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yanalaym [24]
3 years ago
12

PLEASE HELP 3(3x+5) Using x=5

Mathematics
1 answer:
-Dominant- [34]3 years ago
3 0

Answer:

60

Step-by-step explanation

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6h^5+0h^4-12h^3+0h^3+0h=0
aliya0001 [1]
<h2>The value of h = 0,  ± \sqrt{2}</h2>

Step-by-step explanation:

We have,

6h^5+0h^4-12h^3+0h^3+0h=0

To find, the value of h = ?

∴ 6h^5+0h^4-12h^3+0h^3+0h=0

⇒ 6h^5 + (0)h^4 - 12h^3 + (0)h^3 + (0)h = 0

⇒ 6h^5 + 0 - 12h^3 + 0 + 0 = 0

⇒ 6h^5  - 12h^3 = 0

Taking 6 h^3 as common, we get

6h^3(h^2-2) = 0

⇒6h^3 = 0 or,   h^2 - 2 = 0

⇒ 6h^3 = 0 ⇒ h = 0

⇒ h^2 = 2  

⇒ h = ± \sqrt{2}

Hence, the value of h = 0,  ± \sqrt{2}

7 0
4 years ago
If A2 + B2 = A2 + X2, then Bequals
Softa [21]

Answer:

B = ±X

Step-by-step explanation:

A^2 + B^2 = A^2 + X^2

Subtract A^2 from each side

A^2-A^2 + B^2 = A^2-A^2 + X^2

B^2 = X^2

Take the square root of each side

sqrt(B^2) = ±sqrt(X^2)

B = ±X

6 0
3 years ago
Read 2 more answers
Does dose anyone know how to solve this?
solniwko [45]

Answer:

Width of rectangle = 6 m

Length of rectangle = 11 m

Step-by-step explanation:

Let width of rectangle = w

Length of rectangle = 3w-7

Area of rectangle = 66 m²

We need to find length and width of rectangle

The formula used is: Area=Length \times Width

Putting values and finding w

Area=Length \times Width\\66=(3w-7)(w)\\66=3w^2-7w\\3w^2-7w-66=0\\

Solve using quadratic formula: w=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

We have a=3, b=-7, c=-66

Putting values and finding w

w=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\w=\frac{-(-7)\pm\sqrt{(7)^2-4(3)(-66)}}{2(3)}\\w=\frac{7\pm\sqrt{49+792}}{6}\\w=\frac{7\pm\sqrt{841}}{6}\\w=\frac{7\pm29}{6}\\w=\frac{7+29}{6}\:,\:w=\frac{7-29}{6}\\w=6, w=-3.6

We get values of w as w=6 and w=-3.6

As we know width cannot be negative, so considering w = 6

So, Width = 6

Length = 3w-7 = 3(6)-7 = 18-7 = 11

So, Width of rectangle = 6 m

Length of rectangle = 11 m

6 0
3 years ago
Expand the following <br> b) 3(2x + 3)
oee [108]

Answer:

6x+9

Step-by-step explanation:

3 x 2x =6x

3x3=9

=6x+9

7 0
2 years ago
Read 2 more answers
Write a scenario that could work for the following line of best fit y= x + 1 explain the slope and Intercept in this context
puteri [66]
A kid has $1 and he receives $1 everyday after doing his homework. So the initial money that he has is the y-intercept and the money that he receives everyday is the slope.

Hope this helps :)
6 0
4 years ago
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