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alexdok [17]
3 years ago
14

Please help me,i am so confused!!!???

Mathematics
1 answer:
Assoli18 [71]3 years ago
8 0

9 \times{10}^{16}

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Factorise 15x² + 9xy + 3x
yarga [219]
Here is my answer, hope to help you

5 0
3 years ago
Read 2 more answers
There are 212 pupils in a
frutty [35]

Answer:

120

Step-by-step explanation:

3/8 3*8=24, 24+3 = 27

5/12 5*12 =60 60÷5= 65

27 + 65 = 92

212-212- 92=120

5 0
2 years ago
Need help with this geometry question, solving for x and please explain the formula for this
Alborosie
Alright, so what we can take as a given is that arcDE/2= ∠CDE=2x+20 since the arc corresponding to the angle is 2*the angle. To solve for arcDE, we multiply both sides by 2 to get 2(2x+20)=4x+40=arcDE. Since the arcs in a circle add up to 360 degrees and we only have -20+30x and arcDE, we have -20+40+4x+30x=360 using the associative property. Simplifying, we get 20+34x=340. Subtracting 20 from both sides, we get 340=34x. Next, we can divide both sides by 34 to get 10=x. 
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2 years ago
Simplify the expression (x12)3
Grace [21]
I think its just 36x
3 0
3 years ago
suppose that y varies jointly with x and z. Find your when x=3 and z=5 , given that y=72 when x=6 and z=4
Hitman42 [59]
Y α xz

y = kxz             y = 72, when x = 6, and z = 4

72 = k*6*4

72 = k*24

24k = 72

k = 72/24

k = 3.

<span>y = kxz    
</span>
<span>y = 3xz    </span>

Finding y, when x = 3, z = 5.

y = 3xz

y = 3*3*5

y = 45
3 0
3 years ago
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