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4 years ago

Which of the following is the equation of a line in slope-intercept form for a

Mathematics

2 answers:

Arada [10]4 years ago

7 0

The slope intercept formula is:

y = mx + b

m is the slope

b is the y-intercept

In this case the slope is...

The y-intercept is...

(0, -4)

Plug these numbers in for m and b respectively:

y = 1x + (-4)

y = x - 4

Hope this helped!

~Just a girl in love with Shawn Mendes

lora16 [44]4 years ago

3 0

Answer:

y = x - 4

Step-by-step explanation:

y = mx + b

y = (1)x + (-4)

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What is the value of Y

pshichka [43]

Answer:

y = 150º

Step-by-step explanation:

The sum of internal angles of a triangle must be 180º and the sum of y + (x-20) forms a straight line which is also 180º, so:

2x + x + (x - 20) = 180

4x - 20 = 180

4x = 200

x = 50

x - 20 = 50 - 20

x - 20 = 30

y = 180 - 30

y = 150º

6 0

3 years ago

A box is to constructed with a rectangular base and a height of 5cm. if the rectangular base must have a perimeter of 28cm, whic

tatuchka [14]

y=5(14-x)(x) quadratic equation best models the volume of the box .

What is volume of cuboid?

Perimeter is the distance around the outside of a shape. Area measures the space inside a shape.
The volume of a cuboid is found by multiplying the length by the breadth by the height.

Perimeter = 2(width + length) =28

Let x=width of base, then length of base = (28/2)-x = 14-x

Volume of box = length*width*height

=x(14-x)*5 ⇒ 5x(14-x)(x)

Therefore, y=5(14-x)(x) quadratic equation best models the volume of the box .

Learn more about cuboid

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4 0

2 years ago

Will mark brainliest. <br> Find cos(a-(π/4)), if cos(a)= -(1/3)

grigory [225]

Answer:

Step-by-step explanation:

$cos(\frac{-1}{3}-\frac{\pi }{4})$

$cos(\frac{-4}{12}-\frac{3\pi }{12})$

$cos(\frac{-13.42}{12})$ = 0.44 <- rounded to the nearest hundredth

6 0

4 years ago

Can someone help me with this system of equations

Trava [24]

Y = $\frac{1}{2}$ x + 3
y = x - 4

Since both equations are equal to y, you can set the two values equal to each other and solve for x.

$\frac{1}{2}$ x + 3 = x - 4 Multiply both sides by 2
x + 6 = 2x - 8 Add x to both sides
6 = 3x - 8 Add 8 to both sides
14 = 3x DIvide both sides by 3
4 $\frac{2}{3}$ = x

Now, plug the x value into one of the original equations, I'll plug it into y = x - 4.

y = x - 4 Plug in the x value
y = 4 $\frac{2}{3}$ - 4 Subtract
y = $\frac{2}{3}$

x = 4 $\frac{2}{3}$ and y = $\frac{2}{3}$

8 0

3 years ago

Use Euler's method to obtain a four-decimal approximation of the indicated value. First use h = 0.1 and then use h = 0.05. Find

rusak2 [61]

Answer:

For h = 0.1 y(1) = 2.5937

For h =0.05. y(2) = 2.6533

Step-by-step explanation:

Find attached below extensive solution to problem

3 0

3 years ago