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cupoosta [38]
2 years ago
5

Consider the following formula used to estimate height, h, of a seedling after w weeks since planting:

Mathematics
1 answer:
svp [43]2 years ago
4 0

Answer:

Option B. w=5h-8

Step-by-step explanation:

we have

h=(\frac{1}{5})w+(\frac{8}{5})

Solve for w

That means ----> isolate the variable w

Multiply by 5 both sides to remove the fraction

5h=w+8

subtract 8 both sides

5h-8=w+8-8

5h-8=w

Rewrite

w=5h-8

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in Lindsay's class, there were three students who scored 90 on a test and six students who scored 40 on a test. what is the mean
9966 [12]

Answer:

((90*3)+(40*6))/9

=(90+90+90+40+40+40+40+40+40)/9

=66.66

5 0
2 years ago
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Mike wants to make meatloaf. His recipe uses a total of 8 lbs of meat. If he uses a 3 to 1 ratio of beef to pork how much pork w
sergey [27]
Let x represent the amount of beef and y represent the amount of pork Mike used in recipe.

He used total 8 lbs of meat, so we can write:

x + y = 8

He uses 3:1 ratio of beef to pork, so we can write:

x :y  = 3 : 1
x = 3y

Using this value of x in first equation, we get:

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This means Mike used 6 lbs of beef and 2 lbs of pork for his recipe
3 0
1 year ago
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Plz Help more than one !!!!!!!!!!!!!!!!!!
jok3333 [9.3K]

Answer:

The correct option is (b).

Step-by-step explanation:

We need to find the equivalent to -2(4-3x)+(5x-2)

Using the associative property,

-2(4-3x) = -2(4)+2(3x)

= -8+6x

So,

-2(4-3x)+(5x-2) = -8+6x +5x-2

taking like terms together,

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3 0
1 year ago
Please help?
Oxana [17]

Answer:

Physics isn't my strongest subject but I'll do my best to give you an explanation to help you get the answer!

Step-by-step explanation:

The equation is:

F = m g

where m=mass and g = acceleration due to gravity (gravitational force)

okay, lets substitute our numbers in the equation.

F (125N) = m g (25m/s^2)

'<em>m</em>' is our unknown.

g is equal to 625

hope this helps you get going on this problem!! feel free to leave any questions in the comments and I'll do my best to help you! :)

8 0
2 years ago
X: |x + 2| + 16 = 14
Elenna [48]

Answer:

There is no solution for x in this question

Step-by-step explanation:

|x + 2| = 14-16

|x + 2| = -2

|x + 2| must be ≥0

Therefore, no solution for x

8 0
2 years ago
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