20014169 20014169

07-02-2022
Mathematics

contestada

12.5,−10,−7.5,x; The mean is 11.5.

Respuesta :

jimrgrant1 jimrgrant1

07-02-2022

Answer:

x = 51

Step-by-step explanation:

the mean is calculated as

mean = [tex]\frac{sum}{count}[/tex]

here mean = 11.5 , then

[tex]\frac{12.5-10-7.5 +x}{4}[/tex] = 11.5 ( multiply both sides by 4 to clear the fraction )

- 5 + x = 46 ( add 5 to both sides )

x = 51

Answer Link

Otras preguntas

Thomas has $50 and is saving $8per week. Matt has $150 and is saving $3 per week. At some point, both boys will have the same amount of money. After how many we

During the Cold War, most of Eastern Europe had a _____ economy.

Which two events happenen in the rock cycle

A box of cereal weighs 600 grams. How much is this weight in pounds? Explain or show your reasoning. (Note: 1 kilogram = 2.2 pounds)

write the equation for a line perpendicular to y=-3x+18 that goes through the point (-12,6)

Describe the transformation from y= x + 4 to y= .5x + 4 Group of answer choices compresses stretches shifts right 4 shifts left 4

I hope this helps. Good luck

In about 125 words, write down a paragraph about the importance of healthy eating and daily exercise.

True or False The tectonic plates are floating on material that is moving in Earth's outer core.

Find the distance between the points L(7, -1) and MC – 2, 4).