MATHEMATICS HIGH SCHOOL

What is the volume of the cube? A. 2744 mm3

B. 42 mm3

C. 1176 mm3

D. 196 mm3

Answers

Answer 1
Answer: If you would like to know the volume of the cube, you can calculate this using the following steps:

a^3 = 2744 mm^3 ... a = 14 mm
b^3 = 42 mm^3 ... b = 3.48 mm
c^3 = 1176 mm^3 ... c = 10.56 mm
d^3 = 196 mm^3 ... d = 5.81 mm

The correct result would be A. 2744 mm^3.
Answer 2
Answer:

the correct answer is A.

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If the price of an item is increased by 12%, the increase in the price is sh.90. Find the new price of the item.

Answers

Hello!

Answer:

Hence,the new price of the item is 840 shillings.

Answer:

sh.840

Step-by-step explanation:

Let x = original price.

12% of x = 90

0.12x = 90

x = 90/0.12

x = 750

The original price was sh.750

The new price is 750 + 90 = 840

Answer: sh.840

7/8 & 4/9 is closest to 0,1,2,3

Answers

7/8 is closest to 1 and 4/9 is closest to 0
7/8 is closest to 1.
4/9 is closest to 0.
Hope that helped!

V=kfovern   what does n=

Answers

V = kf / n

nV = kf

n = kf / V

Given the following triangle, if c = 18.6 and m B = 43°, find the length of BC (side a) to the nearest whole number.

Answers

Answer:

= 14

Step-by-step explanation:

Given a right angled triangle with hypotenuse length c =18.6 and ∠B = 43°.

We can use the trigonometric forms of a right angled triangle,

That is;

Cos 43 = Adjacent/Hypotenuse

That is;

Cos 43 = BC/AC = a/c

Therefore;

Cos 43 = a/18.6

a = 18.6 × cos 43

   = 13.603

   = 14

Therefore, BC or a is 14 (to the nearest whole number)

Find sin(α+β) if cosα=35 , sinβ=−45 , α is in quadrant I and β is in quadrant III

Answers

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The number of basic headphones the store can purchase if it spends a total of $10,000 on headphones and buys 110 HD headphones for $70 each.

Answers

Answer:

Total amount spent = $10,000

Cost of one HD headphones = $70

So, cost of 110 HD headphones = 70*110=7700 dollars

Hence, amount left to purchase basic headphones = 10000-7700=2300 dollars

So, the store can buy x headphones from $2300. Where x can be found by dividing 2300 by the cost of 1 headphones.
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$10,000 - $7,700 = $2,300

The store has $2,300 dollars left to spend on basic headphones.

The answer is $2,300 ÷ cost of basic headphones
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