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lianna [129]
3 years ago
14

I need help plz ASAP

Mathematics
1 answer:
HACTEHA [7]3 years ago
5 0
E*i¥+ 1 = 0 here’s my cat too
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Please help &lt; &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;33333333 TYY<br> -20 -8 + (-12)
Montano1993 [528]

Answer:

-30

Step-by-step explanation:

-20-8=-28

-28-12

=-30

5 0
2 years ago
Anyone know this will mark brain.....pic below..
Naddika [18.5K]

Answer:

15x + 30y - 220

Step-by-step explanation:

(30 \times  \frac{1}{2} x ) + (30 \times  - 2) + (40 \times  \frac{3}{4} y )+( 40 \times  - 4)

= 15x - 60 + 30y - 160

= 15x + 30y - 60 - 160 \\  = 15x  + 30y - 220

7 0
3 years ago
Please help if you want brianleist!! :) uhm don't mind update- NO LINkS child..
Kipish [7]

Answer:

5\frac{7}{8} is the answer.

Step-by-step explanation:

I added all the fractions up.

4 0
3 years ago
PLEASE ANSWER! Given the functions f(x) = x2 + 6x - 1, g(x) = -x2 + 2, and h(x) = 2x2 - 4x + 3, rank them from least to greatest
Ratling [72]

Answer:

<em>he rank from least to great based on their axis of symmetry: </em>

0, 1, -3 ⇒ g(x), h(x), f(x)

So, <em>option C</em> is correct.

Step-by-step explanation:

A quadratic equation is given by:

ax^2+bx+c =0

Here, a, b and c are termed as coefficients and x being the variable.

<em>Axis of symmetry can be obtained using the formula</em>

x = \frac{-b}{2a}

Identification of a, b and c in f(x), g(x) and h(x) can be obtained as follows:

f(x) = x^2 + 6x - 1

⇒ a = 1, b = 6 and c = -1

g(x) = -x^2 + 2

⇒ a = -1, b = 0 and c = 2

h(x) = 2^2 - 4x + 3

⇒ a = 2, b = -4 and c = 3

So, axis of symmetry in f(x) = x^2 + 6x - 1 will be:

x = \frac{-b}{2a}

x = -6/2(1) = -3

and axis of symmetry in g(x) = -x^2 + 2 will be:

x = \frac{-b}{2a}

x = -(0)/2(-1) = 0

and axis of symmetry in h(x) = 2^2 - 4x + 3 will be:

x = \frac{-b}{2a}

x = -(-4)/2(2) = 1

<em>So, the rank from least to great based on their axis of symmetry: </em>

0, 1, -3 ⇒ g(x), h(x), f(x)

So, <em>option C</em> is correct.

<em>Keywords: axis of symmetry, functions</em>

<em>Learn more about axis of symmetry from brainly.com/question/11800108</em>

<em>#learnwithBrainly</em>

7 0
4 years ago
Need help on 11-17 pls. Thank u
Licemer1 [7]
11) 58 degrees for both angles
12) 72 and 108 degrees (left to right)
14) b=-3/2
I don’t have the rest I’m sorry
3 0
1 year ago
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