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tangare [24]
3 years ago
14

If v varies directly as w and v = 8 when w=1/2 find the equation that relate v and w

Mathematics
2 answers:
ruslelena [56]3 years ago
6 0

Answer:

v=16w

Step-by-step explanation:

We are given that v varies directly as w, so

v=k⋅w

for some constant, k.

To determine the value of k, substitute the known values, v=8 when w=1/2, to find that

8=k⋅12

Multiplying by 2 gives k=16, so an equation that relates v and w is

v=16w

garri49 [273]3 years ago
5 0

Answer:

v=kw. 8=k1/2

Step-by-step explanation:

Okay, so here's the equation. v=kw. Varies directly means if v rises, then w rises. If v decreases, then w will decrease. Let me know if that helps! (In case you need it, k=16.)

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55÷ =5 what is answer​
Andru [333]

Answer:

The answer is 11

Step-by-step explanation:

55÷5= 11

7 0
3 years ago
Find a positive and a negative coterminal angle for each given angle.<br> 75 degrees
maxonik [38]

Answer:

Positive co terminal angle = -105°

Negative co terminal angle = 225°

Step-by-step explanation:

We have been given the angle 75° and we have to find one positive and one negative co-terminal angle.

In order to find the co terminal angle, we add and subtract 180° to the given angle.

Therefore, the negative co terminal angle is given by

75 - 180 = -105°

And the positive co terminal angle is given by

75 + 180 = 225°

8 0
2 years ago
The altitude a (in feet) of a plane t minutes after liftoff is given by a=3,400t +600 . How many minutes after liftoff is the pl
grin007 [14]

Answer:

6 minutes

Step-by-step explanation:

a=3400t+600 substitute 21000 for a

21000=3400t+600 subtract 600 from both sides

20400=3400t divide by 3400

6=t

3 0
2 years ago
How many questions would I have to miss on a 25 question test to get 88% ?
N76 [4]
Let's start with the question, how many questions do you need to get 88%?

so were are looking for
?/25 = 88% and 88% is also 0.88 so we can multiply 25 by 0.88

we get 22


But this doesn't here. the question asks us how many mistakes do you need. you can just subtract 22 from 25

25-22= 3
you need 3 misses to get 88%
7 0
3 years ago
If 3x4+2=56.8, what is the value of x?<br><br> x≈6.708<br> x≈−4.323<br> x≈−2.891<br> x≈−2.059
Sphinxa [80]

Answer:

d. x= -2.059

Step-by-step explanation:

let me know if this is incorrect

5 0
3 years ago
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