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inn [45]
2 years ago
7

Mrs.Merson is selling her car. her research shows that her car has a current value of 5,500 which is 55% percent of the amount p

aid for the car. a buyer wants to know the price of the car.
Mathematics
1 answer:
Alborosie2 years ago
8 0

Answer:

7975

Step-by-step explanation:

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An isosceles triangle has two sides of equal length, a, and a base, b. The perimeter of the triangle is 15.7 inches, so the equa
Setler [38]

Answer:

b=0.5 in

b=2 in

Step-by-step explanation:

we know that

The perimeter of triangle is equal to

2a+b=15

Solve for a

a=\frac{15-b}{2} -----> equation A

Applying the Triangle Inequality Theorem

a+a > b

2a > b -----> inequality B

<u>Verify each case</u>

case 1) b=-2 in

This value not make sense, the length side cannot be a negative number

case 2) b=0 in

This value not make sense

case 3) b=0.5 in

substitute the value of b in the equation A and solve for a

a=\frac{15-0.5}{2}=7.25\ in

substitute the values of b and  a in the inequality B

2a > b

2(7.25) > 0.5

14.50 > 0.5 -----> is  true

therefore

b=0.5 in  make sense for possible values of b

case 4) b=2 in

substitute the value of b in the equation A and solve for a

a=\frac{15-2}{2}=6.5\ in

substitute the values of b and  a in the inequality B

2a > b

2(6.5) > 2

13 > 2 -----> is true

therefore

b=2 in  make sense for possible values of b

case 5) b=7.9 in

substitute the value of b in the equation A and solve for a

a=\frac{15-7.9}{2}=3.55\ in

substitute the values of b and  a in the inequality B

2a > b

2(3.55) >7.9

7.1 > 7.9 -----> is not true

therefore

b=7.9 in  not make sense for possible values of b

5 0
3 years ago
Read 2 more answers
Point B, located at (-4, -7), is reflected over the y-axis. What are the coordinates of B'?
strojnjashka [21]
(-4,7) answer A
if u reflect it over y axis
3 0
3 years ago
Read 2 more answers
Ivy walks from the store to her friend's house. Write the fraction that represent her constant speed, C, if she walks y miles in
dlinn [17]

Answer:

7

Step-by-step explanation:

8 0
2 years ago
if a 12 sides regular polygon rotates about it’s center at which angle of rotation will the image of the polygon coincide with t
kotegsom [21]

360 / 12 = 30

So, it's 30 degrees.


Incidentally, a 12 sided polygon is called a dodecagon.



6 0
2 years ago
Read 2 more answers
Triangle def is similar to triangle xyz. what is the value of x?
nexus9112 [7]

Answer:

x = 48 ft

Step-by-step explanation:

Triangle DEF is similar to triangle XYZ

10 x 4 = 40 ft

so

12 x 4 = 48 ft

Answer

x = 48 ft

3 0
2 years ago
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