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solmaris [256]
4 years ago
8

4x + y =6 -5x - y = 21

Mathematics
1 answer:
viva [34]4 years ago
8 0

Answer:

Step-by-step explanation:

Adding equation 1 and 2 we have

-x=27

Therefore x= -27

Substituting the value of x into equation 2 we have

-108+y = 6

y = 114

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en un zoo hay 7 orangutanes cada uno come al día 18 kg entre fruta y verdura ¿cuántos kg de fruta y verdura comerán los 7 orangu
AfilCa [17]

Los 7 orangutanes comen 126 kg de frutas y verduras cada día.

<h3>Qué es una ecuación?</h3>

Una ecuación es una expresión que muestra la relación entre dos o más variables y números.

Ya que cada orugután come 18 kg de frutas y verduras al día.

Cantidad de frutas y verduras consumidas por 7 orangutanes = 7 * 18 kg = 126 kg

Los 7 orangutanes comen 126 kg de frutas y verduras cada día.

Obtenga más información sobre la ecuación en: brainly.com/question/2972832

4 0
3 years ago
Can someone please help me ASAP <br><br> Let f be defined as shown.<br> What is f ^-1 (8)?
andrew11 [14]

Answer:

f−1(8)= 8/f

hope i helped

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5 0
3 years ago
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Michael made $299 for 13 hours of work. At the same rate, how much would he make for 9 hours of work?
zavuch27 [327]

Answer:

207

Step-by-step explanation:

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6 0
3 years ago
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The weekly salary check for Miss Blue is $478. Her employer contributes 6.5% to a retirement annuity.
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8 0
3 years ago
Estimates show that there are 1.4x10^8 pet fish and 9.4x10^6 pet reptiles in the United States. How many pet fish and reptile pe
azamat

Answer:

There are total number of pet fish and reptile pets are 1.49\times 10^8.

Step-by-step explanation:

Number of pet fish are 1.4\times 10^8 and the number of pet reptiles are 9.4\times 10^6.

It is required to find the total number of pet fish and reptile pets in the United States. It can be done by simply adding the above numbers such that total numbers are given by :

T=1.4\times10^{8}+9.4\times10^{6}\\\\T=149400000\\\\T=1.49\times 10^8

So, there are total number of pet fish and reptile pets are 1.49\times 10^8.

8 0
3 years ago
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