3 years ago

Triangle XYZ is similar to triangle RST what is the perimeter of triangle RST

1 answer:

4 0

You need values of some sort to answer this question; the perimeter of triangle RST will correspond to the perimeter of triangle XYZ. For instance, if XYZ has sides 3/4/5, then RST might have sides 1.5/2/2.5 or 6/8/10.

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The number of boys in a club is 10 more than half the number of girls.

Sav [38]

Answer:

40 girls

Step By Step Explanation:

assume boys = y girls = x

y = 1/2x + 10

y = 30

30 = 1/2x + 10

1/2x = 20

x = 20 *2 = 40

girls is 40 boys is 30

6 0

2 years ago

Which pair of numbers is relatively prime?

Vladimir [108]

I think it is 21 and 50. The only common factor they have is 1.

All the others are divisible by 1 & 3.

3 0

3 years ago

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A bathtub can hold up to 110 gallons of water. The bathtub now contains 78

Irina18 [472]

Answer: (B) 30 gallons.

Step-by-step explanation: Lets subtract 110 - 78 to find the maximum amount of additional water, w that can be added to the tub.

110 - 78 = 32.

round 32 to 30.

So, a reasonable value would be 30 gallons.

7 0

2 years ago

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Problem 2.9 a runner completes the 200-meter dash with a time of 20.19 seconds. part a what was the runner's average speed in me

Elina [12.6K]

Answer:

Average speed = 9.91 m/s

Explanation :

Total distance covered by a runner = 200 m

Time taken to complete this distance = 20.19 sec

We need to find the average of runner speed in meter/sec

We use the speed, distance, time formula

$speed = \frac{distance}{time}$

speed = $\frac{200}{20.19}$

Average speed = 9.91 m/s

that's the final answer.

I hope it will help you.

8 0

2 years ago

Line m is parallel to line n.If the slope of line m is -2,what is the slope of line n?

Akimi4 [234]

Answer:

-2

Step-by-step explanation:

they are parallel so same slope but different y intercepts

5 0

2 years ago