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3 years ago

Ohhhhhh!!! I have a math problem I also have a Brainliest

Mathematics

2 answers:

Step2247 [10]3 years ago

4 0

For 6 plug in each of the answers for x and see if the product =3.2
Answer for 6: A
For 7 you turn the percentage into a decimal and multiply that by the number in which you know and you find the answer.
Answer for 7: D

Rzqust [24]3 years ago

4 0

6) 2.65, 3.2/1.25=2.65
7)292.50
8)$72
9)$702

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The number of students who chose lunch was 5 more than the number of students who chose breakfast. Write a system of linear equa

Papessa [141]

Answer:

The system of linear equations are $y=5+x$ and $x+y=25$

Step-by-step explanation:

Given : The number of students who chose lunch was 5 more than the number of students who chose breakfast. Let x represent the number of students who chose breakfast and y represent the number of students who chose lunch.

(50 students picked, 25 picked dinner the rest picked lunch and breakfast)

To find : Write a system of linear equations that represents the numbers of students who chose breakfast and lunch ?

Solution :

The number of students who chose breakfast be 'x'

The number of students who chose lunch be 'y'.

The number of students who chose lunch was 5 more than the number of students who chose breakfast.

i.e. $y=5+x$

Now, Total student were 50 and 25 picked dinner the rest picked lunch and breakfast i.e. 25.

So, $x+y=25$

Therefore, the system of linear equations are $y=5+x$ and $x+y=25$

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3 years ago

If , find the values of a, b and c. √3 2+√3

djverab [1.8K]

Answer:

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Step-by-step explanation:

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8 0

3 years ago

Read 2 more answers

Different sizes of string needs to be cut to go around various shapes. All of the following sizes are in inches.

Brilliant_brown [7]

Answer:

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Step-by-step explanation:

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3 years ago

Kim and Sam went to Mexico Restaurant for lunch. The total bill was $21.58. They decide to leave an 18% tip. How much will the t

GrogVix [38]

Answer:

$3.88

Step-by-step explanation:

You want to leave a 18% tip on a meal that cost $21.58.

First, convert the 18% to an actual number that can be used in a calculation. For percents,this is always done by simply dividing the percent (in this case 18%) by 100%.So, the conversational term "18%" becomes 18% / 100% = 0.18 in terms of a real mathematical number.

Second, you need to find out what 18% of your $21.58 meal cost is.This is always done by multiplying 0.18 by $21.58, or 0.18 x $21.58=$3.88.

So, the amount of tip you are going to leave is $3.88.

7 0

3 years ago

1. What is the value of this expression when c = 4? 4C+ 3c- 2c

vampirchik [111]

Answer:

Step-by-step explanation:

4(4)+3(4)-2(4)=20

8 0

3 years ago