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rewona [7]
3 years ago
9

One question please help! Thanks guys in advance!!!

Mathematics
1 answer:
Ede4ka [16]3 years ago
5 0
Y = kx
80 = 16k
k = 80/16 = 5

direct variation

The first 2 choices are corect
You might be interested in
A line with a slope of -4 has a coordinate of (0,3). If the other coordinate is (6,t),
s2008m [1.1K]

Answer:

Alrighty! So this is what we know:

Slope (m) = (-4)

Co-ordinate (0,3)

Co-ordinate 2 (6,t)

t = ?

Let's find our equation...

y=mx+b <-- just plug what we know in...

3=(-4)0+b

3=0+b

b=3

We just found b! woohoo

Now what is t? t is a value we need to know WHICH IS the y value of a co-ordinate that corresponds to when x is 6, as we know a co-ordinate is expressed as --> (x value, y value).

SO-

t=y

plug it in our equation...

y=mx+b

t=(-4)x+3

t=(-4)(6)+3

t=(-24)+3

t=(-21)

SOOOOOOOO WE HAVE OUR T!! just write a therefore statement like "therefore the value of t is -21." and you're set! hope this helped, any questions? ask in the comment section. :)

Step-by-step explanation:

7 0
2 years ago
Which expression is equivalent to −19y+13 ?
Vikki [24]
The first thing you should do in this case is to write the expression correctly:
 - (1/9) y + (1/3)
 Now, we take out common factor (1/9) obtaining:
 1/9 (-y + 3)
 Let's check:
 1/9 (-y + 3)
 -1/9y + 3/9
 -1/9y + 1/3
 OK
  Answer: 
 An expression equivalent is: 
 1/9 (-y + 3)

4 0
2 years ago
Read 2 more answers
A lamborghini traveled 220 miles in 4 hours. How many miles does the lamborghini drive per hour (speed)?
Aleonysh [2.5K]

Answer:

55 mph

Step-by-step explanation:

220m    per 4 hours  

so 220 devieded by 4 gives u your answer

6 0
2 years ago
Read 2 more answers
5 &lt; 2a(üssü -1) + 3 &lt; 9 eşitsizliğini sağlayan a sayısı aşağıdakilerden hangisi olabilir?
Andru [333]

Answer:

d

Step-by-step explanation:

I believe it is d if I'm not wrong

6 0
2 years ago
Let u = &lt;-3, -5&gt;, v = &lt;-3, 1&gt;. Find u + v. &lt;-2, -8&gt; &lt;-8, -2&gt; &lt;0, -6&gt; &lt;-6, -4&gt;
salantis [7]

Answer:

<-6,-4>

Step-by-step explanation:

To find u+v, all you have to do is add the corresponding components of each.

That is for example on this problem, you would do

<-3,-5>+<-3,1>

=<-3+-3,-5+1>

=<-6,-4>.

7 0
3 years ago
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