3 years ago

Simplify the given expression. 10(0.4x+0.2y)+21(0.6x−0.8y)

Mathematics

2 answers:

Irina18 [472]3 years ago

5 0

Answer:

16.6 x − 14.8 y

Step-by-step explanation:

10 ( 0.4 x + 0.2 y ) + 21 ( 0.6 x − 0.8 y ) :

Simplify each term.

4 x + 2y + 12.6 x − 16.8 y

Simplify by adding terms.

Add 4 x and 12.6 x .

16.6 x + 2 y − 16.8 y

Subtract 16.8 y from 2 y .

16.6 x − 14.8 y.

Delvig [45]3 years ago

3 0

Answer:

your answer would be

Step-by-step explanation:be (0.6x-0.8y)

You might be interested in

Wei has $150.00 to make a garland using 60-cent balloons. He wants to purchase 100 blue balloons and some number of white balloo

DaniilM [7]

$149.60 that's what he will have left

6 0

2 years ago

I need a step by step instruction please

Alika [10]

Answer: $x=52$

Step-by-step explanation:

$x-45+45=7+45\\x=52$

3 0

2 years ago

Which pair shows equivalent expressions?

777dan777 [17]

Answer:

3(x + 2) = 3x + 6

Step-by-step explanation:

3(x + 2) = 3x + 6

Distribute --> 3x + 6 = 3x + 6

5 0

2 years ago

HELP HELP HELP HELP HELP HELP HELP HELP

Vladimir79 [104]

Answer:

2.25

Step-by-step explanation:

in order to find the scale factor from A to B you need to divide B by A. 13.5÷6=2.25. 11.25÷5=2.25 and 4.5÷2=2.25.

therefore the scale factor is 2.25 because when you multiply the sides from A by 2.25 you get the length of the side from B.

5 0

3 years ago

the is a duck in front of two ducks, a duck behind two ducks, and a duck between two ducks. what is the least number of ducks th

nalin [4]

Answer:

Step-by-step explanation:

Three I think.

Donald x x

X X Donald

X Donald X

6 0

2 years ago

Read 2 more answers