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Sindrei [870]
3 years ago
13

3/4 (x−12)=12 will mark brainlyest

Mathematics
2 answers:
Keith_Richards [23]3 years ago
7 0

Answer:

x = 28

Step-by-step explanation:

its division come on

Margarita [4]3 years ago
4 0

Answer:

x = 24, if thats wat ur asking.

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a 34 gram sample of a substance that's used to treat thyroid disorders has a k-value of 0.137. find the substance's half-life, i
Ira Lisetskai [31]

Answer:

5.1 days

Step-by-step explanation:

Given in the question,

initial amount of substance = 34 grams

k-value = 0.137

To find the half life of this substance we will use following formula

N(0)/2 = N(0)e^{-kt}

here N(0) is initial amount of substance

        t is time in days

Plug values in the formula

34 /2 = 34e^{-0.137t}

1/2 = e^{-0.137t}

Take logarithm on both sides

ln(1/2) = ln( e^{-0.137t})

ln(1/2) = -0.137t

t = ln(1/2) / -0.137

t = 5.059

t ≈ 5.1 days (nearest to tenths)

3 0
3 years ago
What is the solution to the system of equations 2x-y=7 and y=2x+3
Yuri [45]
Make y the subject in both equations

2x-y=7

-y=-2x+7

y=2x-7

For the second equation

y=2x+3

The two equations are parallel because they have the same gradient or slope but different y intercepts.

This type of equations have no solution because they will never intersect.

NO SOLUTION

The correct answer is C
6 0
2 years ago
URGENT A third-grade class has 12 girls and 13 boys. A fourth-grade class has 10 boys and 11 girls. When picking teams for PE, o
Illusion [34]
A. 44/175 I pretty sure...
8 0
3 years ago
What percent is students walk home from school
AveGali [126]

Answer:

50percent

Step-by-step explanation:

5 0
3 years ago
Need help with school work
vichka [17]
15^2 + 36^2 = 39^2

Your answer is 39
3 0
2 years ago
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