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3 years ago

Which set of three angles could represent the interior angles of a triangle?

Mathematics

2 answers:

Ray Of Light [21]3 years ago

8 0

Answer:

the first option

Step-by-step explanation:

it's the only one tht adds to 180

kvasek [131]3 years ago

8 0

Answer:

49°, 59° and 72°

Step-by-step explanation:

Interior angles are supposed to add up to 180°

49+59+72=180° (correct set)

34+45+11= 90° (not correct set)

24+51+15= 90° (not correct set)

45+70+85 = 200° (not correct set)

hence the correct set is 49°, 59° and 72°

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3) A tour trolley covers a distance of 8.5 miles in of an hour.

sp2606 [1]

Answer:

a) Ans: 8.5 miles per hour

b) Ans: 46.75 miles

Step-by-step explanation:

a) Speed = Distance/Time

8.5/1h = 8.5 miles per hour

b) Distance = Speed x Time

8.5 miles per hour x 5.5h = 46.75 miles

5 0

3 years ago

Choose the composition of translations that maps the image ΔPQR onto ΔP′Q′R′.

lana66690 [7]

Answer:

(x , y ) ---> (x + 6 , y - 3)

Step-by-step explanation:

(x , y ) ---> (x + 6 , y - 3)

P(-1 , 4) -----> P'(-1+6 , 4-3) = P'(5,1)

Comapre P and P' x-coordinate

-1 + a = 5

a = 5 +1 = 6

Q(-1, 2) ----->Q'(-1+6 , 2 -3)= Q'(5, -1)

R(3 , 1) ------> R'(3+6 , 1-3) = R'(9,-2)

8 0

3 years ago

At the movie theatre, child admission is $5.30 and adult admission is $8.40. on friday, four times as many adult tickets as chil

ladessa [460]

Answer:

Step-by-step explanation:

4 because i said so

4 0

4 years ago

Three students, Ailin, David and Rashaad, received an innovation award for their ground breaking work on scientific discovery. T

Kay [80]

Answer:

The original award is of $66666.67 and David receives the most money.

Step-by-step explanation:

Let us assume that the total prize money is $x.

Now, Ailin receives $10000 plus $\frac{1}{5}$ of what then remains, and David receives $16000 plus $\frac{1}{4}$ of what then remains, and finally Rashaad receives $18000.

So,from the conditions given above we can write

$[10000 + \frac{x - 10000}{5}] + [16000 + (x - 10000 - \frac{x - 10000}{5}) \times \frac{1}{4}] + 18000 = x$

⇒ $10000 + \frac{x}{5} - 2000 + 16000 + \frac{x}{4} - 2500 - \frac{x}{20} + 500 + 18000 = x$

⇒ $(\frac{x}{5} + \frac{x}{4} - \frac{x}{20}) + 40000 = x$

⇒ $\frac{2}{5} x + 40000 = x$

⇒ $\frac{3}{5} x = 40000$

⇒ x = $66666.67

Therefore, Ailin receives $[10000 + \frac{66666.67 - 10000}{5}]$

= $21333.34

And David receives $[16000 + (66666.67 - 10000 - \frac{66666.67 - 10000}{5}) \times \frac{1}{4}]$

= $27333.33

The original award is of $66666.67 and David receives the most money. (Answer)

5 0

4 years ago

Shannon is 3 years older than Jenny. The sum of their ages is 33. How old are Shannon and Jenny?

Olin [163]

Answer: Shannon is 18 and Jenny is 15. Because 18+15=33

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers