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Salsk061 [2.6K]
2 years ago
5

A math teacher graded 45 problems in

Mathematics
1 answer:
valina [46]2 years ago
5 0
75 problems
3/5 of an hours is 36 minutes you can then do 45 over 36 mins and set it equal to x over 60 mins then you do 45 times 60 which equals 2700 then you divide 2700 by 36 and you get 75
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Please help me!<br> Thank yoouuuu!
-Dominant- [34]

Hello.

This is how I would work out this question, please let me know if there are any flaws.

Write an equation:

9x+24+30x=180

We know that a straight line is an 180 degree angle, so both angles should have a sum of 180.

Now, we solve algebraically.

9x+24+30x=180

39x+24=180

39x+24-24=180-24

39x=156

39x/39=156/39

x= 4

Substitute 4 for x in each expression.

9x+24

9(4)+24

36+24

60

So, the first angle is 60 degrees.

30x

30(4)

120

The second angle is 120 degrees.

Angle AEB is opposite angle DEC, so that means it has the same value of 60 degrees.

∴The answer is 60 degrees.

Please check it over and try other ways of solving to make sure I have the correct answer. I tried my best, hope this helps!

4 0
2 years ago
Read 2 more answers
Given the function f(x)=4x+10 and g(x), which function has a greater slope?
ladessa [460]

The complete question is

"Given the function f(x) = 4x + 10 and g(x), which function has a greater slope?

x g(x)

2 5

4 7

6 9

f(x) has a greater slope. g(x) has a greater slope. The slopes of f(x) and g(x) are the same. The slope of g(x) is undefined."

The correct option from the given function are A; f(x) has a greater slope.

<h3>What is the slope of a line which passes through points ( p,q) and (x,y)?</h3>

Its slope would be:

m = \dfrac{y-q}{x-p}

The slope of a function in the form of y = mx + C is m,

So the slope in the function

f(x)=4x+10

m = 4

Now when you have a function but you only have a table to evaluate it, to calculate the slope

(p, q) = (4, 7)

(x, y) = (6, 9)

This means that:

m = \dfrac{y-q}{x-p}\\\\m = \dfrac{9-7}{6-4}\\\\m =1

Now that we have both slopes, the slope of g(x) = 1 and the slope of f(x) =4,

Thus, f(x) has a greater slope than g(x).

Learn more about slope here:

brainly.com/question/2503591

#SPJ1

8 0
1 year ago
The slope of the line below is 2. Use the coordinates of the labeled point to
Mazyrski [523]

Answer:

  A.  y -9 = 2(x -1)

Step-by-step explanation:

The point-slope form of the equation of a line is ...

  y -k = m(x -h) . . . . . line with slope m through point (h, k)

You are given m=2 and (h, k) = (1, 9). Putting these values into the form gives ...

  y -9 = 2(x -1)

7 0
3 years ago
What is the y intercept if the slope=2/3
Yuliya22 [10]

Answer:

y intercept is 0

Step-by-step explanation:

y=2/3x+b

if x=0 y=0           (0,0)

if x=3, y=2          (3,2)

y=2/3x+b

2=2+b

b=0

7 0
3 years ago
What is the height of a right circular cylinder made from a rectangular sheet of lengil
Talja [164]

Answer:

15 cm

Step-by-step explanation:

When the rectangular sheet rolled along its length, the breadth becomes the height of the cylinder, and the length becomes the circle, so the height is 15 cm

5 0
3 years ago
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