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Novay_Z [31]
3 years ago
5

Jason lost one fourth of his pencils. Later, he bought 3 more. He now has 12 pencils. How many did he start with?

Mathematics
2 answers:
Oxana [17]3 years ago
8 0

Answer:

he started with 12 pencils

Step-by-step explanation:

lost 2.25 of his pencils

got 3 more

12 total

12-3=9

9 is 3/4 of the starting number

3,6,*9*,12

Rudiy273 years ago
4 0
Jason started with 9 pencils.
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Susan quits her administrative job, which pays $40,000 a year, to finish her four-year college degree. Her annual college expens
MrMuchimi

Answer:

The opportunity cost is $28.600

Step-by-step explanation:

The opportunity cost is the value of the best alternative that is rejected. If Susan goes to college loses what he would win from her salary minus any potential gains from investment in education in college. It can be found as this:

Expenses: 8000 + 900 + 2500 = 11.400

So OCost is: 40.000 - 11.400 = 28600

She would lose 28.600 of income per year because of going to college.

4 0
3 years ago
Solve the equation for x
PIT_PIT [208]

Answer:

              \bold{x=\frac{-6+z}6=-1+\frac z6}

Step-by-step explanation:

\bold{x-6+5x=-12+z}\\{}\quad +6\qquad\quad\ +6\\{\quad}\bold{6x\ =\ -6+z}\\{}\quad\div6\quad\ \ \div6\\{}\quad \bold{x=\frac{-6+z}6=-1+\frac z6}

7 0
3 years ago
Line l passes through point (3,−26) and line p is the graph of y−3=−5(x−2) .
uranmaximum [27]

Considering the definition of parallel line, the equation of line l is y= -5x -11.

<h3>Linear equation</h3>

A linear equation o line can be expressed in the form y = mx + b

where

  • x and y are coordinates of a point.
  • m is the slope.
  • b is the ordinate to the origin and represents the coordinate of the point where the line crosses the y axis.

<h3>Parallel line</h3>

Parallel lines are two lines that are always at the same distance from each other.

Two lines are parallel if they have the same slope and different y-intercepts. This is, they have the same value of m and different value of b.

<h3>Equation of parallel line in this case</h3>

In this case, the line is y−3=−5(x−2) Expressed in the form y = mx + b, you get:

y−3=−5x−2×(-5)

y−3=−5x+ 10

y=−5x+ 10 + 3

<u><em>y=  -5x +13</em></u>

where:

  • the slope is -5.
  • the y-intercept is 13.

Two lines are parallel if they have the same slope. So, the parallel line has a slope of -5 and has a form of: y= -5x + b

The line passes through the point (3, -26). Replacing in the expression for parallel line:

-26= -5× 3 + b

-26= -15 + b

-26 + 15 = b

<u><em>-11 = b</em></u>

Finally, the equation of parallel line is y= -5x -11.

Learn more about parallel line:

brainly.com/question/7197064

brainly.com/question/11470863

brainly.com/question/7280013

#SPJ1

3 0
1 year ago
SOMEONE PLEASE ANSWER ASAP FOR BRAINLIEST!!!!!
kaheart [24]

Answer:

 D     b = -2E +212

Step-by-step explanation:

The slope is given by -2 for every 1000 ft

The initial value is 212 degrees

We can use

y = mx+b  where m is the slope and b is the initial value

y = -2x +212

We are at an elevation of E thousand ft

Replace x with E

y = -2 *E +212

b is the boiling point at this elevation

We  replace y with b

b = -2E +212

7 0
3 years ago
{(−1, 5), (2, 8), (5, 3), (13, −4)} what are the range
makkiz [27]
(x;\ y)\\\\(-1, \fbox5), (2, \fbox8), (5, \fbox3), (13, \fbox{-4})\\\\\boxed{The\ range:y\in\{-4;\ 3;\ 5;\ 8\}}
7 0
3 years ago
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