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bearhunter [10]
3 years ago
12

Pleaseeeeee help! I don’t understand and I just wanna go to sleep but this is due in 35 minutes

Mathematics
2 answers:
goblinko [34]3 years ago
8 0

We have: 2.(4x - 7)° + 2(11x - 8)° = 360°

So: 8x - 14 + 22x - 16 = 360°

<=> 30x - 30 = 360°

<=> 30(x - 1) = 360°

<=> x - 1 = 12

<=> x = 13°

We know: ∠G = ∠F = (11x - 8)° = ( 11.13-8)° = 135°

The answer: ∠G = 135°

Ok done. Thank to me :>

____ [38]3 years ago
7 0

Answer:

69

Step-by-step explanation:

it is 69 becuase 4x-7+11x-8 equals 69

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Am sorry for dripping but dripping is what i do
Bogdan [553]

Step-by-step explanation:

and one of these day I must get straigh and drip all over you

4 0
3 years ago
Read 2 more answers
Which inequality is true when x=7?​
a_sh-v [17]

Answer:

D

11 - x <_ 18

11 - 7 <_ 18

4 <_ 18 (4 is less than or equal to 18)

7 0
3 years ago
A parabola can be drawn given a focus of (4,-8) and a directrix of x = -4. What can be said about the parabola?
Pani-rosa [81]

Answer:

It opens to the right and the vertex is at  (0, -8).

The axis of symmetry is y = -8.

Step-by-step explanation:

The vertex is halfway between the directrix and the focus.  

The focus is to the right of the directrix so the curve will open towards the right. The axis of symmetry is the line y = -8.

6 0
3 years ago
Which statement is true? Question 1 options: A) – |–13| = 13 B) – |13| = 13 C) |–13| = 13 D) |13| = – 13
ExtremeBDS [4]

Answer:

The answer is C. |-13| = 13

Step-by-step explanation:

The definition of absolute value is:

\displaystyle \large{ |x|  =  \begin{cases} x \:  \: (x \geqslant 0) \\  - x \:  \: (x < 0) \end{cases}}

To say it simply, any real numbers in absolute sign, when evaluated, they will always be positive.

No matter the positive real numbers or negative real numbers - if these numbers are in absolute sign, they will be evaluated to positive.

<u>E</u><u>x</u><u>a</u><u>m</u><u>p</u><u>l</u><u>e</u><u>s</u>

\displaystyle \large{ |2|  = 2} \\  \displaystyle \large{  | - 2|   = 2} \\ \displaystyle \large{ | - 8|  = 8}

But if the negative is not inside the absolute sign.

<u>E</u><u>x</u><u>a</u><u>m</u><u>p</u><u>l</u><u>e</u><u>s</u><u> </u><u>I</u><u>I</u>

\displaystyle \large{ -  |2|  = -  2} \\  \displaystyle \large{ -   | - 2|   =  - 2} \\ \displaystyle \large{ -  | - 8|  =  - 8}

First, we evalute the absolute value first. We know thay any real numbers in absolute sign will become positive. Next, after evaluating the absolute value, we simply add the negative symbol beside the positive number.

<u>S</u><u>i</u><u>m</u><u>p</u><u>l</u><u>i</u><u>f</u><u>i</u><u>e</u><u>d</u><u> </u><u>D</u><u>e</u><u>f</u><u>i</u><u>n</u><u>i</u><u>t</u><u>i</u><u>o</u><u>n</u>

This one is to make it simple to remember.

\displaystyle \large{ |a|  = a} \\ \displaystyle \large{ | - a|  = a}  \\  \displaystyle \large{  - |a|  =  - a} \\  \displaystyle \large{  - |  -  a|  = -  a}

After reading the explanation, see the choices and tell if they are true or not.

The A choice is wrong as we know that -|-13| is -13.

The B choice is wrong, the reason is same as the A choice.

The C choice is correct! Any real numbers in absolute sign are always positive.

The D choice is wrong because absolute-value numbers cannot be negative, refer to the C choice's reason.

Let me know if you have any questions!

3 0
2 years ago
Need help ASAP pls. Need it asap
Strike441 [17]

Answer:

sin x = 39/89       cos x = 80/89     tan x = 89/80

Step-by-step explanation:

SOA  CAH  TOA

sin = opp/adj

cos = adj/hyp

tan = opp/adj

4 0
3 years ago
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