sjaybanks5835 sjaybanks5835

01-10-2018
Mathematics

contestada

Tom got a 90, 87, and 72 on his math exams. What score does he have to get on his next exam to have an average of 88?

Respuesta :

tramserran tramserran

01-10-2018

[tex]\frac{90 + 87 + 72 + x}{4} = 88[/tex]

90 + 87 + 72 + x = 88(4)

249 + x = 352

x = 103

Answer: 103

I hope the next exam has extra credit questions!

Answer Link

Otras preguntas

how long does it take for plaque to renew itself on the tooth surfaces?

which best identifies the preposition and the object of the preposition in the sentence. a great big praying mantis climbed through the window a. preposition, a

what is the value of b 2 - 4ac for the following equation? 2x^2 3x = -1 0 1 17

The scale on a map is 1cm:6km. If two cities are 13 cm apart on the map, what is the actual distance between the cities ?

a single molecule of h2o hasa. none of the properties of h2o.b. all the properties of h2o.c. some of the properties of h2o.

Which of the following scenarios exhibits a function relation? Take the first set listed to be the domain of the relation. a. the set of tree heights and the

please help simplify these three math questions!

Describe how diabetes affects muscle control?

last year 40 people adopted a mantee through Fia's foundation. This year 15% more people adopted a manatee . How many people adopted a manatee this year

What type of silicate mineral is olivine? A.chain B.sheet C.framework D.independent tetrahedral