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NikAS [45]
3 years ago
14

2 (w^2-2w)=5 SOLVE USING QUADRATIC EQUATION

Mathematics
1 answer:
Anastasy [175]3 years ago
3 0

Answer:

x=4<u>+</u> 2root14/4

by using quadratic formula

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Need help ASAP for this question 15 points
Phoenix [80]

Answer:

D

Step-by-step explanation:

If you plug it into desmos, this is the answer.

8 0
3 years ago
Daniela needs to cut a rectangular hole in a wall where a new window will be installed. The window will be 4 feet high and 3 fee
BlackZzzverrR [31]

Answer:

Measure the diagonals, they should be 5 feet (3,4,5 triangle).

Step-by-step explanation:

As a more general answer, the diagonal measurements of ANY rectangle will be equal. You can calculate the correct measurement using A^2 + B^2 = C^2. A and B are the lengths of the sides and C is the length of the diagonals.

8 0
4 years ago
A factory employs skilled laborers at$25 per hour and unskilled laborers at $12 per hour. The total hourly cost of the factory’s
yarga [219]
For this case what you should do is the following system of equations:
 x: skilled laborers
 y: unskilled laborers
 By writing the system we have:
 x + y = 24
 25x + 12y = 405
 Solving the system:
 Step 1:
 -25x + -25y = -600
 25x + 12y = 405
 Step 2:
 -13y = -195
 y = 195/13
 y = 15
 step 3:
 x = 24-y
 x = 24-15
 x = 9
 Answer:
 skilled laborers = 9
 unskilled laborers = 15
6 0
4 years ago
WORTH 20 POINTS HELP
vfiekz [6]

Below represents the proof that the quadrilateral QRST is a parallelogram

<h3>How to prove that QRST is a parallelogram?</h3>

The coordinates are given as:

Q = (-1,-1)

R = (2,9)

S = (-4,5)

T = (-7,-5)

Calculate the length of each side using:

d = \sqrt{(x_2 -x_1)^2 + (y_2 -y_1)^2}

So, we have:

QR = \sqrt{(-1 - 2)^2 + (-1 -9)^2} = \sqrt{109}

RS = \sqrt{(-4 - 2)^2 + (5 - 9)^2} = \sqrt{52}

ST = \sqrt{(-7 + 4)^2 + (-5 - 5)^2} = \sqrt{109}

TQ = \sqrt{(-7 + 1)^2 + (-5 + 1)^2} = \sqrt{52}

The above computations show that opposite sides are equal.

Next, we determine the slope of each side using:

m = \frac{y_2 -y_1}{x_2 -x_1}

So, we have:

QR = \frac{9 + 1}{2 + 3} = \frac{10}3

RS = \frac{5-9}{-4 - 2} = \frac{2}3

ST = \frac{5+5}{-4 + 7} = \frac{10}3

TQ = \frac{-5+1}{-7 + 1} = \frac{2}3

The above computations show that opposite sides are parallel, because they have equal slope

Hence, the quadrilateral QRST is a parallelogram

Read more about parallelograms at:

brainly.com/question/3050890

#SPJ1

6 0
2 years ago
Is the relation a function? explain ​
Llana [10]
All functions are relations, but not all relations are functions. A function is a relation that for each input, there is only one output.

EXPLANATION;


Functions are relations that have only one output for any unique input. To tell whether a graphed relation defines a function, you can use the vertical line test.
8 0
3 years ago
Read 2 more answers
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