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Scrat [10]
3 years ago
6

Line 2x-4y-7=0 meets the x axis at point (k,0). Find the value of k

Mathematics
1 answer:
kolbaska11 [484]3 years ago
4 0
K=4
add seven on both sides
2x-4y=7
add 4y on both sides
2x=7+4y
divide 2 on both sides
x=7+4y/2
plug that into original equation
2(7+4y/2)-4y-7=0
7 and 4y cancel out
2(2)=0
4=0
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6 0
3 years ago
Please help meeeeee ://
a_sh-v [17]
A). They are supplementary angles meaning they add up to 180
So
B) (12x+8)+(3x+7)=180
12x+8+3x+7=180
15x+15=180
-15 -15
15x=165
15/15x=165/15
x=11

Angle 1 is
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8 0
3 years ago
How much much interest is on earned on an account if... Principal= $1,250 Rate= 5.7% Time= 4 year
Free_Kalibri [48]

Alright, lets gets started.

I suppose , we are asked to find simple interest for above question.

Principal P = $1,250

Rate r = 5.7 %

Time t = 4 years

The formula for simple interest = \frac{P*r*t}{100}

Hence simple interest = \frac{1250*5.7*4}{100}

Simple interest = \frac{28500}{100}

Simple interest = 285 $

Hence interest earned is $ 285. : Answer

Hope it will help :)

8 0
3 years ago
Read 2 more answers
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