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mihalych1998 [28]
3 years ago
10

The local chess club has 60 members twenty four of the members are younger than twenty what percent of the members of the chess

club are younger than twenty
Mathematics
1 answer:
Butoxors [25]3 years ago
8 0
40%     You have to set up an equation
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A pet store sold 36 Siamese cats. If the ratio of Siamese cats to house cats sold was 4:9, what is the combined amount of cats s
Dafna11 [192]

 The combined amount of cats sold is 117.

Ratio expresses the relationship between two variables. It shows the frequency of which that one value is contained within another variable.

The ratio of  Siamese cats to house cats = 4 : 9

Number of Siamese cats = 36

Number of combined cats = c

This equation can be formed using the above information:

4/13 x c = 36

4c = 468

c = 468 / 4

c = 117

A similar question was answered here: brainly.com/question/411732

5 0
3 years ago
Help with number 7 brainliest
marusya05 [52]

Answer:

B

Step-by-step explanation:

He's typing 40 words per minute.

110 words divided by 2.75 minutes.


40 x 4.25 minutes= 170


7 0
3 years ago
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F(x) = 2x - 4<br> f(3) = [?]
Serga [27]
2 would be the answer. Replace the x with the three and multiply that with the 2 and then subtract 4.
5 0
3 years ago
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. Ana tiene el triple de edad que su hijo Jaime. Dentro de 15 años, la edad de Ana será el doble que la de su hijo. ¿Cuántos año
poizon [28]

Answer:

La madre de Jaime tiene 30 años más que él.

Step-by-step explanation:

Llamemos x a la edad actual de Jaime, si la edad actual de Ana es el triple que la de Jaime, entonces la edad actual de Ana es 3x.

Dentro de 15 años, la edad de Jaime será x+15 (edad actual más 15 años) y usando el mismo razonamiento, la edad de Ana será 3x + 15.

Por otro lado el problema nos dice que dentro de 15 años, la edad de Ana (que ya sabemos que será 3x + 15) será igual al doble de la que tendrá su hijo en 15 años. Esto en forma de ecuación se representa:

3x+15=2(x+15) (la edad de Ana será igual que el doble de la de su hijo)

Resolviendo la ecuación:

3x+15= 2(x+15)\\3x+15=2x+30\\3x-2x=30-15\\x=15

Por lo tanto, Jaime tiene 15 años y su madre tiene 3x=3(15)=45 años. Por lo tanto la diferencia de edad es de 30 años y Ana tiene 30 años más que su Jaime.

3 0
3 years ago
Number 3. What is the value of x?
kodGreya [7K]

Answer:

the value of x would be 7

Step-by-step explanation:

because im smartttt

7 0
3 years ago
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