3 years ago

What is -1/2- (-2/5)=

2 answers:

5 0

= -1/2- (-2/5)
= -1/2 + 2/5
find common denominator (2 goes in 10 five times; 5 goes in 10 twice)
= -(5*1)/10 + (2*2)/10
= -5/10 + 4/10
= -1/10

Hope this helps! :)

Inessa05 [86]3 years ago

4 0

-1/2 - (-2/5)

When you subtract a negative number, you add that number

-1/2 + 2/5

Now we need to find a common denominator

-1/2 x 5/5 = -5/10
2/5 x 2/2 = 4/10

-5/10 + 4/10 = -1/10

The answer is -1/10

-1/2 -(-2/5) = -1/10

You might be interested in

olivia has $180 to buy presents for her 3 sisters and 2 nephews. She wants to spend $15 more on each sister than she spends on e

koban [17]

So
if x is the number she spent on each sister and y is the number she spent on each nephew then
180=3x+2y

she wants to spend 15 dollars more on sisters than nephews
so
x=15+y
solve

we have
180=3x+2y and
x=15+y
subsitute 15+y for x

180=3(15+y)+2y
180=45+3y+2y
180=45+5y
minus 45 both sides
135=5y
divide both sides by 5
27=y

solve for x
x=15+y
x=15+27
x=42

she spent $42 on each sister

6 0

3 years ago

8/6 +(-9/5) what will I add together first

Kamila [148]

Answer:

- 14/30

Step-by-step explanation:

Step 1:

8/6 + ( - 9/5 ) Equation

Step 2:

40/30 - 54/30 Convert

Answer:

- 14/30 Subtract

Hope This Helps :)

8 0

3 years ago

X+3-3= -6<br> its my quick hot sauce

Yuri [45]

Ok nice answer…… well done

4 0

3 years ago

A plants height is 1.4 times it’s age. write an equation for this situation.

saveliy_v [14]

5 x 1.4 = 7

I hope this helped you out!

5 0

4 years ago

Eddie's moving company moved 3 boxes out of Mrs. Diaz's house. The box labeled "kitchen" was 4 times heavier than the box labele

Svetach [21]

K - Kitchen
b - Bedroom
l - Library

k = 4b
l = 14b
k + b + l = 817 pounds
4b + b +14b = 817 pounds
19b = 817 lbs
b = 817/19 pounds
b = 43 pounds

Since k = 4b
k = 4 * 43 pounds
k = 172 pounds

7 0

3 years ago