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Law Incorporation [45]
2 years ago
11

Complete the table below to classify the triangles as scalene or isosceles.

Mathematics
1 answer:
BartSMP [9]2 years ago
8 0

Answer:

1) Isosceles

2) Scalene

3) Scalene

Step-by-step explanation:

The 1st choice is isosceles because 2 side lengths are equal.

The 2nd and 3rd choice are scalene because none of the sides equal the other sides.

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In the figure points A B C D and E are collinear. If AE = 38 and BD = 15
fredd [130]

Answer:

D. 30.5

Step-by-step explanation:

Given that A, B, C, D, and E are collinear,

AE = 38,

BD = 15, since segment BC = CD = DE, therefore

BD = ⅔ of BE

15 = ⅔*BE (substitution)

Solve for BE

Multiply each side by 3

15*3 = ⅔*BE*3

45 = 2*BE

Divide both sides by 2

45/2 = BE

22.5 = BE

BE = 22.5

Find AB:

AB + BE = AE (segment addition postulate)

AB + 22.5 = 38 (Substitution)

AB = 38 - 22.5 (Subtracting 22.5 from each side)

AB = 15.5

Find length of segment AD:

AB + BD = AD (segment addition postulate)

15.5 + 15 = AD (Substitution)

30.5 = AD

AD = 30.5

6 0
3 years ago
A movie theater has n rows and m seats in each row. If each ticket costs $5.60, how much do all tickets to one movie cost?
docker41 [41]

Answer:

All Tickets to one movie cost \$5.60 \times m\times n

Step-by-step explanation:

Given:

Number of rows in theater = n

Number of seats in each row = m

Total number of seats in the theater =  Number of rows in theater \times Number of seats in each row= m \times n

Now given each ticket costs = \$5.60

So to find total of all tickets we need multiply each ticket cost by Total number of seats in the theater

Total tickets cost = each ticket cost \times Total number of seats in the theater  = \$5.60 \times m \times n

3 0
3 years ago
Betty Borrower has a short term one year note at 14% interest per year. What is the APR?
musickatia [10]

Answer:

the answer is 14.9%

Step-by-step explanation:

(1+0.14/12)^(12))-1)*100=14.9%

5 0
3 years ago
The value of y varies directly with x. when y = 7.5, x = 5. what is the value of y when x = 80?.
Ksenya-84 [330]

Answer:

Step-by-step explanation:

120 = y. the ratio is 3:2

80/2 is 40

40 times 3 is 120

120:80 = 3:2

4 0
3 years ago
Solves this system of equations by using the elimination method
yuradex [85]
X should equal 6 and y should equal -9
8 0
3 years ago
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