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Studentka2010 [4]
3 years ago
15

I need help asap pleaseee

Mathematics
1 answer:
Zarrin [17]3 years ago
4 0

Answer:

x = 3 and 1/3

Step-by-step explanation:

First, get the interior angle of the 114 by subtracting 114 from 180, and you should get 66. Next, add the two known interior angles of 66 and 64 to get 130. With the knowledge that the 3 interior of all triangles add up to 180, you should know that 3x-40 is equal to 180 -130, or 50. With 3x+40 = 50, start by subtracting 40 from both sides for 3x = 10. Finally, divide both sides by 3 to get x = 3 and 1/3

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Simplify completely quantity 6 x minus 12 over 10.
Natali [406]
Hey! 
So we have 6 multiplied by -12 and that is over 10
so we are multiplying a positive number by a negative number. When you do that the answer will be a negative number. 
Now we have -72/10
we can simplify that more
divide the numerator and denominator by 2 because that is the largest number that is divisible by both number
now it is -36/5
The answer is -36/5
Hope this helps!
8 0
3 years ago
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
A bench is 4 meter long. How long are 5 benches if they are placed from end to end? ​
sineoko [7]

Answer:

20m

Step-by-step explanation:

4 x 5 = 20

therefore the 5 benches are 20m long

3 0
4 years ago
What fraction is equivalent to 5/7
balandron [24]
<span>Many fractions.

One of them is 25/35

Divide 25/35 by 5.

                You're left with 5/7 ~~~</span>
8 0
3 years ago
Read 2 more answers
Please help me with this question
storchak [24]

Answer:

B. 1.2 x 10^-1

Step-by-step explanation:

3.6 x 10^7 = 36,000,000

3 x 10^8 = 300,000,000

36,000,000 ÷ 300,000,000 = 0.12

= 1.2 x 10^-1

5 0
4 years ago
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