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masya89 [10]
3 years ago
6

Angle 4=x+30 and angle 2=2x+15. Find the measure of angle 4

Mathematics
1 answer:
kvasek [131]3 years ago
6 0

9514 1404 393

Answer:

  ∠4 = 45°

Step-by-step explanation:

Angles 1, 2, and 4 are all congruent.

  ∠4 = ∠2

  x +30 = 2x +15

  15 = x . . . . . . . . . . . . . subtract x+15

  x + 30 = 45 = ∠4

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The sale price of a laptop is R3 700,00, which is only 65% of the original price. Calculate the original price.​
Mandarinka [93]

The original price of a laptop that is 65% of the sales price is R3 1076923.07692

<h3>How to find the original price when given the percentage?</h3>

The sale price of a laptop is R3 700,00,which is only 65% of the original price.

Therefore,

let

x = original price

Hence,

700, 000 = 65% of x

700,000 = 65 / 100 of x

cross multiply

70000000 = 65x

divide both sides by 65

x = 70000000 / 65

x = 1076923.07692

Therefore, the original price of the laptop is R3 1076923.07692

learn more on original price here: brainly.com/question/13947216

#SPJ1

7 0
2 years ago
The length of one side of a square pond is 15 feet. The pond is surrounded by a 3 foot wide walkway. What is the total area of t
rewona [7]

Answer:

Area = 324 ft²

Step-by-step explanation:

Given

Length = 15ft

Walkway = 3ft

Required

Determine the area of the pond + the walkway

To calculate the required area, we need to get the total length of a side .

This is calculated by adding the length of a side of the pond and the side of the walkway

Total Length = Pond Length + Walkway

Total Length = 15ft + 3ft

Total Length = 18ft

Now, the required area can be calculated as thus:

Area = Total Length * Total Length

Area = 18ft * 18ft

Area = 324 ft²

8 0
2 years ago
ABC is a right angled triangle. if B = 90°, AC = 96 cm, C = 30°. find ab
GREYUIT [131]

Answer:

AB= 156

Step-by-step explanation:

96-30 =66

A=66

66+90 = 156

7 0
3 years ago
What is the probability of tossing 3 heads in a row when flipping a coin?
Rama09 [41]

Answer:

0.125

Step-by-step explanation:

Assuming the coin is fair (most coins are not completely fair) and that the person flipping is not able to control the tosses (some people can) then the chance is 0.125. On each flip, the chance is 1/2. The combination is simply the product of three tosses, since the events are independent.

Hope this helped!♥

6 0
3 years ago
This graph shows the amount of rain that falls in
vekshin1

Answer:

Slope: 5/2

This means that 5mm of rain fall every 2 hours.

Step-by-step explanation:

7 0
3 years ago
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