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3 years ago

Reference angle of 400°?

Mathematics

1 answer:

Harrizon [31]3 years ago

4 0

The angle should be less than 360 degrees since a full circle is 360 degrees.

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56 successful students is 70% of what number of students?

ivanzaharov [21]

Answer:

56 is 70% of 80 students.

Step-by-step explanation:

70% = 0.7

56 divided by 0.7 = 80

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3 years ago

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Select the coordinates of two points on the line y = -2.

GaryK [48]

Y=-2 is a horizontal line, each point which lies on this line has the y-coordinate -2.
Only in option C both points have the y-coordinate equal to -2.
The answer is C.

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3 years ago

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Find the diameter of a circle with a circumference of 443 feet. Use 3.14 for pi.

marishachu [46]

Answer:

$\huge\boxed{\sf d = 141\ feet}$

Step-by-step explanation:

Given Data:

Circumference = C = 443 ft

Required:

Diameter = d = ?

Formula:

d = C / π

Solution:

d = 443 / 3.14

d = 141.0 feet

d = 141 feet

$\rule[225]{225}{2}$

Hope this helped!

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2 years ago

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Tan(43)-tan(13)/1+tan(43)tan(13)

kupik [55]

Answer:

tan(13)-tan(2)

Step-by-step explanation:

= Monthsarry namin ng bebe ko

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3 years ago

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The pool at "splash around" is open for 14 weeks during the summer. you can swim for $6 a session, or you can buy a membership f

Ratling [72]

Let

x--------> the number of sessions

y-------> the total payment

we know that

without membership:

$y=6x$ --------> equation $1$

with membership:

$y=100+4x$ --------> equation $2$

using a graph tool------> resolve the system of equations

see the attached figure

the solution is the point $(50,300)$

that means

For $x=50\ sessions$

the cost is $\$300$ in both forms

to justify buying the membership

$x > 50\ sessions$

therefore

the answer is

$x > 50\ sessions$

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3 years ago

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