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disa [49]
4 years ago
10

A bag contains yellow marbles and blue marbles, 80 in total. The number of yellow marbles is 4 less than 5 times the number of b

lue marbles. How many yellow marbles are there?
Mathematics
1 answer:
Anuta_ua [19.1K]4 years ago
6 0

I believe it's 12 because 5*16=80. So, then you would subtract 4 from 16 and gat 12.

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Section 1 - Question 1
xenn [34]

Value of 5(d–2) is 45.

Option C is correct.

Step-by-step explanation:

We are given 3(d+1)=4(d–2) and we need to find the value of 5(d–2)

First we will solve 3(d+1)=4(d–2)  to find value of d:

Solving:

3(d+1)=4(d–2) \\3d+3=4d-8\\3d-4d=-8-3\\-d=-11\\d=11

So, value of d = 11

Now putting value of d in 5(d–2) and finding its value:

5(d–2)\\=5(11-2)\\=5(9)\\=45

So, value of 5(d–2) is 45.

Option C is correct.

Keywords: Solving Equations

Learn more about Solving Equations at:

  • brainly.com/question/1563227
  • brainly.com/question/2403985
  • brainly.com/question/11229113

#learnwithBrainly

6 0
4 years ago
What is the slope and y-intercept of y=16,500 - 1,500x?
MaRussiya [10]
Y=mx+b
m=slope
b=yint

y=16500-1500x
y=-1500x+16500

slope is -1500
yintercept is 16500
7 0
4 years ago
Please help and step by step​
vivado [14]

Answer:

5%

Step-by-step explanation:

720/144=5

7 0
3 years ago
Caleb and Landon work at a dry cleaners ironing shirts. Caleb can iron 30 shirts per hour, and Landon can iron 15 shirts per hou
noname [10]

Answer: The system of equations are

30x + 15y = 330

x = y + 2

Step-by-step explanation:

Let x represent the number of hours that Caleb worked.

Let y represent the number of hours that Landon worked.

Caleb can iron 30 shirts per hour, and Landon can iron 15 shirts per hour. This means that the number of shirts that Caleb would iron in x hours is 30x and the number of shirts that Landon would iron in y hours is 15y. They ironed 330 shirts between them. This means that

30x + 15y = 330 - - -- - - - - - - - - - - -1

Caleb worked 2 more hours than Landon. This means that

x = y + 2 - - - -- - - - - - - -2

6 0
3 years ago
Read 2 more answers
What is an example of standard notation ?
Roman55 [17]

5.6 x 10-9 That’s a standard notation


5 0
4 years ago
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