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Arte-miy333 [17]
2 years ago
6

2. Factorise: a - b - a + b2.square ​

Mathematics
1 answer:
marshall27 [118]2 years ago
7 0
A - a removes both a’s from equation, then you’re left with b + bsquared, since they are unknown values you cannot combine them, even if it is the same letter, you can only add and subtract unknown values with their same letters together.
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OMG JUST REALIZED I FORGOT TO PUT PICTURES THE FIRST 2 TIMES SO SORRY PLEASE HELP!
saul85 [17]

I got it now!

(hold your applause)

Area of the rectangle is 12 to the power of 2 (or you can just say squared) and that equals 144cm squared

the area of the circle is pi radius squared (in this case radius is 3) and it equals 9 pi squared

to get the shaded area that is last over with the circles removed you would have to do (144)-(9pi) (this part is unachievable without a calculator that has the pi symbol to fill in instead of just writing 3.14) and after you get the answer of that which is 115.725666118

and that amount you must do the same with so it would be

(115.725666118)-(9pi) and that equals ...............

87.4513322357

(you may now applaud)

5 0
3 years ago
Which number line shows an integer and its opposite?
emmasim [6.3K]

Answer:

B

Step-by-step explanation:

An integer is a whole number (not including 0).  An integer's opposite can be found by adding a negative sign to the front of it.  A negative integer's opposite would be positive, while a positive integer's opposite would be negative.  

7 0
2 years ago
Someone please help <br> WILL GIVE BRAINLIEST
Flauer [41]

Answer:

y=3x+1

Step-by-step explanation:

I'm very bad at explaining things so im sorry if this doesn't make any sense

the y axis goes up

the x axis goes sideways

to fill in the "y = ____x+_____"

you find a point on the line, see how far up it is from 0,0 and put that in the first blank space, in this case its 3. then you find how much it goes over on the x axis. in this case its 1 over. so you would put 1.

3 0
3 years ago
-x + 3 = 7<br><br> X=-4<br> X= 7<br> X= 4<br> X = -7
vladimir2022 [97]

Answer:

x = -4

Step-by-step explanation:

Step 1: Write equation

-x + 3 = 7

Step 2: Solve for <em>x</em>

  1. Subtract 3 on both sides: -x = 4
  2. Divide both sides by -1: x = -4

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

-(-4) + 3 = 7

4 + 3 = 7

7 = 7

6 0
3 years ago
Simon has 20 quarters and 12 dimes. He wants to purchase ice cream for his friends. An ice cream cone costs $1.00. How many cone
yaroslaw [1]

Answer:

6 cones

Step-by-step explanation:

20/4 = 5 :because 4 quarters in a dollar

then 12/10= 1 1/5 : because 10 dimes are in a dollar there would be 20 cents left

6 0
3 years ago
Read 2 more answers
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