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abruzzese [7]
2 years ago
12

Add (x^2 − 4x +5) + (7x^2 +2x− 3) help me

Mathematics
2 answers:
ipn [44]2 years ago
5 0
I wrote to you on the leaflet the answer

I hope helped ^-^

have a nice day)

Ganezh [65]2 years ago
4 0
This is a puzzling question, so my answer is not 100%, but:
"<span>8 x^2 - 2 x + 2" is what I got. </span>
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If sin theta = -1/2 and lies in the third quadrant, what is the cos?
never [62]
Sin angle that equals the 1/2 value is the 30 degree on the 1st Quadrant.

The angle of 30 degree on the 3rd Quadrant is equivalent to (formula and circle in the 1st photo) 180 + 30 = 210°.

So theta = 210° (3rd Quadrant) = 30° (1st Quadrant).

cos \: 30\degree = \sqrt{3} \div 2

Now just transfer the cos 30° to the 3rd Quadrant and the signal will be negative (as shown in the 2nd photo attached).

cos \: 210 \degree = - \sqrt{3} \div 2

5 0
3 years ago
Write an equation of the line that<br> passes through (-1,2) with a slope of 4
Iteru [2.4K]

Step-by-step explanation:

Hey there!

Given;

The points is; (-1 , 2) and slope is 4.

<em>Note:</em><em> </em><em>Use </em><em>one-point</em><em> formula</em><em>.</em>

<em>(y - y1) = m(x - x1)</em>

<em>~</em><em> </em><em>Put </em><em>all</em><em> values</em><em>.</em>

(y - 2) = 4(x + 1)

~ Simplify it.

(y - 2) = 4x + 4

4x - y + 6 = 0

Therefore, the required equation is; 4x-y+6=0.

<h3><em><u>Hope</u></em><em><u> it</u></em><em><u> helps</u></em><em><u>.</u></em><em><u>.</u></em><em><u>.</u></em></h3>

6 0
2 years ago
Select the correct answer.
Alla [95]

Answer:

Step-by-step explanation:

7 0
2 years ago
What is the largest square factor of 49896
alexira [117]

Answer:

The biggest factor of 49896 is 24948

3 0
3 years ago
Can someone help me? I’ll reward points + brainalist
Setler79 [48]

Answer:

d) A = π(9^{2})

Step-by-step explanation:

area = π r^{2}

diameter = 18

radius (half of diameter) = 9

area = π 9^{2}

6 0
3 years ago
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