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sattari [20]
2 years ago
9

Please help me for urgent​

Mathematics
1 answer:
Keith_Richards [23]2 years ago
5 0

For question (ii) I'm not sure if the answer is correct or not because I don't understand the question asked ...

I hope I can help ....

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Ariela is selling tickets to a play. adult tickets cost $12.25 and children's tickets cost $8.75. the total amount of money she
Romashka [77]
12.25x + 8.75y > = 90 (thats greater then or equal) <== ur inequality
4 0
3 years ago
Read 2 more answers
Forty five percent of middle schools have a horse as a mascot. If there are 420 middle schools how many have a horse as a mascot
allochka39001 [22]
189
Because you have to turn it into a percentage in order to know how many per 1 percent. So multiply 420 by 100 and get 4.2 then you multiply it by 45 and you get 189 so 179 schools have a horse mascot
3 0
3 years ago
An animal shelter has a total of 5 * 47 animals comprised of cats, dogs, and rabbits. If the number of rabbits is 5 less than on
Dvinal [7]

The number of dogs in the animal shelter which comprise of cats, dogs, and rabbits is 84 dogs.

<h3>Equation</h3>

Total animals = 5 × 47

= 235

  • Number of rabbits = 1/2(d + 20) - 5
  • Number of cats = d + 20
  • Number of dogs = d

235 = d + (d + 20) + 1/2(d + 20) - 5

235 = d + d + 20 + 1/2d + 10 - 5

235 = 2 1/2d + 25

235 - 25 = 2 1/2d

210 = 2 1/2d

d = 210 ÷ 2 1/2

d = 210 ÷ 5/2

= 210 × 2/5

= 420/5

d = 84 dogs

Learn more about equation:

brainly.com/question/2972832

#SPJ1

5 0
2 years ago
Help for this question pls :)
Lyrx [107]

Step-by-step explanation:

tan(A/2)

tan(A/2)=sinA/1+cos A

tan(A/2)= 5/13÷1+12/13

tanA/2=1/5

4 0
3 years ago
Read 2 more answers
Solve the equation by completing the square. Round to the nearest hundredth if necessary. x^2 + 2x = 17
earnstyle [38]

Answer:

<h2>x = -5.24 or x = 3.24</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(8)\\\\x^2+2x=17\\\\x^2+(2)(x)(1)=17\qquad\text{add}\ 1^2\ \text{to both sides}\\\\\underbrace{x^2+(2)(x)(1)+1^2}_{(*)}=17+1^2\\\\(x+1)^2=18\iff x+1=\pm\sqrt{18}\qquad\text{subtract 1 from both sides}\\\\x=-1\pm\sqrt{18}\\\\x\approx-1-4.24=-5.24\ \vee\ x\approx-1+4.24=3.24

4 0
3 years ago
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