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Sholpan [36]
3 years ago
5

340 pages; 20% decrease 340 pages; 20% decrease

Mathematics
1 answer:
AlekseyPX3 years ago
5 0

Answer:

272 pages

Step-by-step explanation:

First, think of 100% of "x" as x*1.00

Thus, 80% of "x" is x*0.8

So, a 20% decrease of "x" would be x*(1.00-0.2)=x*0.8

We know x is 340 pages, so a 20% decrease would be 340*0.8=272 pages.

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The larger of two numbers is five more than the smaller. Twice the larger is twenty less than four times the smaller. Find the n
lesantik [10]

Answer: Small number = 15.

Larger number = 20

Step-by-step explanation:

Let the smaller number be x.

The larger of two numbers is five more than the smaller. Thus, the larger number is x+5.

Twice the larger is twenty less than four times the smaller. This can.be written as:

2(x + 5) = 4x - 20

2x + 10 = 4x - 20

2x - 4x = -20 - 10

-2x = -30

x = 30/2

x = 15

The smaller number is 15

Larger number = x + 5 = 15 + 5 = 20

6 0
3 years ago
HELP!!!!!! What is the equation of the axis of symmetry for the parabola ​
Dima020 [189]

Answer:

The line of symmetry is x = 3

Step-by-step explanation:

To find the line of symmetry in this case, use the base formula for vertex form.

y = a(x - h) + k

In this formula, h is the line of symmetry. In this case, h is 3.

3 0
3 years ago
Someone help me with this ASAP!!
belka [17]

Answer:

19 1/2

Step-by-step explanation:

I was doing this half a decade ago, so I'm pretty sure it's right

5 0
4 years ago
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Which sequence of transformations will change figure PQRS to figure P′Q′R′S′?Counterclockwise rotation about the origin by 90 de
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HELP. Write key ideas or a short summary about algebraic notation.
kramer

Answer:

Coefficients

In Algebra we work with Variable, Symbols or Letters whose value is unknown to us.

Algebraic Expression

In the above expression (i.e. 5x – 3),

x is a variable, whose value is unknown to us which can take any value.

5 is known as the coefficient of x, as it is a constant value used with the variable term and is well defined.

3 is the constant value term which has a definite value.

The whole expression is known to be the Binomial term, as it has two unlikely terms.

4 0
4 years ago
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