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BlackZzzverrR [31]
3 years ago
5

The radius of a round tablecloth is 2.75 feet, how many yards is needed

Mathematics
2 answers:
tatiyna3 years ago
7 0

Answer:

5.23 yards

Step-by-step explanation:

The circumference of a circle is equal to

C=2\pi r

we have

r=2.5 ft

substitute the value

C=2\pi r(2.5)=5\pi  ft

assume

\pi =3.14

5\pi =5*3.14=15.7 ft

convert feet to yards to get your answer:

<em>5.23 yards</em>

kogti [31]3 years ago
5 0

Answer:

Step-by-step explanation:

A=\pi r^2\\ \\ A=\pi(2.75ft(yd/3ft))^2\\ \\ A\approx 2.64 yd^2

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Two old RSM students were standing 10 ft apart when they spotted Mrs. Rifkin. If they immediately run in opposite directions at
Katena32 [7]

Answer:

6

Step-by-step explanation:

Seeing that the two students are running aside from

each other. We can add the speeds together.

We can also subtract 10 feet from our goal of 1870

they are already feet apart.

1870ft / (150+1650) ft per min

we are left with our answer 6

Hope this helps!

7 0
3 years ago
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Find the quotient 5/28 divided by 1/7
devlian [24]

The answer is: 1.25

Remember: Keep the first fraction, Change the Sign, Flip the second fraction.

KEEP - 5/28

CHANGE - division to multiplication

FLIP - 7/1

8 0
3 years ago
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Determine whether the degree of the function is even or odd and whether the function itself is even or odd.
Fynjy0 [20]

Answer:

There are Even, Odd and None of them and this does not depend on the degree but on the relation. An Even function: f(-x)=f(x) And Odd one: -f(x)=f(-x)

Step-by-step explanation:

1) Firstly let's remember the definition of Even and Odd function.

An Even function satisfies this relation:

f(-x)=f(x)

An Odd function satisfies that:

-f(x)=f(-x)

2) <u>Since no function has been given</u>. let's choose some nonlinear functions and test with respect to their degree:

f(x)=x^{2}-4, g(x)= x^{5}+x^{3}

f(x)=x^2 -4\Rightarrow f(-x)=(-x)^{2}-4\Rightarrow f(-x)=x^{2}-4\therefore f(x)=f(-x)

g(-x)=-(x^{5}+x^{3})\Rightarrow g(-x)=-x^{5}-x^{3}\Rightarrow g(-x)=-g(x)

3) Then these functions are respectively even and odd, because they passed on the test for even and odd functions namely, f(-x)=f(x) and -f(x)=f(x) for odd functions.

Since we need to have symmetry to y axis to Even functions, and Symmetry to Odd functions, and moreover, there are cases of not even or odd functions we must test each one case by case.

7 0
4 years ago
Can someone please help
MissTica

Answer:

I'm Sure You Got The Answer Your Smart

7 0
3 years ago
Which notation is incorrect notation for the blue angle?
Crank
The answer is choice D) Angle F

Why is this not proper notation? Because there are two possible angles with point F as the vertex. If we only had triangle DFG to worry about, then we can say "angle F" without mentioning other points, and we'd know exactly what angle is being referenced. In this case, angle F could refer to either angle DFG or angle DFE. Note how F is the middle letter in each case. 
5 0
3 years ago
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