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exis [7]
3 years ago
12

Which number is in the solution set of this equation? 7x − 9 = 40

Mathematics
2 answers:
Andrei [34K]3 years ago
7 0

Answer:

7

Steps:

7x − 9 = 40

7x = 40 + 9

x = 49/7

x = 7

Alekssandra [29.7K]3 years ago
6 0

Answer:

x=7

Step-by-step explanation:

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What is x in this equation .3=.5x-.7
NARA [144]

By solving the linear equation it can be obtained that

The value of x is 2

What is a linear equation?

At first it is important to know about equation

Equation shows the equality between two algebraic expressions by connecting the two algebraic expressions by an equal to sign.

A one degree equation is known as linear equation.

The given linear equation is

0.3 = 0.5x - 0.7

0.5x = 0.3 + 0.7

0.5x = 1

x = \frac{1}{0.5}

x = 2

The solution of this linear equation is x = 2

To learn more about linear equation, refer to the link-

brainly.com/question/28732353

#SPJ1

3 0
1 year ago
A local restaurant allows groups to rent out a party room in order to host events. The restaurant charges $600 to rent the room
OleMash [197]

Answer:

y = (10x + 600)/x

Step-by-step explanation:

To find the average cost, we must divide the total cost by the number of people.

The number of meals served will equal the number of people, since everybody gets just 1 meal.

Each meal is 10 dollars, plus the 600 rental fee.

The total cost will be the meal prices plus the fee, all divided by the number of people/number of meals, or x.

3 0
3 years ago
Read 2 more answers
The area (A) of a circle with a radius of r is given by the formula and its diameter (d) is given by . Arrange the equations in
ella [17]

Answer:

see explanation

Step-by-step explanation:

A = πr² ← r is the radius and r = \frac{1}{2} d ← d is the diameter

Hence

π (\frac{1}{2} d)² = A, that is

\frac{d^2\pi }{4} = A ( multiply both sides by 4 )

d²π = 4A ( divide both sides by π )

d² = \frac{4A}{\pi } ( take the square root of both sides )

d = \sqrt{\frac{4A}{\pi } }

7 0
4 years ago
Which of the following is the solution for 6x + 3 ≤ 27
postnew [5]

Answer:

x  ≤  4

Step-by-step explanation:

6x + 3 ≤ 27        subtract 3 both sides

6x ≤ 24              divide 6 both sides

x ≤ 4                   There's your answer

5 0
3 years ago
Graph the inequality.<br> 1
Mrrafil [7]

Answer:

hope it helps

Step-by-step explanation:

6 0
3 years ago
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