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jeka94
3 years ago
13

( 2x + 5 ) + ( 3x - 7

Mathematics
2 answers:
musickatia [10]3 years ago
7 0

Answer:

5x-2

Step-by-step explanation:

2x+3x=5x

5-7=-2

MrMuchimi3 years ago
4 0

Answer:

5x+-2

Step-by-step explanation:

(2x+5) + (3x-7)

2x+3x=5x

5-7=-2

5x-2

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Solve and then use estimation to make sure your answer is reasonable.
olga2289 [7]
Assuming that he read at the same speed last summer, 2,724 pages.
3 0
3 years ago
Circle O has a circumference of 367 cm.
olya-2409 [2.1K]

Answer:

  none of the above

Step-by-step explanation:

The applicable relationship is ...

  C = 2πr

Solving for r, we get

  r = C/(2π) ≈58. (367 cm)/(2·3.14159) ≈ 58.41 cm . . . . no matching choice

_____

When the problem does not include a correct answer choice, I usually suggest you ask your teacher to show you the working of it.

7 0
3 years ago
Read 2 more answers
Translate this sentence into an equation.
lakkis [162]

Answer:

24+v=44

Step-by-step explanation:

4 0
3 years ago
Vivian found data about her city's population and made a scatter plot the equation of the linebbest fit for. Her data is p= 637.
Andre45 [30]

Answer:

annual growth rate m = 637.5 people / year

Step-by-step explanation:

Solution:-

- The scatter plot displaying the city's population was modeled by a linear equation of the form:

                               y = m*x + c

Where, m and c are constants.

- The scatter plot displayed the following relation of the city's population (p):

                               p = 637.5*t + 198,368.1

Where, p : The population in t years after after 1990

            t : The number of years passed since 1990.

- The slope of the graph "m = 637.5" denotes the rate of change of dependent variable with respect ot independent variable:

                             dp / dt = m = 637.5

- So the rate of change of population per unit time t since 1990 has been constant with a an annual growth rate m = 637.5 people / year

7 0
4 years ago
X = 3y - 6
Vlad1618 [11]
X = 3y - 6....so sub 3y - 6 in for x in the other equation

2(3y - 6) - 4y = 8
6y - 12 - 4y = 8
2y = 8 + 12
2y = 20
y = 20/2
y = 10

x = 3y - 6
x = 3(10) - 6
x = 30 - 6
x = 24

solution is (24,10)
4 0
3 years ago
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