3 years ago

Mittens 85 Solve the proportion missing quantity. for the 5

Mathematics

1 answer:

Troyanec [42]3 years ago

6 0

What this doesn’t make sense

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There are two twins. One twin wants to explore the planet near Proxima Centauri and leaves on a spaceship traveling at 90% of th

miskamm [114]

Answer:

<em>4.7 years</em>

Step-by-step explanation:

Distance of planet from Earth = 1.3 parsec

We know that 1 parsec = 3.26 light years

And a light year is the distance traveled by light in time period of 1 year.

So, Distance of planet from Earth = 1.3 $\times$ 3.26 = 4.24 light years

Given that, the person travels at a speed equal to 90% of the light speed.

To travel to the planet from Earth, Light takes 4.24 years.

To travel the distance $D$ , at a speed $s$ light takes time of 4.24 years.

To travel the distance $D$ , at a speed $0.90s$ , the person takes time:

$\dfrac{4.24}{0.90} = \bold{4.7\ years}$

So, the twin on Earth ages by <em>4.7 years.</em>

7 0

3 years ago

A 5 poundbag of peanuts costs $9.30. It's going to be divided into 3/4 pound bags. How much will one bag cost?

dsp73

9.3/5 means that each pound is $1.86.

3/4 ($1.86) =$1.395 or $1.40 for 3/4 pound of peanuts. Hope that helps. :)

7 0

3 years ago

What value of "a" makes the system 3x-y=17 and ax+y=-7 have no solution?

Norma-Jean [14]

Answer:

y=-7-ax

3x-(-7-ax)=17

3x+7+ax=17

3x+ax=10

x(3+a)=10

x=10,3+a=10 a=10-3 a=7

5 0

3 years ago

Help me with this plz

djyliett [7]

Ok what do u need help with?

7 0

3 years ago

Jeff brought a bottle of water for $2.He also brought some hot dogs for $3 each.Jeff did not spend more than $14 on the hot dog

Gala2k [10]

The answer would be D because 3h + 2 (water) has to be less than or equal to > 14

8 0

3 years ago

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Mittens 85 Solve the proportion missing quantity. for the 5​

Mittens 85 Solve the proportion missing quantity. for the 5