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morpeh [17]
3 years ago
15

Answer plz no try to hack me

Mathematics
1 answer:
agasfer [191]3 years ago
8 0

Answer:

8/2

Step-by-step explanation:

So you'll want to multiply the number of keys for each by the number below them. So 2/8 has 4 "x"s, so you'll want to multiply (2/8)*4 and so on.

4*(2/8)=1

4*(3/8)=12/8=>1.5

1*(4/8)=1/2

Add those all up to get 4, which is also 8/2.

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115.2 divided by 9.6
Monica [59]

Answer:

12

Step-by-step explanation:

6 0
3 years ago
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What is the additive identity for rational numbers?​
Vanyuwa [196]

Answer:

<h2><em><u>0</u></em></h2>

Step-by-step explanation:

<em><u>The rational number 0 is the additive identity for rational numbers</u></em><em><u>.</u></em>

<em><u>As</u></em><em><u>,</u></em>

<em><u>If</u></em><em><u> </u></em><em><u>we</u></em><em><u> </u></em><em><u>add</u></em><em><u> </u></em><em><u>any</u></em><em><u> </u></em><em><u>rational</u></em><em><u> </u></em><em><u>number</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>zero</u></em><em><u> </u></em><em><u>we</u></em><em><u> </u></em><em><u>get</u></em><em><u> </u></em><em><u>that</u></em><em><u> </u></em><em><u>number</u></em><em><u> </u></em><em><u>itself</u></em><em><u>.</u></em>

<em>E.g</em><em>.</em>

0 +  \frac{1}{2}  =  \frac{1}{2}

and

0 + ( -  \frac{5}{6} ) = ( -  \frac{5}{6} )

4 0
3 years ago
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Find all roots: x^3 + 7x^2 + 12x=0
Mars2501 [29]

Answer:

see explanation

Step-by-step explanation:

To find the roots factor the left side

x³ + 7x² + 12x = 0 ← factor out x from each term

x(x² + 7x + 12) = 0

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Equate each factor to zero and solve for x

x = 0

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x + 4 = 0 ⇒ x = - 4

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7 0
4 years ago
Write the equation of a line in general form with a point of (-3,0) and an undefined slope
horsena [70]

If the slope if is undefined, then the line is vertical.

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The general form of a line: Ax + By + C = 0.

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<h3>x + 3 = 0</h3>
5 0
3 years ago
given the function f(x)=-x^2+8x+9, state whether the vertex the represents a maximum or minimum point for the function
olga_2 [115]
If you had
ax^2+bx+c
a is the leading term
when a>0, the parabola opens up and therfor has a minimum point and no max since it goes up infinitely

when a<0, the parabola opens down and therefor has a maximum point and not min since it goes down infinitely

-x^2+8x+9
-1<0
opens down
has max
vertex=max
3 0
4 years ago
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