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3 years ago

12

What is the distance between (-4,4 and (-2,-2)

1 answer:

Bumek [7]3 years ago

5 0

I believe its 2.8284

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Fifty five miles per hour converted to feet per second

stiks02 [169]

$\frac{55miles}{hour}*\frac{hour}{3600 seconds}*\frac{5280feet}{mile}$
$\frac{55}{1}*\frac{1}{3600 seconds}*\frac{5280feet}{1}=80.67ft/sec$

6 0

2 years ago

3! + 4! = 5040 30 or 16

makkiz [27]

Answer:

None of those

Step-by-step explanation:

3! = 3*2*1 = 6

4! = 4*3*2*1 = 24

24 * 6 = 144

144 is none of the choices

6 0

3 years ago

Read 2 more answers

Write an equation in slope-intercept form for the line with slope 8 and y-intercept -9

horsena [70]

Y=8x-9

Hopefully that looks right

5 0

2 years ago

What is the solution to 3x -2y =1 and 4y = 7 + 3x

Delvig [45]

Given.

$3x-2y=1$ (1)

$4y=7+3x$ (2)

Re-arrange equation (2)

$(4y=7+3x)-4y$

$0=-4y+3x+7$

$(0=-4y+3x+7)-7$

$-7=-4y+3x$

Multiply equation (2) by -1

$-1(3x-4y=-7)$

$-3x+4y=7$ (3)

Combine like terms and solve.

$3x-3x-2y+4y=1+7$

$2y=8$

Divide by (2y) and solve for (y).

$\frac{2y}{2}=\frac{8}{2}$

$y=4$

Substitute (y) for equation (1).

$3x-2y=1$

$3x-2(4)=1$

$3x-8=1$

Add (8) to both sides.

$(3x-8)+8=(1)+8$

$3x=9$

Divide by (3).

$\frac{3x}{3}=\frac{9}{3}$

$x=3$

Check your work.

$3x-2y=1$

$3(3)-2(4)=1$

$9-8=1$

$1=1$

$4y=7+3x$

$4(4)=7+3(3)$

$16=7+9$

$16=16$

Your answers is $x=3$ and $y=4$

8 0

2 years ago

What is the relationship of the line 8x - 2y = 7 to the line 6x - 2y = -7

Alex787 [66]

Answer:

Neither

Step-by-step explanation:

In a Standard from equation, Ax+By=C

slope=-A/B

1. -8/-2=4

slope=4

2. -6/-2=3

slope=3

No relationship.

slope are not the same nor reciprocal.

8 0

2 years ago