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

Someone please right the paragraph in Spanish thank you. You can make up stuff. Like say I play video games and go to practices and stuff like that. You are go

The scale on a map is 1 inch= 2.5 miles. Two towns on the map are 6 inches apart. What is the actual distance between the towns in miles

WHAT'S THE RANGEE??

From the third stanza, we can conclude that the speaker A. envies the bird for its freedom. B. has found hope in hard situations. C.is very generous and giving

I need help :)dndnns

Help me graph this inequality

Read about housing in Ecuador. Write a paragraph in Spanish about the different types of housing in Ecuador. Also give your opinions (likes and dislikes) about

2. How might the audio enhance a documentary about the Apache people? Would there be industrial sounds or sounds of nature? Would you expect to hear a tribe mem

How did the atomic model changed from daltons model in 1803 to schrodingers model of 1926? In 3 to 4 sentences, describe the changes and explain whether the di

Explain the difference in meaning between 8² + 2² and (8 + 2)². Use words or diagrams to help your explanation.?