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Lana71 [14]
4 years ago
10

Ejercicio 3 porfavor es para mañana

Mathematics
1 answer:
Mandarinka [93]4 years ago
4 0

Answer:

No estoy muy seguro de lo que significan los puntos y comas, pero la respuesta para A entre paréntesis son (18):(51):(7) B es -26:12. C es 12:2. D es 101. Espero que esto ayude, ¡buena suerte! :)

Step-by-step explanation:

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A bike wheel has a radius of 12 inches. How far will someone travel in 500 rotations? About how far is this in feet? Round to th
Lorico [155]

Answer:

3142 feet

Step-by-step explanation:

first, find the circumference of the wheel.

approx 75.4

every one rotation you travel approximately 75.4 inches

75.4 x 500 =37,700

37,700/12 = feet traveled

3141.6... feet

rounded = 3142

8 0
3 years ago
Natalie is completing construction of an equilateral triangle inscribed in a circle, as shown below: What should be the next ste
dsp73

OMG U GO TO MY SCHOOL!!!! What grade r u in?!?!

It might be a little late BUT the answer is B

4 0
3 years ago
Read 2 more answers
The bear lake is 24 miles long. Suppose John starts cycling art one end at 20 m.p.h. and Ramona starts at the other end at 15 m.
Fed [463]

Answer:

24/35 hours  or 0.69 hours

Step-by-step explanation:

we know that

The speed is equal to divide the distance by the time

Let

x-----> distance traveled by John

(24-x) ----> distance traveled by Ramona

The time is equal to divide the distance by the speed

so

x/20=(24-x)/15

15x=20(24-x)

15x=480-20x

15x+20x=480

35x=480

x=480/35 miles

the time is equal to

t=x/20

t=480/(20*35)=24/35=0.69 hours

8 0
3 years ago
HELP!
Vesna [10]
A(n)=a+(n-1)d
A(40)= -1+(40-1)-4
A(40)= -1+39(-4)
A(40)= -1+(-156)
A(40)= -157
4 0
3 years ago
Element X decays radioactively with a half life of 9 minutes. If there are 890 grams of Element X, how long, to the nearest tent
elena-s [515]

Answer:

13.18651685

13.9

Explain:

890-238=652
652/890=0.7325842697 (Find out the percentage)

We know that 1 gram of Element X will be fully decayed in 18 minutes and half of it in 9 minutes.

0.7325842697x18=13.18651685

As you see 18/13.18651685 will equal to 18 (not exactly since it is rounded)

And of course we need to round it to nearest tenth. So the answer would be 13.9!

3 0
2 years ago
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