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mart [117]
3 years ago
13

Find the solution of the system of equations.6x+y=30−2x−5y=18

Mathematics
1 answer:
IRISSAK [1]3 years ago
6 0

Answer:

Step-by-step explanation:

6x + y = 30

-6x - 15y = 54

-14y = 84

y = -6

6x - 6 = 30

6x = 36

x = 6

(6, -6)

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En una tienda de ropa vas a comprarte una pantalones que están de 150 a 90 euros y una camiseta de 40 a 24 ¿ tienen el mismo por
uranmaximum [27]

Respuesta:

Sí, tienen el mismo descuento del 40%

Explicación paso a paso:

Dado :

PANTALÓN :

Precio inicial = 150

Precio con descuento = 90

Porcentaje de descuento en el precio:

(150 - 90) / 150 * 100%

60/150 * 100%

0,4 * 100

= 40%

CAMISA:

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Porcentaje de descuento en el precio:

(40-24) / 150 * 100%

16/40 * 100%

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Sí, tienen el mismo descuento del 40%

8 0
3 years ago
Mica opened a bank account that earns simple interest with an initial deposit of 2200. She made no other transactions throughout
viktelen [127]
Luckly i still have my notes and the answer was about 3.1%. I hope this helped.
8 0
3 years ago
Parallel lines r and s are cut by two transversals, parallel lines t and u. How many angles are alternate interior angles with a
Serhud [2]

Answer:

3

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
When changing 67, 430,000 to scientific notation, how many places is the decimal point moved? ​
dmitriy555 [2]

Answer:

6.743*10^7

Step-by-step explanation:

Given data

The number is  67, 430,000

Let us count from the left the right

counting, we have 7 places to the right before the last digit 6

Hence the number of places is 7

The scientific notation is  

=6.743*10^7

3 0
3 years ago
Number 7 please help 10 points no links pleAse
bulgar [2K]

Answer:

<h2><em><u>Option</u></em><em><u> </u></em><em><u>C</u></em><em><u> </u></em><em><u>:</u></em><em><u> </u></em><em><u>25</u></em></h2>

Step-by-step explanation:

<em><u>Given</u></em><em><u>, </u></em>

Number of rainy days = 18

Number of cloudy days = 14

Number of sunny days = 29

<em><u>Therefore</u></em><em><u>, </u></em>

Number of days either sunny or cloudy = 14 + 29 = 43

<em><u>So</u></em><em><u>,</u></em>

Number of more days sunny or cloudy than rainy are

= 43 - 18 = 25

<em><u>Hence</u></em><em><u>,</u></em>

<em><u>Option</u></em><em><u> </u></em><em><u>C</u></em><em><u> </u></em><em><u>25</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>correct</u></em><em><u> </u></em><em><u>answer</u></em><em><u>. </u></em>

4 0
3 years ago
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