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never [62]
2 years ago
12

Basic math equations and calculations play an important role in many jobs tasks. If you were working at a grocery store and your

cash register was not automatically calculating the 20% off sale on someone's cereal--how would you solve this issue from the options listed below? If the cereal was normally $2.88, I would... 1 point Take $2.88 and times it by 80 for a sale price of $2.30. Subtract $0.20 for a sale price total of $2.68. Divide 20 from $2.88 for a sale price total of $0.15.
Mathematics
1 answer:
OverLord2011 [107]2 years ago
8 0

Given :

Price of cereal without off, C = $2.88 .

Percentage off, P = 20% .

To Find :

Price after applying 20% off.

Solution :

Final price = Initial price - 20 % of initial price

F = 2.88 - 2.88\times \dfrac{20}{100}\\\\F=2.88-0.576\\\\F=\$ 2.304

Therefore, final price after sale is $2.304 .

Hence, this is the required solution.

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bearhunter [10]

the answer is in the picture

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2 years ago
Explain why you cannot square each side of the equation when verifying a trigonometric identity.
Sergeu [11.5K]
This is because when we do verification of an identity, we must work separately on both sides, and to see in the end if we can get an equality. Because if we square both sides, that already means that we assume that the equality exist in the beginning, so no need to verify the identity. 
8 0
2 years ago
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Sails come in many shapes and sizes. The sail on the right is a triangle. Is it a right triangle? Explain your reasoning.
Rudiy27

Answer:

not a right triangle

Step-by-step explanation:

you can use the pythagorean theorem to prove whether not this is a right triangle

if this triangle is a right triangle then the following equality should be true

a²+b²=c²

(9.75)²+(3.45)²=(10.24)²

(95.06)+(11.90)=(104.86)

106.96≠104.86

since the following equality is not true, this is not a right triangle.

3 0
1 year ago
What property was used on 14k+2(3k+5)-5=10 to obtain 14k+6k+10-5=10
ohaa [14]
The difference between

i) <span>14k+2(3k+5)-5=10  and

ii)  </span><span>14k+6k+10-5=10

is the equality </span>2(3k+5)=6k+10


The property used here, can be described for any numbers a, b and c as:

a \cdot (b+c)=a \cdot b +a \cdot c


This is called the DISTRIBUTIVE PROPERTY 


Answer: DISTRIBUTIVE PROPERTY 
3 0
2 years ago
The height of a cylinder is twice the radius of its base. A cylinder has a height of 2 x and a radius of x. What expression repr
mrs_skeptik [129]

<u>Given</u>:

Let x represents the radius of the cylinder.

Given that the height of the cylinder is twice the radius of its base.

The height of the cylinder is 2x.

We need to determine the volume of the cylinder.

<u>Volume of the cylinder:</u>

The volume of the cylinder can be determined using the formula,

V=\pi r^2h

Substituting r = x and h = 2x, we get;

V=\pi (x)^2(2x)

Simplifying, we get;

V=\pi x^2(2x)

V=2\pi x^3

Thus, the expression that represents the volume of the cylinder is 2πx³ cubic units.

Hence, Option b is the correct answer.

8 0
2 years ago
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