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V125BC [204]
3 years ago
9

The graph represents the relationship between the number of

Mathematics
1 answer:
Alexeev081 [22]3 years ago
3 0

Answer:

r = 5w + 15

Step-by-step explanation:

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Rosamaria is setting up a 20 gallon saltwater fish tank that needs to have a salt content of 3.5%. If rosamaria has water that h
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She should use 0.74 gallons you have to take 20 and timed it by 3.7 % and thats how you get to see whats left that she need.
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PLEASE HELP ONLY HAVE FOUR MINUTES
kumpel [21]
Sorry but I dont think you are gonna get the answer in 4 minutes
8 0
3 years ago
If LN = 6x - 5, LM = x + 7, and MN = 3x + 20, find MN.<br> A.68<br> B.16<br> C.23<br> D.18
borishaifa [10]

Answer : The correct option is (A) 68.

Step-by-step explanation :

As we are given that:

LN = 6x - 5

LM = x + 7

MN = 3x + 20

Now we have to determine the value of MN.

According to the question:

LN = LM + MN

Now putting all the given values in this expression, we get:

6x - 5 = (x + 7) + (3x + 20)

6x - 5 = 4x + 27

6x - 4x = 27 + 5

2x = 32

x = 16

The value of MN = 3x + 20 = 3(16) + 20 = 48 + 20 = 68

Therefore, the value of MN is 68.

7 0
3 years ago
How to write a quadratic form vertex form to standard form
sineoko [7]
Www.virtualnerd.com/algebra-2/quadratics/transforming-functions/vertex-form/convert-vertex-to-standa...

This will help you find what your looking for 
5 0
3 years ago
Please help! (image is for question 3)
nika2105 [10]

The formula for the total sum of the inner angles of the polygon is

Sn= (n-2) 180°

1) S6= (6-2) 180 = 4*180 = 720° In the hexagon all angles are equal

α= S6/6= 720/6= 120°

2) In each polygon the sum of the external angles is 360°

3) S5= (5-2) 180 = 540° than  we can add up all angles

x+131+108+107+110=540 => x= 540-456= 84°

4) α = 360/5=72°

Good luck!!!


6 0
3 years ago
Read 2 more answers
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