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3 years ago

How to solve 100x0.25

2 answers:

7 0

The answer would be 25.

STEP BY STEP EXPLANATION:
When working with decimals can turn it into a fraction.

.25= 1/4

Next, you can multiply it by 100, which is rather simple:
100*1/4
100/4
=25

So, 25 would be your answer...

Hope you understood!!! :)

mart [117]3 years ago

6 0

Answer:

Step-by-step explanation:

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Without solving an equation how can you determine if the equation has one solution?

amid [387]

Answer:

Yes. If it has one variable and not exponential the solution is 1.

If is one variable and to power of 2 it is quadratic and two solutions.

If it two variable with no power it is simultaneous and with 2 solutions. E.t.c

Step-by-step explanation:

7 0

4 years ago

PLEASE HELP ASAP! Several books are placed on the bottom three shelves of a bookcase. When 1 book was taken from the first shelf

sergeinik [125]

Answer:

24 books

Step-by-step explanation:

Initially the top shelf has no books placed on

Then books added to this:

1+2+3= 6

And now all 4 shelves have same amount of books. So total number is:

4*6= 24 books

There are 24 books in the bookcase

6 0

4 years ago

rock is thrown upward with a velocity of 27 meters per second from the top of a 23 meter high cliff and it misses the cliff on t

ahrayia [7]

the rock will be at 11 meters from the ground level after 5.92 seconds

Step-by-step explanation:

The motion of the rock is a free-fall motion, since the rock is acted upon the force of gravity only. Therefore, it is a uniformly accelerated motion, so its position at time t is given by the equation:

$y=h+ut+\frac{1}{2}at^2$

where

h = 23 m is the initial height

u = 27 m/s is the initial velocity, upward

$a=g=-9.8 m/s^2$ is the acceleration of gravity, downward

t is the time

We want to find the time t at which the position of the rock is

y = 11 m

Substituting and re-arranging the equation, we find

$11=23+27t-4.9t^2\\4.9t^2-27t-12=0$

This is a second-order equation, which has solutions:

$t=\frac{27\pm \sqrt{(-27)^2-4(4.9)(-12)}}{2(4.9)}=\frac{27\pm \sqrt{964.2}}{9.8}$

$t_1 = -0.41 s$

$t_2=5.92 s$

The first solution is negative so we neglect it: therefore, the rock will be at 11 meters from the ground level after 5.92 seconds.

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8 0

3 years ago

Rewrite 72.3 + (-39.1) by breaking up each of the place values. In this case, the place values are tens, ones, and tenths.

777dan777 [17]

72.3 - 39.1 = 4 tens - 7 ones - 2 tens is the correct order after rewriting.

Given the formula 72.3 + (-39.1)

removing the parentheses:

= 72.3 + (-39.1) (-39.1)

= 72.3 - 39.1

converting decimal numbers to place values

72.3 = 7tens plus 2units plus 3tenths

72.3 = 7(10) (10)

+2(1)+3(1/10)

72.3 =70+2+0.3

Similarly, 39.1

39.1 = 3tens plus 9units plus 1tenth

39.1 = 3(10)+9(1)+1(1/10)

39.1 =30+9+0.1

72.3 - 39.1 = 70+2+0.3 - (30+9+0.1)

72.3 - 39.1 = 70+2+0.3 - 30-9-0.1

72.3 - 39.1 = 70-30+2-9+0.3-0.1

72.3 - 39.1 = 40 - 7 +0.2

Hence after rewriting we get 72.3 - 39.1 = 4 tens - 7 ones - 2 tens

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3 0

1 year ago

What is the y intercept of the line represented by the equation y=-3x-5

ololo11 [35]

The equation is y = mx + b, where m is the slope, and b is the y-intercept. Our equation is y = -3x - 5, but it is minus, not plus, and this is because our y-intercept is negative. So, knowing this, we can determine that our y-intercept is -5.

8 0

3 years ago

Read 2 more answers