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Novosadov [1.4K]
3 years ago
12

Calculating Areas of Multiple Polygons

Mathematics
2 answers:
scoundrel [369]3 years ago
8 0

Answer:

29

Step-by-step explanation:

zhuklara [117]3 years ago
4 0

Answer:

the answer is 29

Step-by-step explanation:

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What is the value of x in the equation 8x – 2y = 48, when y = 4?
luda_lava [24]

Answer:

7

Step-by-step explanation:

8x-2y=48, replace y with 4, 8x-2(4)=48, multiply, 8x-8=48, add 8 to both sides to remove the -8, 8x=56 and finally divide by 8 to remove 8 from x, x=7.

8 0
3 years ago
after hitting the black friday sales, sarah bought her dress on sale for $35. She saved 45%, what was the original cost.
8090 [49]

The original cost of the dress is $63.64

Step-by-step explanation:

After hitting the black Friday sales

  • Sarah bought her dress on sale for $35
  • She saved 45%

We need to find the original cost of the dress

The money that Sarah saved is the value of the discount on the dress

Assume that the price of the dress before the black Friday is 100%

∵ The price of the dress before the black Friday is 100%

∵ She saved 45% when she bought it the black Friday

∴ The price of the dress is decreased by 45%

∵ She bought the dress for $35 ⇒ (after discount)

Let use use the percentage method

→ Before discount  :  Discount  :  After discount

→        100%              :       45%     :      55% (100 - 45)

→         x                    :                    :      35

By using cross multiplication

∵ x × 55% = 35 × 100%

- Divide both sides by 55%

∴ x = 63.64

The original cost of the dress is $63.64

Learn more:

You can learn more about percentage in brainly.com/question/12501490

#LearnwithBrainly

3 0
3 years ago
-1/2(x+4)=y-2<br><br> 2x-y=4<br><br> Find the slope, x-intercept, and y-intercept for both equations
FinnZ [79.3K]

Answer:


Step-by-step explanation:

slope of a linear equation is m = y2 -y1/x2-x1

x- intercept, is where y = 0

y- intercept is where x = 0

7 0
3 years ago
29. Which property justifies the statement below?
OleMash [197]

Answer:

d I think is right sorry If it's not

4 0
3 years ago
Select the correct answer.<br> Which statement describes the solutions of this equation? x/x+2+1/x=1
hram777 [196]
Your answer is gonna be b I just know
4 0
3 years ago
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