MATHEMATICS HIGH SCHOOL

The weight of an object on the moon varies directly with its weight on Mars. If an object weighing 110 g on the moon weighs 250 g on mars, how much does an object weigh on the moon if it weighs 100 g on Mars?

Answers

Answer 1
Answer:

Answer: 44g is the answer

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The hair on your head grows 1 and a half inch per month.Is it discrete or a continous relationship ?

Answers

I would say continuous, because it keeps happening and never stops.
it is a continuous relationship because your hair keeps growing over time. If it were discrete you hair would only grow 1 1/2 inches at the very end on the month which is not the case.
Hope that makes sense(;

What is the equation of the line that passes through (5, -2) and (-3, 4)?3x - 4y - 7 = 0
3x + 4y - 7 = 0
-3x + 4y - 7 = 0

Answers

Hello,
answer B

y+2=(4+2)/(-3-5)(x-5)
==>y+2=-3/4 (x-5)
==>4y=-3x+7
==>3x+4y-7=0

What are the excluded values?
7b^3/b^2-7b+10

Answers

The expression
7b^3/(b^2 - 7b + 10)
will become undefined if the denominator is equal to 0. To find the excluded values, we must then equate the denominator to 0.
So,
b^2 - 7b + 10 = 0

Solving the quadratic equation will give the roots:
b = 5 and 2

Therefore, the excluded values are b = 5 and 2.

the answer is option B, b = 2 and 5

(4*10^8)^ simplify expression write in scientific notation1.6*10^7

16*10^16

8*10^17

1.6*10^16

Answers

Question asked: 
(4*10^8)^2

Solve:
=160000000000000000

Turn to scientificnoation:
1.6 * 10^17
Final answer: A 1.6*10^7

Answer:

a

Step-by-step explanation:

A new online music service has a collection of 1,500 songs. It expects to triple the number of songs each year for the next few years. Write an equation representing the relationship, where x is time in years, and y is the number of songs available. a) y = 1500 * 3^x b) y = 1500 + 3x c) y = 1500 * x³ d) y = 1500 / (3^x)

Answers

Answer:

a) y = 1500 * 3^x

Step-by-step explanation:

This equation indicates that the number of songs available, y, is equal to the initial number of songs (1500) multiplied by 3 raised to the power of the number of years, x. This reflects the expectation that the collection of songs will triple each year.

A theater has 675 seats. there are three times as many seats in a row as their are rows

Answers

Answer:

Step-by-step explanation:

let the number of rows=x

seats in each row=3x

so number of seats=x(3x)=3x²

3x²=675

x²=225

x=15

number of rows=15

and seats in each row=15×3=45

Answer: 15 rows with 45 seats each

Step-by-step explanation:

Let x = the number of rows, then 3x= the number of seats in a row.

                                   seats × row= total

                                            3x × x=675

                                                3x²=675

                                                  x²=225

                                                   x=15
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