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Ilya [14]
3 years ago
13

Solve in simultaneou linear equation.

Mathematics
1 answer:
dangina [55]3 years ago
5 0

Answer:

The bag costs 1500, while the umbrella cost 500

Step-by-step explanation:

Let the cost of the bag be b and the cost of the umbrella be u

Total cost is;

b + u = 2,000 •••••(i)

From the second part of the question;

b = 5u-1000 ••••••(ii)

Substitute ii into i

5u-1000 + u = 2000

6u = 2000 + 1000

6u = 3000

u = 3000/6

u = 500

To get b, substitute the value of u into equation ii

b = 5(500)-1000

b = 2500-1000

b = 1500

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What improper fraction equal to the mix number 4 7/9?
Marianna [84]

Answer:

43/9

Step-by-step explanation:

Step 1

Multiply the denominator by the whole number

9 × 4 = 36

Step 2

Add the answer from Step 1 to the numerator

36 + 7 = 43

Step 3

Write answer from Step 2 over the denominator

43/9

=439

3 0
4 years ago
Blue Island is a tourist attraction that can only be reached by ferry. Tourists may visit the island on any day but they must re
DENIUS [597]

Answer:

i think letter b. explain why not every fairy on a given day can carry whole load of tourist

6 0
3 years ago
What number should be added to both sides to complete the square? x^2 + 8x = 4
son4ous [18]

Answer:

16

Step-by-step explanation:

x² + 8x = 4 ⇔ x² + 8x + 16 = 4 + 16 ⇔ x² + 2×4x + 4² = 20 ⇔ (x + 4)² = (2√5)²

Remark : (2√5)² = 20

8 0
3 years ago
Okay, help me figure out please <3
Oxana [17]

Using proportions, considering the income tax of 10%, you actually earn $1,215 a month.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

For people earnings less than $19,000 a year, the income tax is of 10%, hence the amount you actually earn is given by:

A = 0.9 x 1350 = $1,215 a month.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

3 0
2 years ago
I need help Asap please show me work
Kruka [31]

Answer:

392

Step-by-step explanation:

2((7 - 10)^2 + 5)^2

2((-3)^2 + 5)^2

2(9 + 5)^2

2(14)^2

2(196)

392

5 0
3 years ago
Read 2 more answers
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