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Hoochie [10]
4 years ago
15

Solve the equation 9x-9x²=3+x+x².

Mathematics
1 answer:
scZoUnD [109]4 years ago
7 0

My answer is in the pic

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Katy and Jane construct a four-sided wall to surround their castle. The wall has a perimeter of
PilotLPTM [1.2K]

Answer:

The correct length is <em>34 feet</em>.

Step-by-step explanation:

Let us assume that the wall created is a rectangle <em>ABCD</em> as shown in the attached image.

We know that opposite sides of a rectangle are equal.

<em>Perimeter</em> of a <em>closed figure is calculated by adding all the sides of the figure</em>.

Here, from the figure, the perimeter is : AB + BC + CD + DA

AB and CD are equal to length.

BC and DA are equal to width.

So,

Perimeter = 2 \times (length + width) ....... (1)

Here, we are given that <em>perimeter </em>is 100 feet and <em>width</em> = 16 feet

Putting values in equation (1):

100 = 2 \times (16 + length)\\\Rightarrow 50 = 16 + length \\\Rightarrow length = 34 feet

Hence, length is 34 feet.

5 0
3 years ago
3x-2y-7x+y can you explain how to do this please
konstantin123 [22]
3x - 2y - 7x + y

Rearrange the terms

3x - 7x - 2y + y

Add like terms

-4x - y
8 0
3 years ago
If y=2ln(x2+2)y=2ln⁡(x2+2), find the equation of the tangent line to the curve at x=4x=4.
Gwar [14]
Y=21n(x2+2)y=21n(x2+2)
21n(x2+2)(y-1)=0
n=0, x=i/2-i/2, y=1
8 0
4 years ago
Boris buys candy that costs $7 per pound. He will spend at least $63 on candy. What are the possible numbers of pounds he will b
IgorLugansk [536]

Answer:

Anything above 9

Step-by-step explanation:

63/7=9

5 0
3 years ago
The polynomial below is a perfect square trinomial of the form A2 - 2AB + B2.
sertanlavr [38]
Yes the statement is true.
8 0
3 years ago
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