The volume of a cube is 400 m3. Which statements are true about the same cube measured in cubic centimeters?



Choose all answers that are correct.



A.


The number representing the volume would decrease.


B.


The number representing the volume would increase.


C.


The actual volume would decrease.


D.


The actual volume would increase.


E.


The actual volume would stay the same.

Answers

Answer 1
Answer: 1 \ m^3=1000000 \ cm^3 \n \n400 \ m^3=400 * 100 00 00 \ cm^3=400000000 \ cm^3

As you can see, the number representing the volume increased. We converted one unit to another but the actual value is the same - 400000000 cm³ is the same as 400 m³.

The correct answers are B and E.

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On which of the following lines does the point (7, 1) lie?A.) y = 5x + 4
B.) y = -x + 8
C.) y = x - 10
D.) y = -4x + 3

Answers

we have that
the point (7, 1)

case 
A.) y = 5x + 4
if the point 
(7, 1) lie to the line
so
for x=7 the value of y must be  1
y=5*7+4------> y=39
39 is not 1---------> the point does not belong to the line

case B.) y = -x + 8
if the point (7, 1) lie to the line
so 
for x=7 the value of y must be  1
y=-7+8------> y=1--------> the point belongs to the line

case C.) y = x - 10
if the point (7, 1) lie to the line
so 
for x=7 the value of y must be  1
y=7-10------> y=-3
-3 is not 1---------> the point does not belong to the line

case D.) y = -4x + 3
if the point (7, 1) lie to the line
so 
for x=7 the value of y must be  1
y=-4*7+3------> y=-25
-25 is not 1---------> the point does not belong to the line

the answer is the option
 B.) y = -x + 8

Which one is an expression of distance in SI units?a. 24 feet
b. 500 meters
c. 30 miles
d.16 kilograms

Answers

The SI unit for distance is the meter so D is your answer. :D

expression of distance in SI units will be sure the choice b. so 500 meters 
just bc. the distance is measured in meters 

hope helped 

How do you solve 60x4 - tens x4

Answers

Well what u do is that u do 60 x 4 which is 240 and now just do 240 x 10 which is going to be 2400.
Hope this helps

Write an equation to find the amount of simple interest, A, earned on a $600 investment after 1 1/2 years if the interest rate is 2%

Answers

The amount of simple interest, A, earned on a $600 investment after 1 1/2 years if the interest rate is 2% , is $618  and the equation is A = 600 + 600 * 0.02 * 1.5.

What is Simple Interest ?

Simple interest is the interest calculated on the principal amount of a loan or the initial investment into a savings account.

The formula used to determine is (P*R*T)/100

It is given that Principal Investment  = $600

Time = 3/2 years

Interest Rate = 2%

Amount A is given by

A = P+ (P*R*T)/100

A = 600 + 600 * 0.02 * 1.5

A = $618

The amount of simple interest, A, earned on a $600 investment after 1 1/2 years if the interest rate is 2% , is $618 .

To know more about Simple Interest

brainly.com/question/22621039

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i=600*0.02*1.5


i= $18

How do you minus fractions

Answers

Hello,


in order to minus fractions, you may decrease the numerator or increase the denominator or both.
Hi there! Let's say I had to subtract 6/10 from 5/10. We would subtract 6 from 5 which is 1 and we leave the denominator the same which is 10. Therefore, we have a fraction of 1/10.

at a point on the ground 15 ft from the tree, the distance to the top of the tree is 1 ft more than 2 times the height of the tree. find the height of the tree.

Answers

Let's say the tree is of height h. The point 15 ft away, the base of the tree, and the height of the tree form a right triangle, where the length of the sides are h, 2h + 1, and 15 (see attached image).

Using the Pythagorean theorem, h^2+ 15^2 = (2h +1)^2

Simplifying it down, we get 3h^2+4h-224=0

We can use the quadratic formula to solve this, where the solutions are (-4 \pm √(4^2 - 4 * 3 * (-224)) )/(2*3) = (-4 \pm √(2704) )/(6) =  (-4 \pm 52)/(6)

Therefore the answers are - (56)/(6) or (48)/(6) =8

The answer is 8 since the height of the tree must be positive.