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NISA [10]
3 years ago
13

What is the perimeter

Mathematics
2 answers:
AleksAgata [21]3 years ago
5 0

Answer:

25.05 in.

Step-by-step explanation:

hope this helps

Sloan [31]3 years ago
4 0
25.05 in

Perimeter you just add all of the sides together.
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What focal-length eyepiece is needed if your eye can resolve objects 0.10 mm apart at a distance of 25 cm?
Kay [80]
M=d/f so, f=d/M f=25/.01. =2500cm
7 0
3 years ago
Find the value of b.
Nesterboy [21]

Answer: 230^{\circ

Step-by-step explanation:

For convenience, I labeled some points as shown in the attached picture.

Also, I assume \overline{AB} and \overline{BC} are tangents to the circle.

  1. \overline{BO} \cong \overline{BO} (reflexive property)
  2. \overline{AB} \cong \overline{BC} (tangents drawn from a common external point are congruent)
  3. \angle BAO \cong \angle BCO (right angles are congruent)

Therefore, we know \triangle ABO \cong \triangle CBO by HL.

Thus, by CPCTC,

\angle AOB \cong \angle BOC \implies m\angle BOC=65^{\circ}\\\\\implies m\angle AOC=130^{\circ}

This means the measure of minor arc AC is 130^{\circ}, and thus b=360^{\circ}-130^{\circ}=\boxed{230^{\circ}}

7 0
2 years ago
A company charges $25 a day for a car rental along with a $60 one time fee. Complete the table to determine the cost to rest the
saw5 [17]

Answer:

Step-by-step explanation:

       cost

d1     85

d2    110

d3    135

d4    160

3 0
3 years ago
Simplify b^2/3a^-4 what's the answer
Andru [333]
Combine like terms. Is there a picture for this?
6 0
3 years ago
Read 2 more answers
consider the function f(x) = x2 2x – 15. what are the x-intercepts of the function? left-most x-intercept: ( , 0) right-most x-i
eimsori [14]

we have

f(x)=x^{2} +2x-15

we know that

The x-intercept is the value of x when the value of the function is equal to zero

so

in this problem

Find the roots of the function

equate the function to zero

x^{2} +2x-15=0

Group terms that contain the same variable, and move the constant to the opposite side of the equation

x^{2} +2x=15

Complete the square. Remember to balance the equation by adding the same constants to each side

x^{2} +2x+1=15+1

x^{2} +2x+1=16

Rewrite as perfect squares

(x+1)^{2}=16

Square root both sides

(x+1)=(+/-)\sqrt{16}

(x+1)=(+/-)4

x=-1(+/-)4

x1=-1+4=3

x2=-1-4=-5

x^{2} +2x-15=(x-3)(x+5)

therefore

<u>the answer is</u>

the x-intercepts are the points (3,0) and (-5,0)

3 0
3 years ago
Read 2 more answers
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