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Aleksandr-060686 [28]
3 years ago
5

When is the difference of two decimals equal to a whole number?

Mathematics
1 answer:
trasher [3.6K]3 years ago
4 0

Answer:

The sum (or difference) of two decimals is a whole number when the sum (or difference) of the integers to the right of the decimal points is 0.

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What is the area of the logo?​
Ludmilka [50]

Answer:

the \: area \: of \: the \: logo \: is \:  {91cm}^{2}

Step-by-step explanation:

To determine the area of the logo you have to calculate the area of the triangle and the square that comform it and then add the four areas.

Area of the square.

To calculate the area of the square you have to calculate the square of one of its sides, following the formula:

a =  {a}^{2}

Where "a" is the length of one of its side.

The side length of the square is a=7cm, so its area will be:

asquare =  {7}^{2}  \\ asquare =  {49cm}^{2}

Area of the triangles.

The three triangles are equal, they have a base equal to the side of the square, i.e. with a length of 7cm, and their height is h=4cm.

To calculate the area of one triangle, you have to multiply its base by its height and divide by 2, following the formula:

a =  \frac{b.h}{2}  \\  a =  \frac{7.4}{2}  \\ a =  \frac{28}{2}  \\ a =  {14cm}^{2}

The area calculated the correspond to one triangle, since all triangles are congruent, you have to multiply the said area by 3 to determine the area of three figures:

atriangles = 3a \\ atriangles =  {42cm}^{2}

Now that the area of all shape are calculated, you have to add them to determine the area of the logo:

alogo = asquare + atriangle \\ alogo = 49 + 42 \\ alogo =  {91cm}^{2}

4 0
3 years ago
Read 2 more answers
What is the slope of the line represented by the equation y= 4/5x-3
guajiro [1.7K]

Answer:

m=

\frac{4}{5}

Step-by-step explanation:

Slope of a line is the co efficient of x in the given line.

y =  \frac{4}{5} x - 3 \\ y = mx + b

6 0
3 years ago
Simplify the expressioh 6.9-(-5)+4.1
Vadim26 [7]

Answer:

16

Step-by-step explanation:

6.9-(-5)+4.1

When we subtract negatives, it is like adding positives

6.9 +(5)+4.1

11.9 + 4.1

16

8 0
3 years ago
6. Graph the equation 2x + 3y + z = 6.
inna [77]

Answer:

6th grade for the quarter and the other

Step-by-step explanation:

its been trying

5 0
3 years ago
Anyone know how to do parts of complex numbers
Agata [3.3K]

Answer:

Re = 6.2

Im = 37

Step-by-step explanation:

Re is the Real Axis which is the real number in the equation (6.2).

Im is the Imaginary Axis which is the imaginary number in the equation (37)

6 0
3 years ago
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