All categories

3 years ago

a multiplication that corresponds to each division 10 divided by 5=?, b. 4.5 divided by 3, 1/2 dvided by 4=?

Mathematics

1 answer:

katen-ka-za [31]3 years ago

6 0

Answer:

10 divided by 5=2

2*5=10

4.5 divided by 3=1.5

3*1.5=4.5

1/2 divided by 4=1/8

4*1/8=4/8=1/2

You might be interested in

Which equation is equivalent to the formula below?

ehidna [41]

Answer:

B-is correct

Step-by-step explanation:

y=a(x-h)^2+k

-k -k

y-k=a(x-h)^2

:(x-h)^2 :(x-h)^2

(y-k)/(x-h)^2 =a

3 0

3 years ago

Fifty-five percent of what number is 27.5?

adelina 88 [10]

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

In a parenting magazine, Mrs. Smith read an advertisement about all the different ways that bleach can be used to kill bacteria.

babymother [125]

Question:

(a) How many bacteria would be found in 24 hours

(b) How many bacteria would be found in 2 days

Answer:

(a) 282429536481 bacteria

(b) $7.97*10^{22$ bacteria

Step-by-step explanation:

The question illustrates an exponential function

$y = ab^x$

Where

$a = Initial\ Value = 1$

$b=Rate = 3$ --- i.e. triples

$x = number\ of\ hours$

Solving (a): Bacteria in 24 hours

In this case:

$x = 24$

Substitute $x = 24$ , $b = 3$ and $a = 1$

So:

$y = ab^x$

$y = 1 * 3^{24$

$y = 1 * 282429536481$

$y = 282429536481$ bacteria

Solving (b): Bacteria in 2 days

$2\ days =48\ hours$

So:

$x = 48$

Substitute $x = 48$ , $b = 3$ and $a = 1$

So:

$y = ab^x$

$y = 1 * 3^{48$

$y =7.97*10^{22$ bacteria

Solving (c): How long for 1000 bacteria

In this case:

$y = 1000$

Substitute $y = 1000$ , $b = 3$ and $a = 1$

So:

$y = ab^x$

$1000 = 1 *3^x$

$1000 = 3^x$

Take Log of both sides

$Log1000 = Log3^x$

This gives:

$Log1000 = xLog3$

Make x the subject

$x = \frac{Log1000}{Log3}$

$x \approx 6$

<em>Hence: It takes 6 days</em>

8 0

3 years ago

the volume is 50.24 cubic inches and has a radius of 4 inches. What is the height? Use 3.14 for pie.

Dmitrij [34]

Volume = (1/3)(pi)(r^2)(h)
= (1/3)*3.14*(4^2)(h)
= 16.747h

volume / 16.747 = height = 50.24/16.747 = 3

8 0

3 years ago

The weekday rate for a telephone call is a 2.00 flat fee and a 0.25 for each minute .due to a discount the cost of all calls mad

Ilia_Sergeevich [38]

Monday : 2 + 10*0,25 = 2+2,5 = 4,5

Sunday : Monday - 0,3*Monday = 4,5 - 0,3*4,5 = 4,5 - 1,35 = 3,15

It's cheaper for 4.5 - 3.15 = 1,35

6 0

3 years ago