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hammer [34]
3 years ago
5

In January Mr.Tan's students read 20 books. In February, they read 15 books. What is the percent increase or decrease in the num

ber of books the read?
Mathematics
1 answer:
DIA [1.3K]3 years ago
5 0

Answer:

there is a 25% decrease in books being read

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find the total cost of this food: 4lb. steak @ 3.89 per pound, 4 dozen eggs @ $1.05 per dozen, 2 gallons of milk @ $1.99 per gal
tia_tia [17]

Answer: The employees in a firm earn $8.50 an hour for the first 40 hours per week, and 1.5 ... purchase 4 lb steak for $3.89 per pound, 4 dozen eggs for $1.05 per dozen, 2 gallons of milk for $1.99 per gallon, and 3 loaves of bread for $1.79 per loaf

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Consider the following functions
TiliK225 [7]

Step-by-step explanation:

g(5)=3(5)-11

=15-11

=4

f(g(5))=2(4)²+4(4)+10

=2(16)+16+10

=32+26

=58

5 0
3 years ago
For a certain casino slot machine comma the odds in favor of a win are given as 7 to 93. Express the indicated degree of likelih
ruslelena [56]

Answer:

0.07

Step-by-step explanation:

it is given odds in favor of a win is 7 to 93

we have to find the degree of likelihood as a probability

total sample space =7+93=100

so the degree of likelihood as a probability = \frac{7}{100} =0.07

so we can conclude that the probability will be 0.07 which is very less so the chances of win in the casino is very less

3 0
3 years ago
Pedro is building a playground in the shape of a right triangle. The base of the triangle is 18 yards. The height of the triangl
Bezzdna [24]

Answer:

567 square yards

Step-by-step explanation:

The Area for 1 Triangular playground = 1/2 × Base × Height

The base of the triangle is 18 yards. The height of the triangle is 21 yards.

Hence:

= 1/2 × 18 yards × 21 yards

= 189 square yards

The area of the Triangular 3 playground is given as:

= 3 × 189 square yards

= 567 square yards

6 0
3 years ago
Solve the following system of equations algebraically. Verify your solution either graphically or by using matrices.
LiRa [457]
3x - y = 0 . . . (1)
5x + 2y = 22 . . . (2)

From (1), y = 3x . . . (3)

Putting (3) into (2) gives:
5x + 2(3x) = 22
5x + 6x = 22
11x = 22
x = 2

From (3), y = 3(11) = 33

x = 11, y = 33.
5 0
2 years ago
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