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olga_2 [115]
2 years ago
7

The photography club has 36 memebers, 16 girls and 20 boys. what is the ratio of girls to boys in the photography club?

Mathematics
2 answers:
exis [7]2 years ago
8 0

Answer:

4:5

girls:boys

16:20

divide both by 4

4:5

sdas [7]2 years ago
8 0
Answer: B) 4:5

Step-by-Step Solution:

Total No. Of Members = 36
No. Of Girls = 16
No. Of Boys = 20

Ratio of Girls to Boys
= 16/20
= 8/10
= 4/5
=> 4:5

Correct Option is C) 4:5
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Al sumar y/o restar números decimales, siempre se debe aplicar la norma de los signos. * 1 punto FALSO VERDADERO
Luden [163]

Answer:

La norma de los signos es para el producto de números reales, y la norma es la siguiente.

(+)*(+) = (+)

(+)*(-) = (-)

(-)*(+) = (-)

(-)*(-) = (+)

Es decir, el producto de dos números de mismo signo es siempre positivo

El producto de dos números de distinto signo es siempre negativo.

Particularmente, para la suma esta norma no funciona (pues no está definida para la suma)

Pero en casos como:

5 - (-4)  

(esto sería: "la diferencia entre cinco y menos cuatro")

notar que podemos reescribir esto como:

5 + (-1)*(-4)

Ahora podemos aplicar la norma de los signos:

5 + 4 = 9

Donde aplicamos la norma de los signos,  

Podemos concluir que, si bien es una regla que aplica al producto, siempre la tenemos que tener en cuenta en cualquier operación que hagamos.

Por lo podemos concluir que la respuesta correcta es verdadero.

7 0
3 years ago
There are two approaches to solving the equation -3x + 10 = 4x - 20
pashok25 [27]

Answer:

X =30/7

Step-by-step explanation:

The first way would be something like:

-7x + 10 = -20. The first thing we would do is to subtract 10 from both sides.

Therefore,

-7x+10-10=-20-10

Simplified, we get

-7x=-30

Remove the negative symbols

7x =30

x=30/7

Second example:

10=7x - 20

Add 20 to both sides.

10+20=7x-20+20

Simplified,

30=7x

x = 30/7

4 0
3 years ago
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What’s the answer?? I need asap!
Softa [21]

Answer:

120°

Step-by-step explanation:

Opposite angles in a cross of 2 lines like this are equal;

A = 120 and B = D = 60°

8 0
2 years ago
Read 2 more answers
Hello there!
Goryan [66]

(x^2+3)^2 + 7x^2+21=-10

We want to convert this equation in terms of m, where m = x^2+3

While solving this problem, I instantly noticed the x^2+3 in the first term of the equation. Replace that with m.

m^2 + 7x^2+21=-10

Simplifying the rest is not as obvious. Using the distributive property, we can change [7x^2+21] to [7(x^2+3)]

Do you see the "m" in here? Look again if you don't.

Now we can simplify the equation to m^2 + 7m=-10 and this cannot be simplified further.

I'm always happy to help someone who appreciates the help! :D

6 0
3 years ago
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What is the value of 14(38−14)+33÷9?
Ira Lisetskai [31]

Step-by-step explanation:

14 of 24 + 33 ÷ 9

336 + 33÷9

336 + 3.67

339.67

7 0
3 years ago
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