301 Answered Questions for the topic Pre Algebra

12/10/20

A survey of 1200 people in a certain city indicates that 830 own microwave​ ovens, 720 own DVD​ players, and 570 own microwave ovens and DVD players.

A survey of 1200 people in a certain city indicates that 830 own microwave​ ovens, 720 own DVD​ players, and 570 own microwave ovens and DVD players.​(A) How many people in the survey own either a... more

12/10/20

A circular spinner is divided into 16 sectors of equal​ area: 5 red​ sectors, 5 ​blue, 3 ​yellow, and 3 green. Consider the experiment of spinning the spinner once.

A circular spinner is divided into 16 sectors of equal​ area: 5 red​ sectors, 5 ​blue, 3 ​yellow, and 3 green. Consider the experiment of spinning the spinner once. Find the probability that the... more

11/17/20

Math inequalities

Translate. The sum of 2 times a number, x, and 6 is more than 40. Very tough math question I need some help in this

09/16/20

Rational and Irrational numbers

Fill in the blanks: A rational number can be written as a ____ of ____ Integers include ______ numbers and their ______ such as 6 and -6 two examples of rational numbers: ____ and ____ This... more

03/23/20

Inequality Statement

Five less than 18 times the number x, is less than or equal to -45
Pre Algebra Inequalities

12/16/19

Translating Inequality word problems into inequalities

Can you please translate this inequality word problems into an inequality - Trisha has $350 in her bank account and is earning $25 a day. Rhea has $200 in her bank account and earns $35 a day.... more
Pre Algebra Math Calculus Statistics

11/27/19

Which of these two women is more likely to be the parent of two girls? Explain.

Professor Robertson and Professor Simpson are both mathematicians. Professor Robertson tells you that she has exactly two children, at least one of whom is a girl. Then Professor Simpson tells you... more
Pre Algebra

09/21/19

how to find a polynomial function with given zeros

how to find a polynomial function with given zerosX=-3,-1; n=4
Pre Algebra

06/03/19

angle word problem

Two angles are complementary. The second angle measures 48 degrees less than the first angle. What is the measure of the first angle?
Pre Algebra

04/21/19

I need help with this word problem.

A hospital has available Actinomicina for children 2 mg/kg. A nurse must give this medication to an infant that weighs 16 lbs. and 10 oz. How many mg must the nurse give (single dose)? Round to the... more
Pre Algebra

02/11/19

I need help with this answer

3(x2–x+1)–0.5x(4x–6) is a positive number.
Pre Algebra

01/29/19

how do you solve a linear system using the subtraction method for x+y=-3 , 3x+y=3

Pre Algebra

01/27/19

How to write an equation and solve Five less than the opposite of a number is three times the sum of the number and -7

How to write an equation and solve Five less than the opposite of a number is three times the sum of the number and -7
Pre Algebra

01/17/19

Solve (-2x-3)4. Simplify by using distributive property

Pre Algebra

01/06/19

Can you help me with a word problem?

Sarawongs school is selling tickets to a spring musical. On the first day of ticket sales the school sold 7 senior citizen tickets and 13 student tickets for a total of 166$. The school took in... more
Pre Algebra

12/28/18

Find the measure of angle 3

Pre Algebra

12/26/18

Liz is a jabber-mouth; she can speak 225 words in 5 minutes.

bFind the constant of variation. Do these quantities (number of words and time) vary directly or inversely?

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