MATHEMATICS HIGH SCHOOL

Nancy is very happy with the service at the hotel she is staying in. She wants to tip the room service waiter 15 percent of the food bill, which is $120.75. How much should she tip?$12
$18
$24

Answers

Answer 1
Answer: Easy way to find this out!

This is how I would do it:

1. Turn 15% into a decimal -->  0.15

2. Multiply 0.15 and 120.75 --> 18.11

3. Get your answer! $18
Answer 2
Answer: 120.75 multiply by .15 = 18.1125  You tip her 18 dollars.

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Order these numbers from least to greatest. −10.7 , −113 , 10710 , −12011

Answers

When dealing with negative numbers, the higher the number, the less it is. So, the lowest number is -12,011. Then, it would be -113, -10.7, and finally 10,710 because it is the only positive number. The final order is:

-12,011, -113, -10.7, 10,710

At the end of one day, the value of a share of a certain stock was $12. Over the next three days, the change in the value of the share was $-1, then, $-1, and then $3. Write an expression that descrines the situation.

Answers

12-13=-1+4(after 2 days)=3

A decimal outline is an outline that uses notations such as __________. 1.1, 1.2, and 1.3 I, II, and III A, B, and C a, b, and c

Answers

A decimal outline is an outline that uses notations such as 1.1, 1.2, and 1.3. The second outline is Roman numerals while the third is Letter notation.
The correct answer is: 1.1, 1.2, and 1.3

Explanation:
A decimal outline is an outline that uses notations such as 1.1, 1.2, and 1.3. In decimal outline, the notations have to be numbers, not letters or roman numerals.

Examples of Decimal Outline:
1. 1.1, 1.2, 1.3...
2. 2.1, 2.2, 2.2...

The other options, however, are either roman numerals or the letters.
Like:
Roman numerals: I, II, and III 
Letters: A, B, and C; a, b, and c

Hence the correct answer is 1.1, 1.2, and 1.3.

For what value of x is the rational expression below undefined 2x+4/x-7

Answers

Answer:

x=7

Step-by-step explanation:

we have

(2x+4)/(x-7)

we know that

In the given expression the denominator can not be equal to zero

therefore

To find the value of x for which the expression is undefined. equate the denominator to zero

x-7=0

Solve for x

Adds 7 both sides

x-7+7=0+7

x=7
A rational expression is undefined when the denominator equals zero, so we need to make the denominator equal to zero. Set it to zero and solve:
x - 7 = 0
Add seven to both sides:
x = 7

And there's your answer!

Hope I helped, and let me know if you have any questions :)

Answer this please !!!!!!

Answers

Answer:

C) 140

Step-by-step explanation:

We can see from the diagram that mMEF + mDEM = mDEF because they share the same lines.

Therefore:

69x + 2 + 34 = 2 + 86x

Now we can solve this equation.

First we can eliminate the +2 from each side as they will cancel:

69x + 34 = 86X

And then rearrange to solve for x:

34 + 69x - 69x = 86x - 69x

34 = 17x

34/17 = 17x/17

x = 2

Now that we have the value for x, we can substitute it into the original equation:

mMEF = 69(2) +2

mMEF = 138 + 2

mMEF = 140

Therefore the correct answer is C) 140.

Hope this helped!

Solve each equation by factoring.
1) a^2- 9a + 14 = 0

Answers

it’s c [7,2] for sure! :)
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