How can we answer? QUESTION 4Based on the following frequency distribution, what percent of students had a grade of 49 or less?Test GradesF30-39840-49750-59560-69470-79380-89290-991

The distribution of the test grades is given below:Test…

Answered: Based on the following frequency…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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2. You have some coins, each of which is a penny (1 cent), a nickel (5 cents), a dime (10 cents), or a quarter (25 cents). You know that • you have twice as many pennies as nickels, • the number of dimes is one more than the number of pennies and nickels combined, you have 34 coins in total, • and the total value of your coins is $2.70 (270 cents). (a) Set up a system of linear equations for the numbers of pennies, nickels, dimes, and quarters you have. (b) Determine how many coins of each type you have, by solving the system from part (a).
The answers to the question is unclear.
I need more explanation on why second option is not possible?
the question is not fully answered yet.
Please help me with this math homework question. I really can not figure this out.
Question 7 of 9 A fence installation company sells 4 models of chain-link fencing, 2 models of wood fencing, and 3 models of iron fencing. What is the total number of models of fencing that the company sells? 24 9 6 11
Showing the details, calculate the following expressions or give reason why they are not defined, when A = 3 1 -3 1 -3 4 2 2 5 u= 2 0 -5 0 B = -4 V = -3 3 4 0-2 2 0
the answer is not provided, what's going on?
Question 7 The Chemistry Cafe was out of bread. The cook went next door to the bakery and bought a loaf of bread which has 33 slices. Then, she sells 12 sandwiches (two pieces of bread per sandwich). How much bread did she have left? Explain your answer. Question 8 The Chemistry Cafe cook has a loaf which has 33 slices and a package of cheese that has 15 pieces. She is making sandwiches that have 2 pieces of both bread and cheese. How many sandwiches can she make? Explain your answer.

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Based on the following frequency distribution, what percent of students had a grade of 49 or less? Test Grades E