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salantis [7]
3 years ago
7

Hiii i need ur help plz <3 <3

Mathematics
1 answer:
Svetach [21]3 years ago
5 0

Answer:

I don't knowuuuwuwuuwuwhehhehehe

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Find the area and perimeter of the shaded region. Stuck on this one can someone help me
alekssr [168]

Answer:

perimeter-

perimeter outer rectangle = 2 (l+b)

=2×8+9

= 2×17

2×17 =34 cm sq.

perimeter of inner rectangle = 2 (l+b)

= 2×5+3

=2× 8

= 16 cm sq.

perimeter of shaded portion= 34 - 16

= 18 cm sq.

area-

<em>area</em><em> </em><em>of</em><em> </em><em> </em><em>inner</em><em> </em> rectangle =l×b

l×b = 3×5

3×5=15

15 cm sq.

area of outer rectangle =l×b

l×b= 9×8

9×8= 72

72 cm sq.

area of shaded portion = 72 -15 =57 cm sq.

hey there! In second method i have done first area of inner rectangle but you have to do first area of outer rectangle...

hope it helps you....

3 0
3 years ago
Read 2 more answers
What does tanget mean in geometry?
jenyasd209 [6]
Tangent in geometry means: The tangent line <span>to a plane curve at a given point is the straight line that "just touches" the curve at that point.

Hope I helped!

- Amber
</span>
5 0
3 years ago
A cone and cylinder have the same type of base which is a rectangle? A) True. B) False
Mice21 [21]

Answer:

B) Falce

Step-by-step explanation:

Cylinder base is circle

7 0
3 years ago
Read 2 more answers
Write an equation to represent the number puzzle. Use x as the
k0ka [10]
<h3>The equation is:</h3><h3>x^2 - 7x + 12 = 0</h3><h3>The number is 3 or 4</h3><h3><em><u>Solution:</u></em></h3>

Given that,

7 added to the square of a number is equal to 7 times the number,  minus 5

Let "x" be the unknown number

From given,

7 added to square of x = 7 times the x minus, 5

7 + x^2 = 7x - 5

Solve the above equation

x^2 -7x +7+5 = 0\\\\x^2 - 7x + 12 = 0

Split the middle term

x^2 -3x - 4x + 12 = 0\\\\Group\ the\ expressions\\\\(x^2-3x) -(4x - 12)  = 0\\\\Take\ the\ common\ factor\ out\\\\x(x -3) -4(x -3) = 0\\\\(x-3)(x-4) = 0

We have two solutions

x - 3 = 0

x = 3

And

x - 4 = 0

x = 4

Thus number is 3 or 4

7 0
3 years ago
someone help me please for 12 points!!! the first five steps of a pattern are shown, what are the next three steps in the patter
prisoha [69]

The -9 stays the same the whole time but the other number being multiplied decreases by one each layer, so the next three would be:

-9 x -1 = 9

^^^ -1 is in the second multiplication slot bc 0 - 1 = -1

-9 x -2 = 18

^^^ -2 is in the second multiplication slot bc 0 - 2= -2

-9 x -3 = 27

^^^ -3 is in the second multiplication slot bc 0 - 3 = -3

***Remember that when you are multiplying two negative numbers the solution will be positive

Hope this helped!

5 0
3 years ago
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