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ipn [44]
2 years ago
11

I need help please and thank you

Mathematics
1 answer:
Setler [38]2 years ago
5 0
12.57 m sq hope that helps
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h = -16t^2 + 541? its been forever since i had to do this and frankly I'm completely lost. please if you answer this can you tea
natta225 [31]
A = -16  b = 0  c = 541
Use the quadratic formula which is
x = [-b +- sq root (b^2 -4*a*c)] / 2*a
x = [-0 +-sq root (0 -4*-16*541)] / 2 * -16
x = + - sq root (0 -4*-16*541) / -32
x = + - sq root (34,624) / -32
x = + - 186.075 / -32

x1 = 186.075 / -32 = <span> <span> <span> -5.81484375 </span> </span> </span>
x2 = -186.075 / -32 = <span> <span> <span> 5.81484375 </span> </span> </span>


7 0
3 years ago
A dog show has 6 small dogs, 12 medium-sized dogs, and 6 large dogs. What is the probability that a dog chosen at random is a sm
sineoko [7]

Answer:

6/24= 3/12 = 1/4= 25%

Step-by-step explanation:

add 6+6+12 = 24. 6 small dogs so 6/24 and simplify

4 0
3 years ago
ANYONE PLZZ THIS DUE IN AN HOUR!!!! Will mark the brainliest
Semenov [28]

Answer:

Option C is correct.

Step-by-step explanation:

The area of 1 side of the divider is approximately 8 x 3 = 24 < 25  

Hope this helps!

:)

4 0
3 years ago
Multiplying polynomials (3m-1)(8m+7)
Zolol [24]
(3m-1)(8m+7)=3m\cdot 8m+3m\cdot 7-1\cdot 8m-1\cdot 7=\\ \\=24m^2+21m-8m-7=24m^2+13m-7


3 0
3 years ago
Read 2 more answers
Alison has 1.60 worth or nickels and dimes in her coin purse. She has 11more nickels than dimes. How many of each coin does she
IrinaK [193]

Answer: she had 18 nickels and 7 dimes.

Step-by-step explanation:

The worth of a dime is 10 cents. Converting to dollars, it becomes

10/100 = $0.1

The worth of a nickel is 5 cents. Converting to dollars, it becomes

5/100 = $0.05

Let x represent the number of dimes that she has in her coin purse.

Let y represent the number of nickels that she has in her coin purse.

Alison has 1.60 worth of nickels and dimes in her coin purse. This means that

0.1x + 0.05y = 1.6 - - - - - - - - - - - 1

She has 11 more nickels than dimes. It means that

y = x + 11

Substituting y = x + 11 into equation 1, it becomes

0.1x + 0.05(x + 11) = 1.6

0.1x + 0.05x + 0.55 = 1.6

0.15x = 1.05

x = 1.05/0.15

x = 7

y = x + 11 = 7 + 11

y = 18

4 0
3 years ago
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