isabelldavis2 isabelldavis2

25-07-2021
Mathematics

contestada

10 times a certain number plus 5 times the same number equals 90 what is the number

Respuesta :

Аноним Аноним

25-07-2021

Let the number be x

ATQ

[tex]\\ \sf\longmapsto 10x+5x=90[/tex]

[tex]\\ \sf\longmapsto (10+5)x=90[/tex]

[tex]\\ \sf\longmapsto 15x=90[/tex]

[tex]\\ \sf\longmapsto x=\dfrac{90}{15}[/tex]

[tex]\\ \sf\longmapsto x=6[/tex]

Answer Link

Otras preguntas

State whether set A and B are equal, equivalent, both, or neither. A = {9, 8, 7} B = {8, 9, 10}

What is the difference between primary storage secondary storage and offline storage

how do you solve radical and division to this problemand siplifyradical 15/4 15 over 4

What is Armistice Day?

how do adrenaline help in dealing with emergency situations

Nancy sells handcrafted bracelets at a flea market for $6. If her monthly fixed costs are $625 and each bracelet cost her $1.75 to make, how many bracelets must

the circles below is centered at the point (4,3) and has a radius of length 8. Whats its equation?

Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution. Please explain how you got

How to solve 5(x-3)+2=7?step by step please help me math tutor. Right answer only.

Three of four numbers have a sum of 22. If the average of the four numbers is 8, what is the fourth number?