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natta225 [31]
3 years ago
12

Sole for y k = p/2(y+w) y =

Mathematics
2 answers:
a_sh-v [17]3 years ago
6 0

Answer:

\pi {y}^{ \alpha  \: so \: y = k}

mojhsa [17]3 years ago
4 0

Answer:

<u>Answer</u><u>:</u><u> </u><u>y</u><u> </u><u>=</u><u> </u><u>(</u><u>2</u><u>k</u><u> </u><u>-</u><u>pw</u><u>)</u><u>/</u><u>p</u>

Step-by-step explanation:

k =  \frac{p}{2} (y + w)

multiply 2 on both sides:

k \times 2 = 2 \times  \frac{p}{2} (y + w) \\  \\ 2k = p(y + w)

open the bracket:

2k = py + pw

subtract pw from both sides:

2k - pw = (py + pw) - pw \\ 2k - pw = py

divide p on both sides:

\frac{2k - pw}{p}  =  \frac{py}{p}  \\  \\ y =  \frac{2k - pw}{p}

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Enter the length ,X of the ramp in inches (no links need answers ASAP)
topjm [15]

Answer:

53 inches

Step-by-step explanation:

use the Pythagorean Theorem

c^2 = a^2 + b^2

x^2 = 28^2 + 45^2

x^2 = 784 + 2025

x^2 = 2809

Take the square root of both sides

x = 53

8 0
3 years ago
What number is 120% of 40?
Tresset [83]
The number is 48

120. x
----- = -----
100. 40.

4800 = 100×
-------- ------
100. 100

×= 48
3 0
4 years ago
The length of a swimming poollane
Hunter-Best [27]

Answer:

x²+5x - 150 = 0

Step-by-step explanation:

Let the length be y and width be x

If the  length of a swimming pool is 10 more than 2 times the width, then;

y = 2x+10 ...1

Since the Area is 300m²

A = xy

300 = xy .... 2

Substitute 1 into 2

300 = x(2x+10)

300 = 2x²+10x

Rearrange

2x²+10x - 300 = 0

Divide through by 2

x²+5x - 150 = 0

This gives the required quadratic expression

8 0
3 years ago
Write the equation of the line that goes through the point (6,-4) and is parallel to y = -x + 1. 1 3
omeli [17]

9514 1404 393

Answer:

  y = -x +2

Step-by-step explanation:

The parallel line will have the same slope; only the constant will be different. We can find that constant using the given point.

  y = -x +b

  -4 = -6 + b . . . substitute for x and y

  2 = b . . . . . . add 6

The desired equation is ...

  y = -x +2

6 0
3 years ago
Can someone please help me?
Mama L [17]

Option A:

Function B is a non-linear function and Function A is a linear function.

Option C:

Function A has only one x-intercept.

Solution:

Function A: The function represented by the table is y = 5x.

Function B: y=4x^2+2

Option A: Function B is a non-linear function and Function A is a linear function.

A function which is in the equation of a straight line form is a linear function.

Otherwise it is non-linear function.

Linear equation form: y = mx + c

It is clear that function B is non-linear because it has square term and function A is linear function.

The option A is true.

Option B: Function B has two y-intercepts at (0, 2) and (0, –2).

Substitute x = 0 in function B, we get

y=4(0)^2+2=2

So, function B has only one y-intercept.

The option B is false.

Option C: Function A has only one x-intercept.

Substitute y = 0 in function A, we get

(0) = 5x

⇒ x = 0

Hence function A has only one x-intercept.

The option C is true.

Option D: Function A has a negative rate of change and Function B has a positive rate of change.

Function A: y = 5x

Rate of change of function A: \frac{dy}{dx} =5

It is positive.

The option D is false.

Hence the true statements are

Function B is a non-linear function and Function A is a linear function.

Function A has only one x-intercept.

3 0
3 years ago
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