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Andrei [34K]
2 years ago
8

(x+4)^2 - (x-6)^2 - (x-1)*(x+1)

Mathematics
1 answer:
Murrr4er [49]2 years ago
3 0

Answer:

-9

Step-by-step explanation:

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Please can someone show me how to do this. Thanks
Nadusha1986 [10]

Answer:

x equals 3.00cm

Step-by-step explanation:

Use Pythagoras' Theorem.

a = (14x-45)

b = (16x+27)

c = (25x)

Plug in the variables above into Pythagoras' Theorem that is, a^2+b^2=c^2.

Solve the resulting quadratic equation and reject the negative answer as length is always positive.

5 0
3 years ago
16)<br> 1420<br> 2x<br> A) 67<br> C) 68<br> B) 71<br> D) 73<br><br> What is the value of x???
larisa [96]

Answer:

x = 710

Step-by-step explanation:

1. Divide both sides by 2 to get x by itself

1420 = 2x

↓

1420 ÷ 2 = 2x ÷ 2

↓

710 = x

2. Switch sides

710 = x

↓

x = 710

I know it is not one of your options but that is the answer to 1420 = 2x

3 0
3 years ago
Solve the following.<br> 2x^2-7x-4/6x^2+7x+2&lt;0<br> Can someone explain how to solve this.
oksano4ka [1.4K]

Answer:

Which one have same variable gather or decrease up

Step-by-step explanation:

2x^2-4.6x^2=1.4x^2

-7x+7x=0

1.4x^2+2<0

x<0

4 0
3 years ago
Function p(x), shown below, is translated 10 units up to create function q(x).
natulia [17]

Answer: q(x) = 0.005(x - 40)² + 70

<u>Step-by-step explanation:</u>

f(x) = a(x - h)² + k   <em>where a is the vertical stretch and (h, k) is the vertex.</em>

Which coordinate shifts the graph up?<em> The y-coordinate for the vertex is k.</em>

p(x) = 0.005(x - 40)² + 60

q(x) = 0.005(x - 40)² + 60 <u>+ 10</u>

       = 0.005(x - 40)² + 70

3 0
3 years ago
Is each fraction in simples form? Write yes or no 2/4
shusha [124]
Hey there! :D

When a fraction is still divisible by a number, then it is not in it's simplest form. 

For example, 3/6. 

I know for a fact that 6/3=2 <== 3 is also divisible by itself. 

3/6 (3/3=1) (6/6=1) 

1/2 <== simplest form. 

Try the same with 2/4. 

4 is divisible by 2. 

4/2= 2

2/2=1

1/2 is the simplest form. 

I hope this helps!
~kaikers
8 0
3 years ago
Read 2 more answers
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