3 years ago

What is the equation of the line in standard form?

Mathematics

2 answers:

Paha777 [63]3 years ago

8 0

I Would Say A Is The Correct One

Alex17521 [72]3 years ago

8 0

It was 3x+5y=1. I answered it with A and got it wrong. :(

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An architect built a scale model of a skyscraper using a scale in which 2 inches represents 48 yards. The height of the skyscrap

damaskus [11]

The correct answer is C, 15 inches. Please mark Brainliest if helpful. Thanks

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3 years ago

AFLATI 2 NUMERE STIIND CA AL DOILEA NUMAR ESTE DE 7 ORI MAI MARE DECITPRIMUL IAR SUMA DINTRE DUBLUL PRIMULUI NUMAR SI TRIPLUL CE

postnew [5]

Answer:

The numbers are 20 and 140

Step-by-step explanation:

The question in English is

Find 2 numbers knowing that the second number is 7 times greater than the first, and the sum between the double of the first number and the triple of the second is 460

Define the variables

Let

x ----> the first number

y ----> the second number

we know that

$y=7x$ -----> equation A

$2x+3y=460$ ----> equation B

Solve the system of equations by substitution

Substitute equation A in equation B

$2x+3(7x)=460$

solve for x

$2x+21x=460$

$23x=460$

$x=20$

Find the value of y

$y=7x$ ----> $y=7(20)=140$

The numbers are 20 and 140

6 0

3 years ago

Breann solved the system of equations below. What mistake did she make in her work? 2x + y = 5 x − 2y = 10 y = 5 − 2x x − 2(5 −

goldfiish [28.3K]

Answer:

No mistake

Step-by-step explanation:

2x + y = 5

x - 2y = 10

y = 5 - 2x

x - 2(5 - 2x) = 10

x - 10 + 4x = 10

5x - 10 = 10

5x = 20

x = 4

2(4) + y = 5

y = -3

She made no mistake

You can check by plugging in x = 4 and y = -3 into the original equations . They fit exactly.

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4 years ago

To investigate the relationship between yield of potatoes and level of fertilizer application, a researcher divides a field into

Ber [7]

So what does it want you to what’s the equation

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3 years ago

6ab + a(a – b – 6b) + 4a(2b +a) – ab , para a= -1 e b=2 ME AJUDEM! É URGENTE

Marianna [84]

Answer:

-81

Step-by-step explanation:

replace the numbers you were given in a or b.

6(-12) -1(-1 – 2 – 6(2)) + 4(-1)(2(2) -1) -12

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3 years ago