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Advocard [28]
3 years ago
15

The solution to 4.2x = 19.32 is x = ___. (3 points)

Mathematics
2 answers:
Alla [95]3 years ago
5 0
4.6 because you divide both sides by 4.2
trasher [3.6K]3 years ago
3 0

Answer:

4.6

Step-by-step explanation:


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Which expression is equivalent to 12 1/5 - ( 22 2/5 ) - ( 40 1/5 ) ?
RideAnS [48]

Answer:

-50 2/5.

Step-by-step explanation:

First subtract the whole numbers:

12 - 22 - 40

= -50.

Next the fractions:

1/5 - 2/5 - 1/5

= -2/5

So the answer is -50 2/5.

4 0
3 years ago
What values are needed to make each expression a perfect square trinomial?
serg [7]

Answer:

1) 1  2)100 3)6.25.

Step-by-step explanation:

Any  trinomial is of the form ax^2+bx+c .

To make the expression a perfect square we take half of b term then square it Add (\frac{b}{2})^2This is what we add to make the expression a perfect square.

1)Half of coefficient of x term is 1 .

Square it that is 1 is added to make it a perfect square.

x^{2}+2x+1

2) Half of coefficient of x term that is 20÷2=10 .Square it that is 100 is added to make it a perfect square.

x^{2} -20x+100

3) Half of coefficient of x that is 5÷2=2.5.Square it 6.25 is added to the expression to make it a perfect sqauare.

x^{2} +5x+6.25.

5 0
3 years ago
Read 2 more answers
Grayson is a kickboxing instructor who will be teaching classes at a local gym. To get certified as an instructor, he spent a to
Dmitrij [34]

Answer:

If Jeffrey takes 50 classes in his first month as an instructor, he will earn back the amount he spent on certification.

Step-by-step explanation:

7 0
3 years ago
What is inequality shown?
fenix001 [56]

Answer:

y<1

Step-by-step explanation:

3 0
3 years ago
The only swimming pool at the El Cheapo Motel is outdoors. It is 5.0 m wide and 12.0 m long. If the weekly evaporation is 2.35 i
Alika [10]

Answer:

946.10 gallons per week

Step-by-step explanation:

1 cm = 0.393701 inch

Width = 5.0m = 196.85 inch

Length = 12.0 m = 472.44 inch

The volume evaporated weekly is given by:

V = L*W*2.35 = 196.85*472.33*2.35\\V=218,550.12\ in^3

Converting to gallons:

1\ gal = 231\ in^3\\V=\frac{218,550.12}{231}\\V= 946.10\ gal

946.10 gallons of water must be added to the pool each week.

3 0
4 years ago
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