Define equation and give an example of two equivalent equations

Answers

Answer 1

Answer: Equation is an equality containing one or more variables.
3x-5= 16 2x+y =7
3x=21 2 (1) +y= 7
x=7 2+y-2=7-2
=5

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Emily has a coupon for 20 percent off her purchase. She finds a backpack she likes on the discount rack. It’s original price is $60, but everything on the rack comes with a 30 percent discount. Emily says, “thirty percent and twenty percent make fifty percent so ur will cost $30. Is emy correct?

Answers

She’s incorrect I’m pretty sure u divide 20 and 60.

A cylindrical soup can is 5.5 cm in diameter and 11.2 cm tall. What is the area of the label that covers the side of the can? Round your answer to the nearest hundredth.96.71 square centimeters
17.27 square centimeters
193.42 square centimeters
386.85 square centimeters

Answers

$A= 2 \pi rh=2 \pi *2.75*11.2=96.71 [cm^(2)]$

The solution to 5.2x = 14.04 is x = ___.0.37
2.7
8.84
73.01

The cost of 7 drinks is $16.38. What is the cost of each drink?

$1.54
$1.88
$2.34
$2.73

1 over 3b = 4 over 5. Which of the following equals b in this equation?

22 over 5
11 over 8
2 over 5
1 over 4

The solution to 6x = 48 is x = ___.

5
6
7
8

Which of the following is the solution to the equation 2 over 3x = 12?

x = 4
x = 8
x = 18
x = 24

Answers

Answer: the first is 2.7

the 2nd is 2.34

the 4th is 8

the 5th is 4

the 3rd is 11over8

have a nice daY

Step-by-step explanation:

mr.cullen needs 91 carpet squares. he has 49 carpet squares. if the squares are sold in boxes of 6, how many more boxes of carpet squares does mr. cullen need to buy

Answers

He needs to buy 7 boxes of carpet squares.

What is unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Total number of carpets Mr. Cullenneed =91 carpet squares

Total number of carpets Mr. Cullen have= 49 carpet squares.

number of carpets Mr. Cullen need to complete

=91 - 49

= 42 carpets squares

So, Mr. Cullen needs 42 carpets squares.

If each carpet is sold in making boxes of 6. He needs

=42/6

=7 boxes

Hence, He needs to buy 7 boxes of carpet squares.

Learn more about this concept here:

brainly.com/question/16290024

#SPJ2

he need 7 more carpet squares

A college raises its tuition in each of three consecutive years. If the percent increase by 5%, 9%, and 7%, determine the overall percent increase at the end of the three-year period?

Answers

The overall increment at the end of the three-year period is 22.5%

The increments are given as:

$\mathbf{Year\ 1 =5\%}$

$\mathbf{Year\ 2 =9\%}$

$\mathbf{Year\ 3 =7\%}$

So, the overall increment is calculated as:

$\mathbf{Overall = (1 + Year\ 1) * (1 + Year\ 2) * (1 + Year\ 3) -100\%}$

Substitute known values

$\mathbf{Overall = (1 + 5\%) * (1 + 9\%) * (1 + 7\%) -100\%}$

Express as decimals

$\mathbf{Overall = (1 + 0.05) * (1 + 0.09) * (1 + 0.07) -100\%}$

$\mathbf{Overall = (1.05) * (1.09) * (1.07) -100\%}$

Multiply

$\mathbf{Overall = 1.224615 -100\%}$

Express as percentage

$\mathbf{Overall = 122.4615\% -100\%}$

Subtract

$\mathbf{Overall = 22.4615\%}$

Approximate

$\mathbf{Overall = 22.5\%}$

Hence, the overall increment is 22.5%

Read more about percentage change at:

brainly.com/question/11639405

The overall percentage increase is 22.5%.

step-by-step explanation

Percentage increase in the first year=5%

Percentage increase in the second year=9%

Percentage increase in the third year=7%

we have to calculate the overall percentage increase

Let the initial tuition fees be x

tuition fees after three years=

= $x* (100+a)/(100) *(100+b)/(100)* (100+c)/(100) \n=x* (105)/(100) *(109)/(100) *(107)/(100) \n\n=x* (1224615)/(1000000) \n=x*(122.4625)/(100) \n=x*(100+22.4625)/(100)$

The overall percentage increase is 22.5%.

I have multiple questions! I need help! 1. two sides and an angle (SSA) of a triangle are given. Determine whether the given measurements produce one triangle, two triangles, or no triangle at all. a=15, c=7.6, and A= 61 degree angle 2. two sides and an angle (SSA) of a triangle are given. Determine whether the given measurements produce one triangle two triangles or no triangle at all. Solve each triangle that results. a=19, b=28, and A=60 degree angle 3.two sides and an angle (SSA) of a triangle are given. Determine whether the given measurements produce one triangle, two triangles, or no triangle at all. Solve each triangle that results. a=17, b=18, and A=51 degree angle.

Answers

Too much reading not enough sleeping

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