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Allisa [31]
3 years ago
7

What is the slope of the line with the equation of y=-4x that passes through the point (3,1)

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
7 0

The question seems incomplete but that could just be my perception.

The slope of y = -4x is -4 as it's the value just in front of the x value. This equation is in the form y = mx+b where m = -4 and b = 0. The m is the slope.

Anything parallel to y = -4x will also have a slope of -4. Parallel lines have equal slopes (but different y intercepts)

Anything perpendicular to y = -4x will have a slope of 1/4. Notice how multiplying the original slope (-4) and the perpendicular slope (1/4) gets you -1. To go from -4 to 1/4, we flip the fraction and the sign. Think of -4 as -4/1 to flip the fraction to -1/4 and then flip the sign to +1/4 or just 1/4.

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A shop sells three types of boots sales are usually in the ratio of 6:2:3 last month 24 football boots were sold how many boots
Sonja [21]
The three types of boots are sold in the ratio 6:2:3.

This ratio may be written as 6x:2x:3x where x is a variable.
When 24 boots are sold, then
6x + 2x + 3x = 24
11x = 24
x = 24/11 = 2.18

Because we do not have fractional boots, x = 2.
Total boots sold = 6*2 + 2*2 + 3*2 = 12 + 4 + 6 =  22

Answer: 22

8 0
3 years ago
The original price of a new iPhone is $258.00. If the iPhone is marked down 11%, what is the new price?
Leona [35]

Answer: $229.62

Step-by-step explanation:

mark down 11 %= (1-11%)

original price × percent left after mark down=new price

 258.00 × (1-11%)= $229.62

Hope this helps!! :)

Please let me know if you have any question

4 0
3 years ago
a point is chosen at random in the circle. What percent of the time will the point be in the square? Round to the nearest tenth
sergejj [24]

Answer:

P = 0.637

Step-by-step explanation:

By a small online search, i've found that the image is a circle of radius R = 1in, and a square inside of the circle, such that the distance between the center of the square and the one vertex of the square is one inch.

To solve this problem, we need to find the area of each figure.

The area of a circle of radius R is:

A = 3.14*R^2

Then the area of our circle is:

A = 3.14*(1in)^2 = 3.14 in^2

Now for the square.

If the distance between the center and one vertex is 1 inch, then the distance between two opposite vertex is twice that: 2 inches.

Now we can think of a triangle rectangle, where both catheti are equal to L, the side length of the square, and the hypotenuse is 2 inches.

Using the Pythagoreans theorem, we get:

L^2 + L^2 = (2in)^2

2*L^2 = (2in)^2

L^2 = (2in)^2/2 = 2 in^2

L = √(2 in^2) = √2 in

And the area of a square of side length L, the area is:

A = L^2

Then the area of our square is:

A = (√2 in) = 2 in^2

Then:

Area of the circle = 3.14 in^2

Area of the square = 2 in^2

The area of the circle represents the 100% (if a point is chosen at random in the circle, the probability that the point will be inside the circle is P = 1)

The probability that the point will be inside the square is equal to the quotient between the area of the square and the area of the circle, this is:

P = (2 in^2)/(3.14 in^2) = 0.637

6 0
3 years ago
Which addition sentence can help you find 9-6
kari74 [83]


<span><span><span> </span> </span></span> Jennifer says you can use addition to solve subtraction.

She says to solve 9 – 6 =    <span>, just add 9 + 6.  </span>

<span>Explain how Jennifer is right and wrong using words, pictures, and numbers.</span>

8 0
3 years ago
Read 2 more answers
Find two consecutive positive integers wjose product is 42. (First integer= x, second integer=x+1​
earnstyle [38]
It would be 6 and 7



Hope that helped!
5 0
3 years ago
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