lore2010acst lore2010acst

12-05-2018
Mathematics

contestada

a student has test scores of 92%, 87%, and 78%. what must she need to score on thenlast test to maintain 80% or better?

Respuesta :

sarkhan2018 sarkhan2018

17-05-2018

We'll solve this equation in order to find the score of the 4th test, which we denote with x. [tex] \frac{92+87+78+x}{4}=80 [/tex]. Solving it we find that x=63. And it is the final answer for this problem.

Answer Link

Otras preguntas

During the Second Industrial Revolution, which building material became one of the most important in the world?

Which of the following words suggests a point of view? a. Face b. World c. Society d. Objective

What is the first step needed to solve 4 over 7 the whole multiplied by x minus 5 equal negative 13? Subtract 13 from both sides Divide both sides by 7 Add 5 to

Identify the complete adverb clause. If I were you, I'd take word processing this year.

Evaluate S5 for 300 + 150 + 75 + … and select the correct answer below. 18.75 93.75 581.25 145.3125

A system of equations is shown below: n = 3m + 6 n − 2m = 2 What is the solution, in the form (m, n), to the system of equations? (−4, −6) (−5, −9) (2, 6) (1, 8

Simplify this expression: cos theta/ tan theta cot theta

Given the functions f(x) = 4x2 − 1, g(x) = x2 − 8x + 5, and h(x) = –3x2 − 12x + 1, rank them from least to greatest based on their axis of symmetry. g(x), h(x),

Find the slope of the line 3x – 2y = 6

Simplify this expression: cos theta/ tan theta cot theta