645 divided by 43 I need help please

Mathematics

2 answers:

ankoles [38]2 years ago

7 0

Answer:

Step-by-step explanation:

plug it into a calculator and u get 15 its very simple

stealth61 [152]2 years ago

3 0

The answer you’re looking for is 15

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77 over 200 as mixed number as a decimal

e-lub [12.9K]

Every mixed number is (a whole number) + (a piece of another one).
So every mixed number must be bigger than ' 1 ', because ' 1 ' is the
smallest whole number.

77/200 is less than ' 1 ', because the numerator is less than the
denominator. So it doesn't have what it takes to be a whole number.

Every fraction is a short way to write a division problem. It means

(the top number) divided by (the bottom number).

When you actually do the division, the answer is the decimal form
of the fraction.

When you divide 77 by 200 , you get 0.385 .

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2 years ago

How many groups of 1/5 are in 4

snow_lady [41]

Answer:

Step-by-step explanation:

To find this, we need to figure out what 1/5 is as a decimal

5/5 = 1, so 5 groups of 1/5 equals 1

Multiply this by 4, 20 groups of 1/5, or 20/5 = 4

Now we confirm this

1/5=0.2

4/0.2=20

So it is true

Hope this helps!^^

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4 months ago

Write the natural numbers from 1 to 30. What fraction of them are prime numbers?

kicyunya [14]

Answer:

The natural numbers from 1 to 30:

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30.

The prime numbers are: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29.

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2 years ago

Read 2 more answers

Which point is in the solution set of the given system of inequalities 3x+y>-3,x+2y<4

Sever21 [200]

We have these system of inequalities:

$\left \{ {{3x+y>-3} \atop {x+2y$

In this way, we have two straight lines that can be solved as follows:

$(1) \ 3x+y=-3 \therefore y=-3x-3 \\ \\ (2) \ x+2y=4 \therefore y=-\frac{x}{2}+2$

This two lines has been plotted in the Figure below and the region of the inequality is indicated in gray color. Therefore, each point in this region satisfies the system of inequalities. To illustrate this, let's take a point within the gray region, say (0, 0):

$\left \{ {{3x+y>-3} \atop {x+2y-3} \atop {(0)+2(0)-3} \atop {0$