4 years ago

I need help asap!! pls

Mathematics

1 answer:

Nutka1998 [239]4 years ago

8 0

Sorry I need to see the top better

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Which expressions represent a difference of squares?

andrew-mc [135]

Answer:

$25 {x}^{2} - 36\\ 1-16x^2\\4x^2 - 12x + 9$

Step-by-step explanation:

$25 {x}^{2} - 36 \\ = ( {5x})^{2} - ( {6})^{2} \\$

4 0

3 years ago

Who knows how to solve these? I need help!!

Elina [12.6K]

1= 0.25
2=1.12
3= -075

4 0

4 years ago

Can someone please help me with this.

allsm [11]

Answer:

Step-by-step explanation:

Given expression is $|8-6 i|$ .

$|8-6 i|$ is a complex expression.

The value of<em> i </em>is –1.

By definition of absolute value, $|a+b i|=\sqrt{a^{2}+b^{2}}$

Now, substitute $|8-6 i|$ in the above formula.

$\Rightarrow|8-6 i|=\sqrt{8^{2}+(-6)^{2}}$ (since <em>i </em>= –1)

$=\sqrt{64+36}$ (since $8^{2}=64$ and $–6^{2}=36$ )

$=\sqrt{100}$ (Square root of 100 is 10)

= 10

Hence, the value of the expression $|8-6 i|$ is 10.

3 0

4 years ago

What number raised to another number equal 288

Licemer1 [7]

This answer us 16.97
you do square root of 288 and it will give you the answer of 16.97

7 0

3 years ago

a rectangular playground is 40 meters by 10 meters. its area will be covered with shredded tires. each bag of shredded tires cov

Lena [83]

First, we need to find the area of the rectangular playground.
To do this, we must multiply 40 by 10.
We get 400 meters².
Now divide 400 by 200 and you get 2.
That means 2 bags will be needed to cover the entire area of the playground.
To find the price, multiply 30 by 2.
The total cost for this project will be $60.
Hope this helped you out! :)

6 0

3 years ago