All categories

2 years ago

I uuh need some help

Mathematics

2 answers:

frozen [14]2 years ago

8 0

Answer:

Step-by-step explanation:

First, find the total number for the set of four numbers. To do this, multiply 3.5 and 4. We do this because the mean is division, so we need to get back to the original amount.

3.5 x 4 = 14

Next, we need to find the other total when the mean is 4. There are 5 numbers, which tells us we had to divide the total by 5 to get 4. So, again, we want to multiply the mean, 4, and the 5 to get the total.

5 x 4 = 20

Finally, find the number we added in. To do this, we subtract the two totals.

20 - 14 = 6

Iteru [2.4K]2 years ago

5 0

9.9 is the answer..............

You might be interested in

Given a right triangle find the measure of all the angles of one angle is a right angle in the measure of the second angle is si

vfiekz [6]

Answer:

12°, 78°, 90°

Step-by-step explanation:

let the third angle be x then the second angle is 7x - 6

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180

x + 7x - 6 + 90 = 180, that is

8x + 84 = 180 ( subtract 84 from both sides )

8x = 96 ( divide both sides by 8 )

x = 12

Thus second angle = 12° and third = 7(12) - 6 = 84 - 6 = 78°

The 3 angles are 12°, 78° and 90°

5 0

2 years ago

Read 2 more answers

10x+8=3(x-2) 10x+8=3x-6

d1i1m1o1n [39]

Answer:

x = -2

Step-by-step explanation:

10x+8=3x-6

subtract 10x-3x

7x+8= -6

subtract -6-8

7x=-14

divide 7 into -14

x = -2

Hope this helps!

4 0

2 years ago

What is the area of the figure shown below? giving brainly!!

siniylev [52]

Answer:

4073.76

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

D₁ vide using x² - 2x² 2× +3× -5 by ×-3 using synthetic division. <br>

Vaselesa [24]

Answer:

Step-by-step explanation:

I think you are trying to use synthetic division for

$x^{4} -2x^{3} -2x^{2} +3x-5$ divided by x-3

First

x -3 = 0 , make it equal to 0 and add 3 to both sides

x = 3

Then we write all the coefficients and continue with

a pattern of multiply by 3 and add to the next coefficient.

See attachment.

5 0

9 months ago

ASAP - 15 points

Reptile [31]

Answer:

A) 2b+24x

Step-by-step explanation:

7b+3x-5b+21x

7b-5b+3x+21x

2b+3x+21x

2b+24x

8 0

2 years ago