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tresset_1 [31]
3 years ago
15

What are the primary factorization of these following numbers : 90,86,25,68,97

Mathematics
1 answer:
wel3 years ago
7 0
If u can message me on my profile, I can help you
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Hezekiel runs 1000 m at a rateof 3 minutes per km. how long does he take to run 500 m​
lana66690 [7]

Step-by-step explanation:

1 km = 1000 m

(hence the term "kilo" which means 1000).

so. he runs 1000 m at the rate of 3 minutes per km, that means 3 minutes per 1000 m.

now, we can see the solution already with our eyes.

but let's do it formally :

the rate or ratio between time and distance must be the same for the same speed.

so,

3 min / 1000 m = x min / 500 m

500 m × 3 min / 1000 m = x min

1/2 × 3 min = x min

3/2 = 1.5 min = x min

so, it takes him 1.5 minutes (90 seconds) to run 500 m.

3 0
2 years ago
Help me im just too lazy to figure it out :)
goldenfox [79]

Answer:

m= -16

Step-by-step explanation:

you would add 19 to -35 because you are trying to isolate the variable m.

7 0
3 years ago
Read 2 more answers
Hello again,
Nataly [62]

Answer: 395

Step-by-step explanation:

201+99+95

5 0
2 years ago
Help asap pleaseeee (if u do ily)))
n200080 [17]

Answer:

B) 120

Step-by-step explanation:

180 - 60 = 120

Hope that helps!

4 0
2 years ago
Read 2 more answers
A gust of wind forces a rock to fall off a cliff that's 20 feet high. This is represented by the function h(t) = –16t2 + 20, whe
Helga [31]

Answer: C.) 1.12 seconds

Step-by-step explanation:

Hi, to answer this question we have to substitute h=0 (when the rock hits the ground the height above it is 0) in the equation given:

h (t) = –16t2 + 20

Solving for t (time)

0= –16t2 + 20

16t2=20

t2=20/16

t=√1.25 =1.12 seconds (option C)

Feel free to ask for more if needed or if you did not understand something.

8 0
2 years ago
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