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3 years ago

Please help me thanks

Mathematics

2 answers:

jek_recluse [69]3 years ago

5 0

3/5 I think is the right number because there’s 60 boys and only 36 of them have a pet.

stealth61 [152]3 years ago

3 0

3/5 because the pets move a lot

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Sally had seventy - seven dollars to spend on eight books. After buying them she had thirteen dollars. How much did each book co

4vir4ik [10]

8 books because 77 minus 13 is 64. 64 divided by 8 is 8.

6 0

3 years ago

There are 20 members of a basketball team.

spin [16.1K]

Answer:

a)125970

b)95040

c)35640

Step-by-step explanation:

a) selecting 12 player from 20 players can be one in $^{20} C_{12}$

$^{20} C_{12}$ = $\frac{20!}{12!X (20-12)!}$

= $\frac{20!}{12!X8!}$

= $125970$

b) since each position has an identity permutations can be used so

Number of ways = $^{12} P_{5}$

= $\frac{12!}{(12-5)!}$

= $\frac{12!}{7!}$

= $95040$

c) coach permutes 4 players for position other than centers in $^{12}P_{4}$ ways and selects center in 3 ways

so, number of ways = $^{12}P_{4}X3$

= $\frac{12!}{8!}X3$

= $35640$

3 0

4 years ago

PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!!

lions [1.4K]

Answer:

85 degrees.

Those two quads are Similar polygons. Just match up the shape and basically do 360 - 110 - 75 - 90 = 85.

5 0

3 years ago

A utility company in a western city of the United States expects the consumption of electricity to increase by 11%/year during t

nevsk [136]

Let C₀ be current consumption. Then consumption (C) after t years is:
C(t) = C₀ * (1 + 0.1)^t 
C(t) = C₀ * (1.1)^t 

After 10 years, consumption will be: 
C(10) = C₀*(1.1)^10 
C(10) = 2.5937424601 C₀ 

Total percentage increase after 10 years: 
(2.5937424601 C₀ - C₀) / C₀ = 1.5937424601 C₀ / C₀ = 1.5937424601 = 159.37% 

Utility company will have to increase generating capacity by 159.37%

6 0

3 years ago

Please answer this!! and show work please

bulgar [2K]

X = 8

AB = 2x+3

<h2>Please Mark Brainliest Ty!<3</h2>

5 0

3 years ago