01-06-2020
Mathematics

contestada

A bag contains yellow marbles and blue marbles, 23 in total. The number of yellow marbles is 7 less than 2 times the number of blue marbles. How many yellow marbles are there?

Respuesta :

Kelemele Kelemele

02-06-2020

Answer:

8

Step-by-step explanation:

yellow marbles=2b-7

blue marbles=2b

2b+2b-7=23

4b=23+7

4b=30

b=30/4

b=7.5

yellow marbles=2b- 7

2 x 7.5 -7

15 - 7

=8

Answer Link

Otras preguntas

Which statement correctly describes a thesis? A thesis expresses a viewpoint about a topic. A thesis asks a question about a topic. A thesis states a fact abou

It cost $520 to plant 4 acres of corn. How much would it cost to plant 3/5 acre of corn?

claude bernards first recognized

What occurs when an object travels in a curved path

Only one cell in a table can be selected at once. T F

The dust bowl had the greatest negative impact on the

Which of the following statements describes mental disorders? a. Mental disorders are usually only found in individuals with low mental capabilities. b. Menta

What is vice presidential role in running on a ticket?

Statistics that are used to draw conclusions about larger groups are called __________.

If Word finds a potential error in a document, a red, green, or blue wavy underline flags the problem. True False