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Travka [436]
4 years ago
6

$30 bat; 15% discount

Mathematics
1 answer:
Vladimir [108]4 years ago
8 0
Multiply $30 by 0.15 to find the amount discounted:
30x0.15=$4.50

Now subtract 4.5 from 30 to find the final cost of the bat.
30-4.5= $25.50
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6. The area of a rectangular sheet of paper is 300 cm squared. The length is 5 cm more than the width
konstantin123 [22]

Answer:

Step-by-step explanation:

width = x

length= x + 5

a)  x + 5

b) x * (x+5) = 300

x^2 + 5x = 300

x^2 + 5x - 300 = 0

Δ = 25 + 1200 = 1225

width = (-5 + 35)/2 = 15 cm

lenght = 15 + 5 = 20 cm

8 0
3 years ago
Read 2 more answers
Find the diagonal of a television screen 30 inches wide by 35 inches tall.
marin [14]

Answer:

46.1 in

Step-by-step explanation:

Given data

Width= 30in

Height= 35in

To find the diagonal, we have to use the Pythagoras theorem

z^2= x^2+y^2

z^2= 30^2+ 35^2

z^2= 900+1225

z^2= 2125

z= √2125

z= 46.09

Hence the diagonal of the TV is 46.1 in

4 0
3 years ago
In apirl is rained 1/4 of a inch on 15 diffret day how many inches of rain fell
Ne4ueva [31]

In 15 diffret days 15/4 inches of rain fell in April month if every day rained 1/4 of a inch .

How to find the rain fell in 15 diffret days ?

We know that rain in every day is 1/4 of a inch

So for 15 days

1/4+1/4+1/4+......15times\\=15/4

So in 15 diffret days in April rain fell is 15/4 inches.

Learn more about the rain fall is here :

brainly.com/question/28049911

#SPJ4

8 0
2 years ago
F(x)=3x^3-4x^2+6x and g(x)=5x^3+2x^2-3x what is f(x)-g(x)
mrs_skeptik [129]
F(x) - g(x) = -2x^3 - 6x^2 + 9x
7 0
4 years ago
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Two mechanics worked on a car. the first mechanic worked for 5 hours, and the second mechanic worked for 15 hours. together they
Ksenya-84 [330]

Alright, lets get started.

Suppose first mechanic charges= x

So, second mechanic charges will be = (125 - x) (because total of their rates was 125)

first mechanic worked for 5 hours, and the second mechanic worked for 15 hours and together they charged a total of $1225

Means

5 x + 15 (125-x) = 1225

5 x + 1875 - 15 x  = 1225

1875 - 10 x = 1225

Adding 10 x in both sides

1875 - 10 x + 10 x = 1225 + 10 x \\1875 = 1225 + 10 x

Subtracting 1225 from both sides

1875 - 1225 = 1225  + 10 x - 1225\\650 = 10 x

Dividing 10 in both sides

\frac{650}{10}  =  \frac{10x}{10}

x = 65

For second mecahnics rate = 125 - 65 = 60

Hence The mechanic who worked 5 hours charged $ 65 per hour, the one who worked 15 hours charged $ 60 per hour: Answer

Hope it will help :)

3 0
3 years ago
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