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Eva8 [605]
3 years ago
13

What is 1256467x4453564

Mathematics
1 answer:
Arturiano [62]3 years ago
6 0

5,595,756,198,388

Step-by-step explanation:

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A 1500 kg weather rocket accelerates upward at 10 m/s2 . It explodes 2.0 s after liftoff and breaks into two fragments, one twic
S_A_V [24]

Answer:

V2=-20.0155m/s

Step-by-step explanation:

To answer this question we will use the principle of conservation of momentum which is

MtVt=M1V1+M2V2

1) let's find the initial velocity.

We will use,

v=a*t

v=10m/s2*2s = 20 m/s

d=vot+1/2*a*t2

d=0+1/2*10*4

d=20m

2) For the speed of the lighter piece we use,

v22=v12+2ad

0=v12+2*-9.81*(530-20)

v12=10006.2

v1=100.031m/s

3) Computing this in our conservation of momentum equation it will be-

MtVt=M1V1+M2V2

1500kg*20m/s=(1500*1/3)kg*100.031m/s + (1500*2/3)+V2

30000=50015.5+1000V2

Therefore V2=-20.0155m/s.

6 0
3 years ago
A man who is X years old now has a son aged 5 years. In 7 years the father will be 4 times as old as his son will be then . How
Stella [2.4K]

Answer:

48

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Can someone help me on this plz
tatiyna
5. the first equation gives you the value of y. So plug in the value of y into the second equation:
3x+2(-x-7)=3.
Simplify: 3x-2x-14=3.
Subtract: 1x-14=3.
Add 14 to both sides: x=17.
Now you know the x value.
You plug in the x value into the first equation: y=-17-7
Solve: y=-24
Answer: 17, -24
3 0
3 years ago
Read 2 more answers
Solve for X, (with steps please) <br> 0.46=0.527-[0.0562/2 * log(0.1+x/1.5-x)]
Ivanshal [37]
Rearrange the equation: 

\frac{0.0562}{2} * log( \frac{0.1+x}{1.5 - x}) = 0.527 - 0.46 = 0.067

Isolate the log on its own

log (\frac{0.1 + x}{1.5 - x}) = \frac{0.067*2}{0.0562} = 2.42 (2dp)

To get rid of the log you must do 10^2.42 

\frac{0.1 +x}{1.5-x} = 10^{2.42} = 242.29 (2dp)

Then multiply both sides by (1.5 - x)

0.1 +x = 242.29(1.5-x)

0.1 + x = 363.44 - 242.29x

Solve normally

243.29x = 363.34    x = 363.34/243.29    x= 1.49344    x= 1.49 (2dp)

Hope that helps. Please send me a message if there's patchy bits. Also I'm sure you'll figure this out, but just in case, anywhere I've put down a 2dp shows that I've rounded the number to 2 decimal places. It becomes a pain to deal with otherwise. 

3 0
4 years ago
Are 12/20 and 22/30 equivalent fractions? Why or why not?
jek_recluse [69]
Yes! It is equivalent because you are pretty much multiplying 12/20 by 10 which equals 22/30.
8 0
3 years ago
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