/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q. 14 Evaluate the expression when r=4... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q. 14 (page 56)

Evaluate the expression when r=4鈥塧苍诲鈥�s=6.

3.5s+r

Short Answer

Expert verified

The value of the expression is25.

Step by step solution

01

. Order of operations

To evaluate any expression involving more than one operation, follow the below order of operations:

  • First evaluate expressions inside grouping symbols like parentheses ( ) or brackets [ ].
  • Evaluate the exponents.
  • Perform Multiplication and division from left to right.
  • Perform addition and subtraction from left to right.
02

. Multiply from left to right

To evaluate the expression3.5s+r , substitute 4 for r and 6 for s in the expression and then simplify further using the order of operations as shown below,

3.5s+r=3.5(6)+4=3.5鈰�6+4=21+4

03

. Add the numbers

Now to simplify further, add the numbers to get

3.5s+r=21+4=25

Thus, the value of the expression is 25.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Gift Box A gift box has the shape of a cube with an edge length of 14 inches. Find the volume of the box.

Evaluate the expression when x=4,鈥塧苍诲y=3

localid="1648722643340" 7(x2鈭�5y)

Write the product using an exponent.

10鈭�10鈭�10

Logical Reasoning Describe the pattern shown in the table. Then write a variable expression involving n to complete the table. In the table, the three dots indicate that the pattern continues.

Evaluate the expression9.8+2.27鈭�5.
See all solutions

Recommended explanations on Math Textbooks

Calculus

Read Explanation

Probability and Statistics

Read Explanation

Decision Maths

Read Explanation

Discrete Mathematics

Read Explanation

Pure Maths

Read Explanation

Mechanics Maths

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.