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3 years ago

12

Lisa ran y miles on monday and 3 times as far on tuesday . write an expression in simplest form to sho the number of miles she r

an in all

1 answer:

never [62]3 years ago

3 0

Answer:

y=3x

Step-by-step explanation:

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What is the slope of the line described by the equation below? Y-7=8(x-14

WINSTONCH [101]

Answer: 8 is the slope

Step-by-step explanation:

Y-7=8(x-14)

Y-7= 8x-112

Y= 8x -105

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3 years ago

Find all points having an x-coordinate of 2 whose distance from the point (-1,-2) is 5

mariarad [96]

$The\ equation\ of\ the\ circle:(x-a)^2+(y-b)^2=r^2\\\\where\ (a;\ b)\ -the\ coordinates\ of\ the\ center;\ r-the\ radius\\-----------------------------\\(-1;-2)-the\ center\ of\ the\ circle\\r=5\\\\The\ equation:(x+1)^2+(y+2)^2=5^5\\\\Put\ x=2\ to\ the\ equation:\\\\(2+1)^2+(y+2)^2=25\\3^2+(y+2)^2=25\\9+(y+2)^2=25\\(y+2)^2=25-9\\(y+2)^2=16\iff y+1=\pm\sqrt{16}\\\\y+1=-4\ or\ y+1=4\ \ \ \ \ |subtract\ 1\ from\ both \sides\\y=-5\ or\ y=3\\\\Answer:(2;-5)\ and\ (2;\ 3).$

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3 years ago

Round 5370388 to nearest 100000

dusya [7]

Answer: 5300000

Step-by-step explanation: 7 is closer to ten so it is rounded up

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3 years ago

The roots of the equation 2x^2+3x-5=0 are

GaryK [48]

I know it is -1 cause of the root of equation

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3 years ago

Read 2 more answers

Point (-4,-8) Reflected across the y-axis

nekit [7.7K]

Answer:

(4,-8)

Step-by-step explanation:

Where is the point on the opposite side of the y-axis?

The answer would be (4, -8)

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3 years ago