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3 years ago

Solve the equation 7=4s+19

Mathematics

2 answers:

Vika [28.1K]3 years ago

8 0

7=4s+19
-12=4s
-3=s
that's the answer

lyudmila [28]3 years ago

6 0

Isolate the s. Note the equal sign. What you do to one side, you do to the other. Do the opposite of PEMDAS.

Subtract 19 from both sides

7 (-19) = 4s + 19 (-19)

7 - 19 = 4s

-12 = 4s

Isolate the s. Divide 4 from both sides

-12/4 = 4s/4

s = -12/4

s = -3

-3 is your answer for s

hope this helps

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2 years ago

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A) A ∩ C means in both sets, in this case A and C, and in this question all students both over 20 years and with social stratum of 1, 2 and 3.

B) A ∪ B means in either set or both, both will do, in this case meaning all students in A or B or any in between, and in this question all students over 20 years and/or are women.

C) As is already explained above, B ∪ C means in this question all students that are women and/or have social stratum of 1, 2, and 3.

D) This is the same as A). Refer to A).

E) A ∪ C is already explained above, and in this question means all students over 20 years and/or have social stratum of 1, 2, and 3.

F) Same as E). Refer to E).

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Step-by-step explanation:

Hope this helped!

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2 years ago

NEED HELP

KIM [24]

A coordinate plane with the x-axis labeled Blueberries (in pints) and the y-axis labeled Cost (in dollars) shows a line going through (0, 0) and (5, 17).

<h3>What is directly proportional?</h3>

It is defined as the relationship between two quantities as one quantity increases the other quantity also increases and vice versa.

It is given that there is a proportional relationship between cost and pints of blueberries as,

Blueberries (in pints) 2 5

Cost (in dollars) 6.80 17

17/6.80 = 5/2

As we draw the graph and analyze each option one by one we get the graph shown by the statement C following the given proportional relationship.

Thus, a coordinate plane with the x-axis labeled Blueberries (in pints) and the y-axis labeled Cost (in dollars) shows a line going through (0, 0) and (5, 17).

Learn more about the directly proportional here:

brainly.com/question/16937826

#SPJ2

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