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aivan3 [116]
3 years ago
13

Which expression is equivalent to s+s -4s A- 1-3s b- -4s c- s-3 d- -2s

Mathematics
1 answer:
a_sh-v [17]3 years ago
3 0

Answer:

D. -2s

Step-by-step explanation:

s+s-4s

=1s+1s-4s

=(1+1-4)s

=-2s

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Which lists all the integer solutions of the equation |x| = 10?
kakasveta [241]

There is no list and no choices given.

The solutions of     | x | = 10   are   x = 10  and   x = -10 .
 
All (both) solutions happen to be integers.
There are no other solutions.

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Afina-wow [57]

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What is the y-coordinate of the midpoint of the line segment of (-4,13) and (18,-3.5)
Nady [450]

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3 years ago
100 POINTS! MUST HAVE CORRECT ANSWER AND EXPLAIN YOUR WORK!
leonid [27]

Answer:


Step-by-step explanation:

we have to find the dot product here.

From the formula of dot product of vectors,

we know-

if  X=<a,b,c>   and    Y=<d,e,f>

Then dot product of  X and Y is-

X.Y=ad+be+cf


Here, we get

v=<2 , -8 , -8>

and   w=<-2 , 6 , -5>

So, the dot product is-

v . w=2(-2)+(-8)(6)+(-8)(-5)

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v . w= -12

8 0
3 years ago
How would I find x, I know it's an isosceles triangle but I so not know how to solve for it?????​
Wittaler [7]

Answer:

x=7 (if your teacher cares it could + or - 7)

Step-by-step explanation:

Okay, since it's a 90 degree triangle you can use the Pythagorean theorem

( a^2 + b^2 = c^2)

Since it's an isosceles triangle the other side is x because it's the same value.

x^2 + x^2= (7\sqrt{2} )^2

Add the left side

2x^2= 7^2 + \sqrt{2}^2 roots and square roots cancel each other out

So -> 2x^2= 49 x 2 =98

just solve for x.

x^2 = 98/2

x^2= 49

Square root both sides

x= 7

3 0
3 years ago
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