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tamaranim1 [39]
2 years ago
7

Please help me with this problem

Mathematics
2 answers:
Roman55 [17]2 years ago
5 0
I’m pretty sure it’s 2 but I’m sorry if it’s not
Lapatulllka [165]2 years ago
4 0

Answer:

6/7

Step-by-step explanation:

1(3/4)

____

7/8

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For each equation choose a value for x and then solve
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Step-by-step explanation:

For each equation choose a value for x and then solve to find the corresponding y value that makes that equation true.

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Can someone please express 105/20 as a mixed number in simplist form
storchak [24]
Just divide 105 by 20

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answer: 5 1/4
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What is the greatest common factor of 39, 42, and 33​
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What is a rational number? A.9 B.15 C.28 D.25
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O.9c + 1.89r = 17.01 c=18.9 - 2.1r equation answer
ikadub [295]

Answer:

c=18.90-2.1r

Step-by-step explanation:

<u><em>The complete question is</em></u>

A chef bought $17.01 worth of ribs and chicken. Ribs cost 1.89 per pound and chicken costs 0.90 per  pound. The equation 0.90 +1.89r = 17.01 represents the relationship between the quantities in this  situation.

Show that each of the following equations is equivalent to 0.9c + 1.89r = 17.01.

Then, explain when it might be helpful to write the equation in these forms.

a. c=18.9-2.1r. b. r= -10÷2c+9​

we have that

The linear equation in standard form is

0.90c+1.89r=17.01

where

c is the pounds of chicken

r is the pounds of ribs

step 1

Solve the equation for c

That means ----> isolate the variable c

Subtract 1.89r both sides

0.90c=17.01-1.89r

Divide by 0.90 both sides

c=(17.01-1.89r)/0.90

Simplify

c=18.90-2.1r

step 2

Solve the equation for r

That means ----> isolate the variable r

Subtract 0.90c both sides

1.89r=17.01-0.90c

Divide by 1.89 both sides

r=(17.01-0.90c)/1.89

Simplify

r=9-0.48c

therefore

The equation c=18.90-2.1r is equivalent

The equation is helpful, because if I want to know the number of pounds of chicken, I just need to substitute the number of pounds of ribs in the equation to get the result.

4 0
3 years ago
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