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telo118 [61]
3 years ago
14

A teacher has 50 tests to grade. She can grade 4 tests in 6

Mathematics
1 answer:
34kurt3 years ago
3 0

Answer:

c: 75 minutes

Step-by-step explanation:

50/4 = 12.5

6 x 12.5 = 75

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This famous clock tower has a clock face with a diameter of 23 feet. What is the approximate area of this clock face
pashok25 [27]

Answer:

Therefore the approximate area of this clock face is 415.3 feet².

Step-by-step explanation:

Given:

Clock is of Circular Shape,

Diameter = 23 feet

Radius =r =\dfrac{diameter}{2}=\dfrac{23}{2}=11.5\ feet

To Find :

Area of Clock Face = ?

Solution:

Area of Circle having Radius 'r' is given as,

\textrm{Area of Circle}=\pi r^{2}

Substituting the values we get

\textrm{Area of Clock Face}=3.14\times (11.5)^{2}=415.265=415.3\ feet^{2}

Therefore the approximate area of this clock face is 415.3 feet².

7 0
3 years ago
Use Pythagorean Theorem to solve for the
babymother [125]
Pythagorean theorem is all about squaring the numbers. the equation is a^2+b^2=c^2
when you know two sides of the triangle, you fill in those spaces. they hypotenuse is ALWAYS ‘c’

to figure this problem out you put
a as 4
keep b as b since you don’t know what it is
c as 6

4 squared=16
6 squared=36

16+b^2=36
36-16=20
square root of 20 is 4.47
6 0
3 years ago
65=15+x^2 solve for x
7nadin3 [17]

Answer:

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Step-by-step explanation:

65=15+x^2

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Take the square root of each side

±sqrt(50) = sqrt(x^2)

±sqrt(25*2) =x

±sqrt(25)sqrt(2) =x

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4 0
3 years ago
Simplify<br>2x + x + x + 2y x 3y x y​
nignag [31]

Answer: 2y^3x4+4x

Step-by-step explanation:

4 0
3 years ago
Mr Kobe has 30 students in his class ha has twice as many girls and boys what are the ratios to total students
Korvikt [17]

Answer:

Step-by-step explanation:

2:3 is the correct answer

7 0
3 years ago
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