3 years ago

What is the y-intercept of the line? 1. 0 2. 1 3. -2 4. 1/2

Mathematics

1 answer:

Nesterboy [21]3 years ago

3 0

Answer:

2. 1

Step-by-step explanation:

the point at which the y axis is passed through is (0,1)

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marshall27 [118]

The answer is 7,823,000

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3 years ago

A flat rectangular piece of aluminum has a perimeter of 62 inches. The length is 15

dexar [7]

Answer:

Width of rectangular piece = x = 8 inches

Step-by-step explanation:

Perimeter of rectangular piece = 62 inches

Let width of rectangular piece= x

and length of rectangular piece = x+15

We need to find width i.e value of x

The formula used for perimeter of rectangle is: $Perimeter=2(Length+Width)\\$

Putting values in formula and finding Width:

$Perimeter=2(Length+Width)\\\\62=2(x+x+15)\\62=2(2x+15)\\62=4x+30\\62-30=4x\\4x=32\\x=\frac{32}{4}\\x=8$

After solving we get value of x = 8

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3 years ago

0.2x + 0.3y = 1.3.<br>0.4r + 0.5y = 2.3. solve by using substitution

Alexxandr [17]

Answer:

x=2, y=3.

Step-by-step explanation:

0.2x + 0.3y = 1.3

0.4x + 0.5y = 2.3

From the first equation y = (1.3 - 0.2x) / 0.3

Substituting in second equation:

0.4x + 0.5(1.3 - 0.2x) / 0.3 = 2.3

Multiply through by 0.3:

0.12x + 0.5(1.3 - 0.2x) = 0.69

0.12x + 0.65 - 0.1x = 0.69

0.02x = 0.04

x = 2.

Substituting for x in equation 1:

0.2* 2 + 0.3y = 1.3

0.4 + 0.3y = 1.3

0.3y = 1.3 - 0.4 = 0.9

y = 3.

Check in equation 2:

0.4 * 2 + 0.5(3) = 0.8 + 1.5 = 2.3.

- Correct.

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3 years ago

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Free_Kalibri [48]

The answer is C because the difference of 325,500 times 20 Percent and 325500 is the loan amount

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