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omeli [17]
3 years ago
15

T + w = 15 2t = 40 − 2w

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0
There are no solutions
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Rearrange the equation so m is the independent variable. 7m+2=7n−5
allsm [11]

Answer:

m +1= n

Step-by-step explanation:

We want to solve for the dependent variable, n

7m+2=7n−5

Add 5 to each side

7m +2+5 = 7n-5+5

7m+7 = 7n

Divide each side by 7

(7m+7)/7 = 7n/7

m +1= n

6 0
3 years ago
Read 2 more answers
What is the correct answer for this question
ioda

Answer:

2 option I think, if I'm wrong so sorry ;(

Step-by-step explanation:

5 0
3 years ago
Write an equation in slope-intercept form of the line with the given parametric equations.
Montano1993 [528]

Answer:

y = \frac{9}{8}\cdot x -\frac{3}{8}

Step-by-step explanation:

The parametric equations are described below:

x = 8\cdot t + 3 and y = 9\cdot t + 3

The slope-intercept equation is constructed by eliminating t from both formulae:

t = \frac{x-3}{8} and t = \frac{y-3}{9}

\frac{x-3}{8} = \frac{y-3}{9}

9\cdot (x-3) = 8\cdot (y-3)

9\cdot x - 27 = 8\cdot y -24

9\cdot x -3 = 8\cdot y

y = \frac{9}{8}\cdot x -\frac{3}{8}

6 0
3 years ago
You take a 200 milligram dosage of aspirin. During each subsequent hour, the amount of medication in your bloodstream decreases
shepuryov [24]

Answer: The level of aspirin (mg) will be in your bloodstream in 4 hours = 35.70 mg.

Step-by-step explanation:

If the amount is decreasing by r%, then the final amount is given by :-

A=P(1-r)^t

, where P = initial value , t= time

Given: P= 200 milligram, r= 35% = 0.35, t= 4 hours

The level of aspirin (mg) will be in your bloodstream in 4 hours = 200(1-0.35)^4

=200(0.65)^4\\\\=200\times 0.17850625\\\\=35.70125\approx35.70 \ mg

Hence, the level of aspirin (mg) will be in your bloodstream in 4 hours = 35.70 mg.

5 0
3 years ago
T midnight, a candle was lit. At 15 minutes past midnight, the candle was 4 inches tall, and you notice that it burns at a rate
anyanavicka [17]

Answer:

a)   t-4 = 3 (i - 1/4h) =  h = 3i - 3 3/4h  

= t = -0.75

= h = 4  

b) 3.30am = 1 inch.

Step-by-step explanation:

a)   formula for point slope form = y - y1 = m(x-x1)

a) t-4 = 3(i - 1/4h)  converts to  t-4   = 3i - 3/4h  = t = 3i- 3 3/4

x = - 0.75 y = 4  =     t= -0.75 and h = 4

b) 12.15am = 4 inches

1.15am = 3.25 inches

2.15am = 2.5 inches

3.15am = 1.75inches

3.30 = 1 inches

3.15 + 15mins = 1 inch

6 0
3 years ago
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