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kogti [31]
3 years ago
9

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)

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Multiple 24 by 8.95 I need to show the work. I don’t know the steps
hjlf

Answer: 214.8

Step-by-step explanation:

First move the decimal to the right, in this case 8.95 = 895., then multiply the 24 by 895. to get 21480., you then move the decimal to the left and you get 214.80 or 214.8.

3 0
1 year ago
Multiply both sides of the each equation in order to get the coefficient to be an integer.
monitta
45= \frac{1}{2}a-3  //+3 \\ 48= \frac{1}{2} a// : \frac{1}{2} \\ 48: \frac{1}{2}=a=\ \textgreater \ 48*2=a=\ \textgreater \ a=96
Hope that helps.Have a nice day!! ^^
5 0
3 years ago
Read 2 more answers
Comparing Relationships with Tables1. Decide whether each table could represent a proportional relationship.If the relationship
yan [13]

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form y=kx

where

k is the constant of proportionality

Verify each table

table a

Let

x ----> distance

y ----> sound level

For each ordered pair calculate the value of k

k=y/x

so

(5,85) -----> k=85/5=17

(10,79) ----> k=79/10=7.9

the values of k are differents

that means

the table nor represent a proportional relationship

table b

let

x ----> volume

y ----> cost

k=y/x

(16,1.49) ----> k=1.49/16=0.093125

(20,1.59) ----> k=1.59/20=0.0795

the values of k are differents

that means

the table nor represent a proportional relationship

6 0
1 year ago
A bottle of cranberry juice contains 32 fluid ounces and costs $2.56. What is the unit rate?
Tamiku [17]
Unit rate is (cost) per 1 unit
the unit is fluid oz
'per' is fraction
cost/1unit
so we do
2.56/32
divide completely
2.56/32=0.08/1
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6 0
3 years ago
Read 2 more answers
X/5 + 1 = 10<br><br> It’s number 11
shusha [124]

Answer:

X = 45

Step-by-step explanation:

7 0
3 years ago
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