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grandymaker [24]
3 years ago
14

Brad is planning to attend a public university after he graduates from high school in 2.5 years. He is devising a plan to save m

oney each month to help with the expenses of attending the university. The cost of attending the public university for one-year is $15,900. His family has promised to contribute $6,500 each year he is in school. What is the minimum amount of money Brad must contribute to his savings per month for the next 2.5 years to have enough money to pay for his first year of tuition?
a
$219.99
b
$416.66
c
$517.77
d
$313.33
Mathematics
1 answer:
Reil [10]3 years ago
5 0

Answer:

d. 313.33

Step-by-step explanation:

please rank brainliest if possible:)

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Step-by-step explanation:

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6 0
2 years ago
Find the area of the trapezoid.<br> Answer options: 8sqrt2, 4sqrt3, 12.0, 16sqrt2
Elis [28]

Answer:

=  8sqrt2

Step-by-step explanation:

Area of a trapezium is given by the formula;

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To get; h, we use the Pythagoras theorem;

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Thus;

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8 0
3 years ago
What operations do i put in to make these equations correct?
Elan Coil [88]
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7 0
3 years ago
Read 2 more answers
The answer is 5,-2,-3 but i need help with steps that make sense
olga nikolaevna [1]

\left\{\begin{array}{ccc}x+3y-z=2\\4x+2y+5z=1\\3x+z=12&\to z=12-3x\end{array}\right\\\\\text{substitute the value of z to the first and second equation}\\\\\left\{\begin{array}{ccc}x+3y-(12-3x)=2\\4x+2y+5(12-3x)=1\end{array}\right\\\\\left\{\begin{array}{ccc}x+3y-12+3x=2&|+12\\4x+2y+60-15x=1&|-60\end{array}\right\\\\\left\{\begin{array}{ccc}4x+3y=14&|\cdot2\\-11x+2y=-59&|\cdot(-3)\end{array}\right

\underline{+\left\{\begin{array}{ccc}8x+6y=28\\33x-6y=177\end{array}\right}\ \ \ \ |\text{add both sides of the equations}\\.\ \ \ \ \ \ \ 41x=205\ \ \ \ |:41\\.\ \ \ \ \ \ \ x=5\\\\\text{substitute the value of x to the first equation}\\\\4(5)+3y=14\\20+3y=14\ \ \ \ |-20\\3y=-6\ \ \ \ \ |:3\\y=-2\\\\\text{substitute the value of x to the equation:}\ z=12-3x\\\\z=12-3(5)=12-15=-3\\\\x=5,\ y=-2,\ z=-3\to(5,\ -2,\ -3)

6 0
3 years ago
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