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vekshin1
4 years ago
7

Simplify the expression 8x + 4(x -1)

Mathematics
1 answer:
s344n2d4d5 [400]4 years ago
6 0
8x+4x-4

12x-4 is the answer
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Jordan bikes at a speed of 8 2/3mph. How many miles will he bike in:<br> 45 minutes?
olganol [36]

Answer:

6 miles

Step-by-step explanation:

You Can make a proportion

\frac{26/3 miles}{60 minutes}=\frac{x}{45 minutes}

Now cross multiply

45*26/3 is 360

and 60*x is 60x

make an equation

60x=360

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So 6 miles

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How many solutions are there for the system of equations shown on the graph?
jarptica [38.1K]

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D

Step-by-step explanation:

There can be infinite solutions

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A map scale indicates that .5 inches represents 13 miles. What is the actual distance of two cities that are measured on the map
Brut [27]

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MissTica

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3 years ago
The school band collected $2,892 for 480 tickets sold to their spring concert. Adult tickets were $8 each and student tickets we
Elanso [62]

Answer:

164 tickets

Step-by-step explanation:

We can denote number of adult tickets as "y"

Then if number of adult tickets is "y" then number of student tickets can be expressed as (480-y)

We were given Total cost of tickets as ($2892) ............eqn(1) and the cost of adult ticket is $8 per one, and also Cost student ticket $5 per one

the algebra equation can be expressed as :

8y + 5y= 2892

If we substitute eqn (1) we have

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Therefore, the number of adult tickets sold is 164

3 0
3 years ago
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