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3 years ago

Factorise: t3+t2+t+1

Mathematics

1 answer:

zloy xaker [14]3 years ago

7 0

T6+1. you just need to add the same factors (T in this example) and since 1 doesn't have a "friend" it will be alone

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Add the equations. 2x-3y = -1 + 3x + 3y= 26

hichkok12 [17]

Answer:

The answer in the procedure

Step-by-step explanation:

we have

2x-3y=-1 ----> equation A

3x+3y=26 --> equation B

Solve the system by elimination

Adds equation A and equation B

2x-3y=-1

3x+3y=26

----------------

2x+3x=-1+26

5x=25

x=25/5

x=5

Find the value of y

substitute the value of x in equation A or equation B and solve for y

2(5)-3y=-1

10-3y=-1

3y=10+1

y=11/3

8 0

3 years ago

Lithium, sodium and potassium are very reactive metals found in Group 1 on the..

Alex777 [14]

Answer:

Answer is C

Step-by-step explanation:

This is because Lithium =2.8.1

Sodium=2.8.8.1

Valence electron is the electron located in the last shell

Hope this is correct and helpful

HAVE A GOOD DAY!

4 0

3 years ago

Read 2 more answers

I need help ........... here’s a picture of the question

cricket20 [7]

Answer:

The answer is B. m∠ POS + m∠ POR = 180

step-by-step explanation:

Because if you already know that m∠POQ equals 90 because it is a right angle

Then all you have to do is take 90 from 180 which is 90 then divide 90 by two which is 45

now you have the measurement for the two acute angles 45

which makes m∠POS = 45 and m∠QOR =45

NOW YOU HAVE TO ADD 90 AND 45 AND 45 ALL TOGETHER THEN YOU WILL HAVE 180

4 0

4 years ago

Write the equation of the line that passes through the points (3, 1) and (-2, 6).

tia_tia [17]

Answer:

Equation is Y=mx+c (that's how I know it, it may differ)

Step-by-step explanation:

First get the slope which is M and you just gotta do the second y - the first y from the brackets and divide them by the second x - the first x

6-1 /-2-3 = 5/-5

= -1

So now u gotta find c, C= Y-mx

And u have got two brackets, which have an x and y, and u now have m.

Pick one of the brackets like (-2,6) and put them in the equation so it will be : C =6+1*-2

So C =4

The equation now is : Y = - 1x + 4

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2 years ago

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AnnyKZ [126]

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3 years ago