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bazaltina [42]
3 years ago
8

A line with slope -2 and y-intercept 4

Mathematics
2 answers:
Romashka [77]3 years ago
6 0

Answer:

y = -2x + 4

Step-by-step explanation:

y = mx + b

m ---> slope

b ----> y-intercept

y = -2x + 4

Black_prince [1.1K]3 years ago
5 0

Step-by-step explanation:

the Answer its y= -2X + 4 I think

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The sum of two numbers is -26. One number is 148 less than the other. Find the numbers
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Answer:

61 and -87

Step-by-step explanation:

If the numbers are x and x - 148, we can write the following equation:

x + x - 148 = -26

2x - 148 = -26

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x = 61 so x - 148 = 61 - 148 = -87

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3 years ago
for v= 4i - 5j, find unit vector u in the direction of v, and write your answer as a linear combination of the standard unit vec
umka21 [38]

Answer:

a. u=\frac{4\sqrt{41}i }{41}-\frac{5\sqrt{41}j}{41}

Step-by-step explanation:

The given vector is v= 4i - 5j

The magnitude of this vector is;

|v|=\sqrt{(-4)^2+(-5)^2}

|v|=\sqrt{16+25}

|v|=\sqrt{41}

The unit vector u in the direction of v is;

u=\frac{v}{|v|}

u=\frac{4i - 5j}{\sqrt{41}}

u=\frac{4i }{\sqrt{41}}-\frac{5j}{\sqrt{41}}

We rationalize to get

u=\frac{4\sqrt{41}i }{41}-\frac{5\sqrt{41}j}{41}

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3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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