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tangare [24]
3 years ago
5

3. Make up a situation where a quantity is changing.

Mathematics
1 answer:
Stella [2.4K]3 years ago
8 0

Answer:

uhmm I need points, sorry.

Step-by-step explanation: ...

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Daniel runs laps every day at the community track. He ran 45 minutes each day, 5 days each week, for 12 weeks. In that time, he
gizmo_the_mogwai [7]

1800 laps in 12 weeks

1800/12 = 150 laps in 1 week

150/5 = 30 laps a day

30 laps in 45 minutes

x laps in 60 minutes

x = (30*60)/45 = 40 laps per hour

5 0
3 years ago
1. TRIANGLES The ratios of the measures of the
maw [93]

sum of all sides of triangle=180°

7x+13x+16x=180°

36x=180°

x=180°/36

x=5

angle D=7x

=7(5)

D=35°

angle E=13(x)

=13(5)

E=65°

angle F=16x

=16(5)

F=80°

angle D=35°

angle E=65°

angle F=80°

7 0
2 years ago
Calculate the area of a right-angled triangle of sides 30 cm, 40 cm, 50 cm.
grin007 [14]
The correct answer is 60cm^2 because the area of a triangle is half base*height -> 30/2*40
5 0
3 years ago
Points R, S, and T are collinear, and S is between R and T, in addition, RS = 2x-4, ST = 3x+2, and RT = 13. Find the value of RS
Alex17521 [72]

Answer:

RS = 2

Step-by-step explanation:

Points R, S, and T are collinear, and S is between R and T, in addition, RS = 2x-4, ST = 3x+2, and RT = 13. Find the value of RS

Hence:

RS + ST = RT

2x - 4 + 3x + 2 = 13

2x + 3x - 4 + 2 = 13

5x - 2 = 13

5x = 13 + 2

5x = 15

x = 15/5

x = 3

To find the value of RS

RS = 2x-4

RS = 2 × 3 - 4

RS = 6 - 4

RS = 2

5 0
3 years ago
Tyee went shopping for a new video game because of a sale. The store was offering a 45% discount. If the price on the tag was p,
monitta

Answer:

It would be 0.45p.

Step-by-step explanation:

6 0
3 years ago
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