All categories

3 years ago

Find the sum:28.43 + (-13.17) + 2.07

Mathematics

2 answers:

Masja [62]3 years ago

4 0

28.43 + (-13.17) + 2.07 =17.33

Lena [83]3 years ago

3 0

Okay, just remember with signs, a positive and a negative equals a negative.

28.43-13.17+2.07= 17.33

I hope this helped!

Brainliest answer is always appreciated!

You might be interested in

What is the equation of a line perpendicular to y= 3/4x +12 that passes through (12, 3)

ycow [4]

Answer:

y=-4/3x-9

−

Step-by-step explanation:

First we need to get the slope of the perpendicular line

The slope of a perpendicular line is equal to the negative inverse of the slope of the given line

−

⇒

−

⇒

−

⇒

−

Now that we have the slope, we need to find the y-intercept.

To find the y-intercept, we need to plug-in values of

and

that the line passes through

⇒

−

⇒

−

(

−

)

⇒

−

Therefore, the equation of the line is

−

4 0

3 years ago

Oblicz.Pamiętaj o kolejności wykonywania działań

SashulF [63]

Answer:

33.275

Step-by-step explanation:

1 step: Difference in brackets

$3.5-2\dfrac{1}{3}=3\dfrac{1}{2}-2\dfrac{1}{3}=(3-2)+\left(\dfrac{1}{2}-\dfrac{1}{3}\right)=1+\dfrac{3-2}{3\cdot 2}=1+\dfrac{1}{6}=1\dfrac{1}{6}$

2 step: $0.75\div\dfrac{1}{3}$

$0.75\div\dfrac{1}{3}=\dfrac{75}{100}\div \dfrac{1}{3}=\dfrac{3}{4}\times \dfrac{3}{1}=\dfrac{9}{4}$

3 step: $1.28\div 0.04$

$1.28\div 0.04=128\div 4=32 \ \text{Move point two decimal places}$

4 step:

$2\dfrac{1}{4}\times 1\dfrac{1}{6}=\dfrac{2\cdot 4+1}{4}\times \dfrac{1\cdot 6+1}{6}=\dfrac{9}{4}\times \dfrac{7}{6}=\dfrac{63}{24}=\dfrac{21}{8}$

5 step:

$\dfrac{9}{4}+32-\dfrac{21}{8}+1.65=(32+1.65)+\left(\dfrac{9}{4}-\dfrac{21}{8}\right)=33.65+\dfrac{9\cdot 2-21}{8}=33.65-\dfrac{3}{8}=33.65-0.375=33.275$