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Anastaziya [24]
3 years ago
8

When 4(0.5x+2.5y-0.7x-1.3y+4) is simplified, what is the resulting expression?

Mathematics
2 answers:
padilas [110]3 years ago
8 0

Answer:

-0.8x + 4.8y + 16

Step-by-step explanation:

4(0.5x+2.5y-0.7x-1.3y+4) = 4( 0.5x - 0.7x  + 2.5y - 1.3y + 4)

= 4( -0.2x  + 1.2y + 4)

= 4*(-0.2x)  + 4 *1.2y + 4*4

= -0.8x + 4.8y + 16

Bess [88]3 years ago
6 0

Answer:

-0.8x + 4.8y + 16

Step-by-step explanation:

hope this helps

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F(x) = 2x^3 g(x) = x-3<br><br>find f(2)<br>find g(4)<br>find (f+g) (x)<br>​
rjkz [21]

f(x) = 2 {x}^{3}

f(2) = 2 \times  {2}^{3} = 2 \times 8 = 16

_________________________________

g(x) = x - 3

g(4) = 4 - 3 = 1

_________________________________

(f + g)(x) = f(x) + g(x)

(f + g)(x) = 2 {x}^{3} + x - 3

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Done...♥️♥️♥️♥️♥️

4 0
4 years ago
By what percent is the change in price if: <br> the price was $250 and now is $100
drek231 [11]

Answer: 60 percent decrease

===========================================

Change in price = new - old = 100 - 250 = -150

The negative change means the price has gone down

Divide this change in price over the original 250 and convert to percent form

(change in price)/(original price) = -150/250 = -0.60

which converts to -60%

The negative percent change in price indicates a price decrease

So the price goes down by 60% meaning that it lost 60% of its value

Note how 60% of 250 is 0.60*250 = 150 which was the change in price computed earlier.

4 0
4 years ago
On the first january 2014 carol invested some money in a bank account the account payes 2.5% compound interest per year on 1st j
Sladkaya [172]

Answer:

$23,360

Step-by-step explanation:

Calculation to determine how much carol originally invested in the account

First step is to divide £23517.60 by 1.025

= (23,517.60)/(1+.025)

= (23,517.60)/1.025

=$22,944

Second step is to add back the $1,000 withdrew

=$22,944+$1,000

=$23,944

Now let calculate how much carol originally invested in the account

$23,944=1.025P

Divide both side by 1.025

P=$23,944/1.025

P=$23,360

Therefore the amount that carol originally invested in the account is $23,360

4 0
3 years ago
If Ashley's GPA is 3.5, about what percentage of students have a GPA lower than Ashley's?
IRINA_888 [86]
Answer: 80%

Explanation:
From the provided graph, read the Relative Cumulative Frequency as 0.8 (or 80%) which corresponds to a GPA of 3.5.
This number represents all GPAs lower than 3.5.

3 0
3 years ago
Read 2 more answers
ellas umbrella is 2 feet long. freds umberllla is 22 inches long whos umbrella is longer. How much longer
Damm [24]

Answer:

Ella's by 2 inches

Step-by-step explanation:

One foot equals 12 inches. 2 feet would be 24 inches because 2×12=24 so therefore Ella's umbrella is longer.

7 0
3 years ago
Read 2 more answers
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