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katen-ka-za [31]
3 years ago
8

Express two-thirds of age gap in terms of y if the age gap between a father and a daughter is y years

Mathematics
1 answer:
melomori [17]3 years ago
6 0

Answer:

(2/3)y

Step-by-step explanation:

Given that :

Age gap between father and daughter = y

2/3 of the difference in their ages expressed as in terms of y ;

2/ 3 * y

(2/3)y

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Enter your answer in scientific notation
Oxana [17]

It takes 1.7 x 10 ^4 for light from the sun to reach the comet.

<h3>How do scientific notations work?</h3>

The number is written in the form  a \times 10^b where we have 1 \leq a < 10

Scientific notations have some of the profits as:

Better readability due to compact representation

Its value in terms of the power of 10 is known, which helps in the easy comparison of quantities differing by a large value.

A comet is about  5.1 \times 10 ^9 km from the sun.

Light travels at about 3.0 \times 10 ^5 km per second.

\dfrac{5.1 \times 10 ^9}{3.0 \times 10 ^5}

= 1.7 \times 10 ^4

Hence, It takes 1.7 x 10 ^4 for light from the sun to reach the comet.

Learn more about scientific notation here:

brainly.com/question/3112062

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4 0
2 years ago
There are 25 students who answered a survey about sports. Four-fiths of them like football. How many students like football?
exis [7]

Answer:

20

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
What is the answer to this?
Trava [24]

Answer:

<h2>C. 97.6 in³</h2>

Step-by-step explanation:

The formula of a volume of a cylinder:

V=\pi r^2H

r - radius

H - height

We have

2r=4\ in\to r=2\ in\\\\H=8\ in

Substitute:

V_1=\pi(2^2)(8)=\pi(4)(8)=32\pi\ in^3

The formula of a volume of a cone:

V=\dfrac{1}{3}\pi r^2H

We have

r=2\ in\\\\H=0.7\ in

Substitute:

V_2=\dfrac{1}{3}\pi(2^2)(0.7)=\dfrac{1}{3}\pi(4)(0.7)=\dfrac{1}{3}\pi(2.8)=\dfrac{2.8\pi}{3}=\dfrac{28\pi}{30}=\dfrac{14\pi}{15}\ in^3

The volume of the plastic object:

V=V_1-V_2

V=32\pi-\dfrac{14\pi}{15}=\dfrac{480\pi}{15}-\dfrac{14\pi}{15}=\dfrac{466\pi}{15}\\\\\pi\approx3.141\\\\V\approx\dfrac{466}{15}\cdot3.141\approx97.6

7 0
2 years ago
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