MATHEMATICS HIGH SCHOOL

A company offered 200 cameras at a 15% discount during a 5-day saleThe bar graph shows the number of cameras sold at the end of each day.

Day 1 - 30
Day 2 - 40
Day 3 - 50
Day 4 - 25
Day 5 - 40
(a) Find the percentage increase in the number of cameras sold on Day 5 as compared to Day 4.

Answers

Answer 1

Answer:

Answer:

60%

Step-by-step explanation:

Cameras sold on Day 4 = 25, on Day 5 = 40

The difference in numbers of sold cameras = 40 - 25 = 15

The increase is 15 cameras.

Percentage increase:

15/25*100% = 60%

Answer is60% increase on Day 5 compared to Day 4

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Seth receives 100$ from his grandmother for his birthday he also saves 20$ every month tell whether the equation is linear or non-linear

Answers

Linear y=mx+b
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Answers

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1/2 times 2/3 divided by 1/4 times 1/2

Answers

Answer:

.66 (repeating) or the rounded answer is .67

Step-by-step explanation:

1/2 times 2/3 = .33(repeating)

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Solve for x 3(x-8) = -29.7

Answers

Answer:

$x = - 1.9$

The answer of this equation is:

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The product of three integers is −5. Determine all of the possible values for the three factors.

Answers

-1,1,5
-1,-1,-5
1,1,-5

Multiply and simplify the product.(8 – 5i)2
Select the product.

a. 39

b. 89

c. 39-80i

d. 89-80i

Answers

Simplifying the square of a complex binomial is done similarly to a purely real binomial, except that one was to remember the relation i² = -1.

Solving the equation (8 – 5i)² is done below:

Rewriting (8 – 5i)²:

(8 - 5i)(8 - 5i) = 64 - 40i - 40i + 25i²

Simplifying and applying i² = -1:
64 - 80i + 25(-1)
64 - 80i - 25
39 - 80i

From the choices, the answer is C.

Answer:

39 – 80i

Step-by-step explanation:

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