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saveliy_v [14]
2 years ago
12

Please help I would really appreciate it

Mathematics
1 answer:
vlabodo [156]2 years ago
8 0

Answer:

Percentage Change Formula

Step-by-step explanation:

Percent change can be applied to any quantity you measure over time. If the price increased use the formula

((New Price - Old Price) / Old Price) × 100

If the price decreased flip the first part to

((Old price - new price)

and then follow the rest of the formula.

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Evaluate each expression if A=Z, B=5, X=4, and N=10. what is the answer for [a+8 (b-2)]^2÷4
nalin [4]

Hi!

<h3>Put in the values. </h3>

[z+8(5-2)]^2/4

<h3>Now use PEMDAS to solve. </h3>
  • Parentheses - Subtraction

[z+8*3]^2/4

  • Parentheses - Multiplication

[z+24]^2/4

  • Exponents

z+576/4

  • Division

<u>z+144</u>

<h2>When you evaluate [a+8 (b-2)]^2÷4, you get z + 144</h2>

Hope this helps! :)

-Peredhel

8 0
3 years ago
Find the slope: (-4, 3) and (8, -3)
olga2289 [7]

Answer:

-1/2

Step-by-step explanation:

The slope is the change in y over the change in x.

\frac{y_{2} -y_{1} }{x_{2} -x_{1} }

For this question:

\frac{3-(-3)}{-4-8} =\frac{6}{-12} =-\frac{1}{2}

4 0
3 years ago
Read 2 more answers
A triangle is graphed on a coordinate plane, with a vertex located at a point represented by (x,y).
Sophie [7]
The value of a is between 0 and 1.
4 0
3 years ago
Help pleasee<br> Qn is attached belowww <br> PLEASE HELPP
Simora [160]

Answer:

QR = 65.4 m

Step-by-step explanation:

a. Apply Law of Cosines to find QR:

p² = q² + r² - 2qr × Cos P

p = QR = ?

q = PR = 150 m

r = PQ = 120 m

P = 25°

Plug in the values

p² = 150² + 120² - (2)(150)(120) × Cos(25°)

p² = 22,500 + 14,400 - 36,000 × 0.9063

p² = 36,900 - 32,626.8

p² = 4,273.2

p = √4,273.2

p ≈ 65.4 m (nearest tenth)

QR = 65.4 m

7 0
3 years ago
Calculate the simple interest on $1500 for 3 years at 20% per annum
svp [43]

Answer:

see explanation below

Step-by-step explanation:

1500 × 3 × 20 ÷ 100

$900

4 0
2 years ago
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