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Lisa [10]
3 years ago
11

Please helpppppoooooppppppp

Mathematics
2 answers:
Kaylis [27]3 years ago
8 0

Answer:

3.5 hours of studying to get a 75 on the exam.

Step-by-step explanation:

The y intercept in the graph is 40. This means that the constant in the linear equation is 40.

The slope of the equation is 10 because after the variable x travels one interval, the y travels 10.

To get the hours a student need to get 75 on the exam, we set the equation equal to 75.

75 = 10x + 40 where x = hours studied.

75 - 40 = 10x

x = 35/10

x = 3.5 hours

brilliants [131]3 years ago
3 0
N o o o o o o o o o o o o o o o o o o o o o o o
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igor_vitrenko [27]

Answer:

Side A = 11

Side B = 16

Side C = 25

I added an image that shows what I did in case you need it.

7 0
3 years ago
the expression 15n + 12n + 100 rersents the total cost in dollars for skis, boots and a lesson for n skiers. simplify the expres
ankoles [38]

Answer:

$316.

Step-by-step explanation:

The terms that have n can be operated:

15n +12n + 100 = 27n +100. Then, we have that

total cost = 27n +100 for n skiers. So, for 8 skiers we have

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3 0
4 years ago
Read 2 more answers
This is for pre calculus, please help
Harlamova29_29 [7]

Answer:

The correct answer is:

g(x)  = x+1

Step-by-step explanation:

Given that:

h(x) = f\circ g(x)= \sqrt[3]{x+3}

f(x) = \sqrt[3]{x+2}

To find:

g(x) = ?

Solution:

Let g(x)  = m

We have

f\circ g(x)= \sqrt[3]{x+3}\\OR\\f( g(x))= \sqrt[3]{x+3}...... (1)

Now, we have let:

g(x) = m\\\therefore f(g(x)) = f(m)

Putting x = in f(x), we get

f(x) = \sqrt[3]{x+2}\\\Rightarrow f(m) = \sqrt[3]{m+2}....... (2)

Comparing equation (1) and (2):

\sqrt[3]{x+3} =\sqrt[3]{m+2}

Taking cubes both sides:

x+3=m+2\\\Rightarrow m = x+3-2\\\Rightarrow m = x+1

\therefore g(x) = x+1

Hence,

The <em>correct answer </em>is:

g(x)  = x+1

5 0
3 years ago
F(x) = x3 - 2x2 + x - 2
Yuri [45]
Just use photo math
7 0
3 years ago
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JulijaS [17]

Answer:

322 ft squared

Step-by-step explanation:

formula = <u>(a+b)×h</u>

2

35+11 = 46

46×14 = 644

644÷2= 322

7 0
3 years ago
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