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Sever21 [200]
3 years ago
5

What are thoes answers

Mathematics
1 answer:
lina2011 [118]3 years ago
3 0
1) (-5)(-3) is 15

2) 24/-4  is -6

3) 36(0.5) is 18

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The price of a book is $45 the sale tax is 4.5% what is the total price of the book​
Murljashka [212]

Answer:

About 47.03 dollars

Step-by-step explanation:

4.5 percent of 45 is 2.025.

Add that to original price of 45.

Round to the nearest tenth.

Hope this helps!

8 0
3 years ago
Read 2 more answers
A store is selling 5 types of hard candies: cherry, strawberry, orange, lemon and pineapple. How many ways are there to choose:(
Volgvan

Answer:

The number of ways of selecting of n items form r different items =^{(n+r-1)}C_{(r-1)}

A store is selling 5 types of hard candies: cherry, strawberry, orange, lemon and pineapple.

A) How many ways are there to choose 32 candies?

So, n = no. of items = 32

r = no. of types of items = 5

So, No. of ways to choose 32 candies = ^{(32+5-1)}C_{(5-1)}

                                                               = ^{36}C_{4}

                                                                 = \frac{36!}{4!(36-4)!}

                                                                 = 58905

So, No. of ways to choose 32 candies is 58905

B)32 candies with at least a piece of each flavor?

Out of 32 you choose 5 candies of different types

So, Remaining candies = 32 - 5 = 27

So, No. of ways to choose 27 candies = ^{(27+5-1)}C_{(5-1)}

                                                               = ^{31}C_{4}

                                                                 = \frac{31!}{4!(31-4)!}

                                                                 = 31465

So, No. of ways to choose 32 candies with at least a piece of each flavor is 31465

C) 32 candies with at least 4 cherry and at least 6 lemon?

So, you already choose 6+4= 10

So, remaining candies = 32-10 = 22

So, No. of ways to choose 22 candies = ^{(22+5-1)}C_{(5-1)}

                                                               = ^{26}C_{4}

                                                                 = \frac{26!}{4!(26-4)!}

                                                                 = 14950

Hence No. of ways to choose 32 candies with at least 4 cherry and at least 6 lemon is 14950

8 0
4 years ago
What is the area of the sector having a radius of 8 and a central angle of 5π3
olganol [36]

Area of a full circle is PI x r^2

Area = 3.14 x 8^2 = 200.96

Area of a sector is area *  central angle / full circle

Area = 200.96 x 5PI/3 / 2PI = 160PI/3

Answer is C.

5 0
4 years ago
Read 2 more answers
What is 7/9 dived by 5/6
Elza [17]

7/9 divided by 5/6

whenever dividing , always flip over the second fraction

7/9*6/5

cross out 9 and 6 , divide by 3

9/3=3

6/3= 2

7/3*2/5

mutiply the numerators together : 7*2= 14

mutiply the denominators together: 3*5= 15

answer:

14/15

7 0
4 years ago
Read 2 more answers
An auto mechanic charges (C) an initial fee of $50 and then $40 per hour. If (h) represents hours, how much will the mechanic ch
Vesnalui [34]

Answer:

$800

Step-by-step explanation:

per hour $40×10hours=$400

$400÷$50=8 times initial fee

8×$50=$400 total initial fee

$400hours fee+$400 initial fee=$800 total payment

7 0
2 years ago
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