 2 more answers
Altogether how many legs do 30 cows have
Tresset [83]

Answer:

A cow possess 4 legs.

So, 30 of them will have 4 × 30= 120 legs

Option 3

6 0
3 years ago
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Rebecca is making bracelets to sell at a charity event. Each bracelet takes 1 1/4 of a foot of embroidery floss to make.If Rebec
Ivan

Answer:

12

Step-by-step explanation:

She has 15 feet of floss. 15/1.25 is 12.

Hope this helps!!

4 0
3 years ago
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