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RideAnS [48]
3 years ago
13

What is the measure of an exterior angle of a regular nonagon

Mathematics
1 answer:
Tanzania [10]3 years ago
7 0

A regular nonagon is 9-sided polygon with all congruent sides and congruent interior angles.

The sum of exterior angles of n-sided polygon is 360°. If all interior angles of regular nonagon are congruent, then all exterior angles are congruent too.

Then each exterior angle has the measure of

\dfrac{360^{\circ}}{9}=40^{\circ}.

Answer: 40^{\circ}

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Olivia are two times as much salad as Reagan. If Reagan ate R salad, which equation can be used to find the amount of salad Oliv
mina [271]
<h3>Answer: B) 2r = v</h3>

================================================

Explanation:

r = amount of salad Reagan ate

v = amount of salad Olivia ate

"Olivia ate twice as much as Reagan", meaning

amount Olivia ate = 2*(amount Reagan ate)

v = 2*r

v = 2r

2r = v

6 0
3 years ago
Cedric and Josh both ordered the same size pizzas at Marco’s Pizzeria; however, they ordered different toppings. Marco’s charges
Oksanka [162]
Let
C---------> <span>the cost of a pizza
</span>t----------> <span>number of toppings

we know that
</span>$15.74-3t=$14.49-2t
15.74-14.49=3t-2t-------------> t=1.25

the cost of one topping is $1.25
and the cost of one pizza <span>without topping is
</span>15.74-3*1.25--------> $11.99

then
<span>an equation for the cost of a pizza, C, as a function of the number of toppings, t ordered is
</span>C=11.99+1.25t

the answer is 
C=11.99+1.25t
6 0
3 years ago
Read 2 more answers
Can anyone help me please
Annette [7]

Answer: i dont know


Step-by-step explanation:


4 0
3 years ago
Solve for x in the equation x + 10 = 15.
Vera_Pavlovna [14]
X+10=15

Isolate x by subtracting 10 from both sides
x+10-10=15-10
x=5

Final answer: B

Check by plugging the value in
5+10=15
True
7 0
3 years ago
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Quick answer pleaseee
Nikolay [14]
D is the correct answer
3 0
3 years ago
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