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labwork [276]
3 years ago
7

2abc-3ab if a=2, b=-3, c=2

Mathematics
1 answer:
Elden [556K]3 years ago
5 0
So a=2 since a is next to the first 2 it would be 2x2 which equals 4 next it’s B and B= -3 so -3x4 equals -12 and then c also equals 2 so it would be -12x2 and that equals -24. Moving on to the next part as I said a=2 so it would be 3x2 and that equals 6 next it’s B again so 6x -3 equals -18 so now take -24 and -18 and subtract them and you would get -6. Sorry if this answer is wrong I did my best...hope it helped.
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A wire is in the shape of a rectangle of length 14cm. Find its breadth if the same wire is re- bent into a square of side 13cm.
lara [203]
Length= 40cm

Breadth= 22cm

Perimeter of the rectangle= Length of the wire

=2(l+b)= 2(40cm + 22cm)

=2\times62cm = 124cm

Now, the wire is rebent into a square.

Perimeter= 124cm

4\times side=124

Therefore side= \frac{124}{4}cm= 31cm

So, the measure of each side= 31cm

Area of rectangular shape= l\times b

=40cm\times22cm

=880cm^2

Area of a square shape= \left(Side\right)^2

=\left(31\right)^2=961cm^2

Since 961cm^2\ >\ 880cm^2

Hence, the square encloses more area.
7 0
2 years ago
Read 2 more answers
Which of them factored 12x^7 correctly?
slamgirl [31]
The one on the left
8 0
2 years ago
16) y=1/2sin (30 theta+ 90) + 1
katrin2010 [14]

Answer:

what i need to find there

Step-by-step explanation:

i only find y like an expression

Isolate the variable by dividing each side by factors that don't contain the variable.

y=sin(30t2hea+90)/2+1/16

4 0
3 years ago
How do you solve 11x=24+8x
fgiga [73]
First bring all the x's to one side.
then subtract them.
then divide 24 by 3 to get the x alone and get your answer.

11x-8x=24
3x=24
x=8

3 0
3 years ago
How do you do this? <br> Find M
Luden [163]

Answer:

Step-by-step explanation:

Let angle ABZ be angle 1 and angle ZBC be angle 2.

Angle 1 = 85 degree

Angle 2 = 6x + 9

measure of angle ABC = 24x+4

Angle 2 = ABC - 85

6x + 9 = 24x + 4 - 85

6x - 24x = 4 - 85 - 9

-18x = -90

x = -90/-18 = 90/18 =

x = 5

Therefore the measure of angle 2 = 6*5 + 9 = 30+9 = 39 degree

Therefore the measure of angle ZBC = 39 degree

Hope you understand

Please mark as brainliest

Thank You

3 0
3 years ago
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