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3 years ago

Calculate the mean of the given data set. You must show your work to receive all possible points.

Mathematics

1 answer:

Bumek [7]3 years ago

5 0

Answer:

Step-by-step explanation:

In math, the mean is the middle number of a sequence.

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If a number added to five is divided by the difference of the number and two, the result is three-fourths. Find the number.

alexandr1967 [171]

Answer:

x = - 26

Step-by-step explanation:

Let the number be x.

According to the question,

$\frac{x+5}{x-2} = \frac{3}{4}\\$

Cross multiplying 4 & 3 gives :-

$4(x+5)=3(x-2)$

And solving this eqn. gives :-

$4(x+5)=3(x-2)\\=> 4x+20=3x-6\\=>4x-3x=-20-6\\=>x=-26$

Verification :-

(putting the value of x = -26 )

$\frac{x+5}{x-2} \\\\=>\frac{-26+5}{-26-2} \\\\=> \frac{-21}{-28} \\\\=>\frac{21}{28}$

Reducing $\frac{21}{28}$ by 7 gives $\frac{3}{4}$ .

5 0

3 years ago

Simplify the equation : 14/ 5 - 1/4

asambeis [7]

Answer:

51/20

Explanation:

14/5-1/4=

14*4/5*4-1*5/4*5=

56/20-5/20=

56-5/20=

51/20

8 0

2 years ago

I REALLLLYYYYY NEED HELP, PLEASE?

creativ13 [48]

｡☆✼★ ━━━━━━━━━━━━━━ ☾

Use this equation:

final = original x multiplier^n

Lets calculate the multiplier

5/100 = 1.05

n is the number of years.

Substitute values in:

final = 3500 x 1.05^10

final = 5701.131194

The answer is $5701.13

Have A Nice Day ❤

Stay Brainly! ヅ

- Ally ✧

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3 0

3 years ago

Can i please have help with this

SIZIF [17.4K]

Your answer is 30cm if wingspan

7 0

3 years ago

Solve: 64x3 – 343 = 0

Elza [17]

$64x^3-343=0 \\\\ 64x^3=343 \\\\ x^3= { \frac {343}{64} } \\\\ x^3=5.36 \\\\ x=\ ^3\sqrt{ 5.36 } \\\\ x=1.75$

5 0

4 years ago

Read 2 more answers