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Radda [10]
3 years ago
14

The cost​ T, in hundreds of​ dollars, of tuition and fees at many community colleges can be approximated by Upper T equals one h

alf c plus 1
​, where c is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition and fees when a student registers for 2 three​-credit courses.
Mathematics
1 answer:
Rainbow [258]3 years ago
7 0
Course set of 8 and 2/3rds
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What is 90divided by 9??​
maw [93]
10
9x10=90
it has to be 20 words but id k what else to say
7 0
3 years ago
true or false:the points (6,13),(21,33),(99,137)all lie on the-same line. the equation of the line is y=4/3x +5
Anit [1.1K]

The answer is true.

Step-by-step explanation:

To find the points all lie on the same line, we need to substitute the points in the equation of the line, to determine if the values on both sides of the equation are equal.

Substituting the point (6,13) in the equation of the line, we get,

\begin{aligned}y &=\frac{4}{3} x+5 \\13 &=\frac{4}{3}(6)+5 \\&=4(2)+5 \\&=8+5 \\13 &=13\end{aligned}

Thus, the values on both sides are equal. The point (6,13) lie on the same line.

Substituting the point (21,33) in the equation of the line, we get,

\begin{aligned}y &=\frac{4}{3} x+5 \\33 &=\frac{4}{3}(21)+5 \\&=4(7)+5 \\&=28+5 \\33 &=33\end{aligned}

Thus, the values on both sides are equal. The point (21,33) lie on the same line.

Substituting the point (99,137) in the equation of the line, we get,

\begin{aligned}y &=\frac{4}{3} x+5 \\137 &=\frac{4}{3}(99)+5 \\&=4(33)+5 \\&=132+5 \\137 &=137\end{aligned}

Thus, the values on both sides are equal. The point (99,137) lie on the same line.

Thus, all the three points lie on the same plane.

Hence, the answer is true.

6 0
3 years ago
I need help with dis plz
kkurt [141]
Y = -3x + 10
im pretty sure it’s this one
6 0
2 years ago
How do you solve this step by step?<br><br> -4(2x+5)-3=35
FinnZ [79.3K]

Answer:

x = -7.25

Step-by-step explanation:

multiply -4 by 2x + 5 = -8x - 20

-8x -20 -3 = 35

-8x - 23 = 35

-8x = 35 + 23

-8x = 58

x = 58 / -8

x = -7.25

5 0
3 years ago
I need help on how to do all of this pls.
denpristay [2]
A) 140 degrees
B) [BCE] 40 [CBH] 140 [ADF] 140 [DAG] 40
C) ADC and ABC, DAB and BCD, BCE and GAD, CBH and ADF
D) ADF and ADC, BCD and BCE, HBC and ABC, GAD and DAB, DAB and ABC, ADC and DCB
3 0
3 years ago
Read 2 more answers
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