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3 years ago

47, 47, 26, 73, 61 What is the mean?

Mathematics

2 answers:

kaheart [24]3 years ago

6 0

Answer:

50.8 is the mean

Step-by-step explanation:

please mak this answer as brainliest

77julia77 [94]3 years ago

4 0

Answer:

mean =47+47+26+73+61 / 5

= 254/5

= 50.8

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Can someone please do 41 and 45???? Thanks!!!

Oksanka [162]

Answer:

Part 41) The solution of the compound inequality is equal to the interval [-1.5,-0.5)

Part 45) The solution of the compound inequality is equal to the interval

(-∞, -0.5] ∪ [1,∞)

Step-by-step explanation:

Part 41) we have

$-4\leq 2+4x < 0$

Divide the compound inequality into two inequalities

$-4\leq 2+4x$ -----> inequality A

Solve for x

Subtract 2 both sides

$-4-2\leq 4x$

$-6\leq 4x$

Divide by 4 both sides

$-1.5\leq x$

Rewrite

$x\geq -1.5$

The solution of the inequality A is the interval -----> [-1.5,∞)

$2+4x < 0$ -----> inequality B

Solve for x

Subtract 2 both sides

$4x < -2$

Divide by 4 both sides

$x < -0.5$

The solution of the inequality B is the interval ------> (-∞, -0.5)

The solution of the inequality A and the Inequality B is equal to

[-1.5,∞)∩ (-∞, -0.5)------> [-1.5,-0.5)

see the attached figure N 1

Part 45) we have

$2x-3\leq -4$ or $3x+1\geq 4$

Solve the inequality A

$2x-3\leq -4$

Adds 3 both sides

$2x\leq -4+3$

$2x\leq -1$

Divide by 2 both sides

$x\leq -0.5$

The solution of the inequality A is the interval ------> (-∞, -0.5]

Solve the inequality B

$3x+1\geq 4$

Subtract 1 both sides

$3x\geq 4-1$

$3x\geq 3$

Divide by 3 both sides

$x\geq 1$

The solution of the inequality B is the interval -----> [1,∞)

The solution of the compound inequality is equal to

(-∞, -0.5] ∪ [1,∞)

see the attached figure N 2

4 0

3 years ago

The school newspaper surveyed the student body for an article about club membership. The table

lukranit [14]

25% of the 9th grade belongs to more than one club.

9th grade population 180

1 club = 90
2 clubs = 33
3 or more clubs <u>= 12</u>
Students w/ clubs 135

2 clubs + 3 or more clubs = 33 + 12 = 45 ÷ 180 = 0.25 x 100% = 25%
1 club = 90 ÷ 180 = 0.50 x 100% = 50%
no club = 180 - 135 = 45 ÷ 180 = 0.25 x 100% = 25%

4 0

3 years ago

suppose the cooking time for a particular recipe varies inversely with the temperature of the oven. if the recipe takes 60 minut

Zielflug [23.3K]

Answer:

It would take 34.29 minutes at 200 degree.

Step-by-step explanation:

Given that,for a particular recipe the cooking time(t) varies inversely with the temperature(T) of the oven.

t∝T

$\therefore \frac{t_1}{t_2}=\frac{T_1}{T_2}$