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Alex73 [517]
3 years ago
14

What is the simplified expression for the expression below? -⅕(5 x + 20) - ¼(4x-28)

Mathematics
1 answer:
kotykmax [81]3 years ago
6 0

Answer:

-2x+3

Step-by-step explanation:

=-⅕(5 x + 20) - ¼(4x-28) <-- Distribute

=-x + -4 + -x +7 <-- Combine all like terms

=-2x+3

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Is it true that energy never moves
seraphim [82]

Answer:

False

Step-by-step explanation:

Energy is transferred from one object to another when a reaction takes place. Energy comes in many forms and can be transferred from one object to another as heat, light, or motion, to name a few.

7 0
4 years ago
Help me pleasee i really need help
Usimov [2.4K]
For ALL of these....use these formulas...

Finding Markup%

Markup=Selling Price-Cost

Markup%= \frac{Markup}{Cost}*100

1.) Recliner Chair.   Cost=$61  Sell Price=$75.99

Markup= $75.99-$61
M=$14.99

Markup%= \frac{14.99}{61} *100

Markup%=24.5%  (Markup less than 25%)

2.) Basket Ball.    Cost=$23.75  Selling Price=$29.95

Markup= $29.95-$23.75
M=$6.20

Markup%=\frac{6.20}{23.75} *100

Markup%=26.1 (Markup greater than 25%)

3.) Necklace.  Cost=$15  Selling Price=$19.25

Markup= $19.25-$15
M=$4.25

Markup%=\frac{4.25}{15}*100

Markup%=28.3 (Markup greater than 25%)

4.)Notepad.  Cost=$1.19  Selling Price=$1.50 

Markup=$1.50-$1.19
M=$0.31

Markup%=\frac{0.31}{1.19}*100

Markup%=26.1 (Markup greater than 25%)

5.)Speakers.  Cost=$44.55  Selling Price=$54.99

Markup=$54.99-$44.55
M=$10.44

Markup%=\frac{10.44}{44.55} *100

Markup%=23.4 (Markup less than 25%)

6.) DVD.  Cost=$10.80  Selling Price=$12.95

Markup=$12.95-$10.80
M=$2.15

Markup%=\frac{2.15}{10.80}*100

Markup%=19.9 (Markup less than 25%)

I hope this benefits other people in the future. :D
5 0
3 years ago
One card is dealt from a 52 card deck. Find the probability that the dealt card is a 4 or a black 7
patriot [66]

Answer: 6/52 (Fraction)


Step-by-step explanation:

We know that there is 26 black cards, therefore 2 black 7's we also know there is four 4's in the pack therefore we add the 2 + 4 = 6 and it has to be in a fraction so it becomes 6/52

5 0
3 years ago
Read 2 more answers
A man made a loss of 15% by selling an article for $595. Find the cost price of the article​
drek231 [11]

Answer:

$700

Step-by-step explanation:

If he made a loss of 15%, then it means that selling price is 85% of the cost price.

If the cost price is x, then we have;

0.85x = 595

x = 595/0.85

x = $700

5 0
2 years ago
Domain of (x-5)(x+5)
soldier1979 [14.2K]
X2 -25 that’s the answer but it’s x squared 2 if that makes sense
4 0
3 years ago
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