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Aleonysh [2.5K]
3 years ago
10

What is the equation of this line in slope-intercept form? A. y=-4x+1 B. y=-1/4x+1 C. y=4x-1 D. y=4x+1. ​

Mathematics
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

A (y= -4x+1)

Step-by-step explanation:

The ‘+1’ in the answer represents the point at which the line cuts the y axis (it crosses the y axis at +1)

The -4x comes from finding the gradient of the line which is done by using the formula (y2-y1)/(x2-x1) which will give you -4

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Simplify the expression below: 2(5x - 3y)​
Len [333]
Answer:

10x- 6y

Explanation:
Multiply the 2 with what’s inside the parentheses
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3 years ago
Dalvin has a toy car collection of 200 toy cars. He keeps 194 of the toy cars on his wall. What percentage of Dalvin's toy car c
aleksklad [387]

Answer: 97%

Step-by-step explanation:

what is 194 out of 200 ? 97%

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2 years ago
Find the volume of this cone.
Andrews [41]

Answer:

V = 180 ft^3

Step-by-step explanation:

The volume of a cone is found by

V = 1/3 pi r^2 h  where r is the radius and h is the height

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4 0
3 years ago
Find the values of a and b such that
Varvara68 [4.7K]

Answer:

a = 1.5

b = 1.75

Step-by-step explanation:

First, we need to solve (x+a)^2 and replace the result in the initial equation as:

x^2+3x+4=(x+a)^2+b\\x^2+3x+4=x^2+2ax+a^2+b

Then, this equality apply only if the coefficient of x is equal in both sides and the constant is equal in both sides.

It means that we have two equations:

3x=2ax\\4=a^2+b

So, using the first equation and solving for a, we get:

3x=2ax\\3=2a\\a=\frac{3}{2}=1.5

Finally, replacing the value of a in the second equation and solving for b, we get:

4=a^2+b\\4=1.5^2+b\\b=4-1.5^2\\b=4-2.25\\b=1.75

3 0
3 years ago
Write this number in scientific notation 0.000000358​
Fittoniya [83]

Step-by-step explanation:

0.000000358 written as scientific notation is

3.58 \times  {10}^{ - 7}

8 0
3 years ago
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