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Elza [17]
2 years ago
12

The equation r = 6t gives the number of albums released, r, by a record label over time in years, t. If you graph this relations

hip with time along the x-axis and the number of albums along the y-axis, which points lie on the resulting line?
(7, 44)
(8, 48)
(9, 52)
(12, 74)
(13, 78)
Mathematics
2 answers:
GalinKa [24]2 years ago
5 0
R = 6t.....subbing in (8,48).....t = 8 and r = 48
48 = 6(8)
48 = 48 (correct)

r = 6t...subbing in (13,78)...t = 13 and r = 78
78 = 6(13)
78 = 78 (correct)

so u have 2 sets of points on this line and they are (8,48) and (13,78)
aliina [53]2 years ago
3 0

Answer:

It's B and E

Step-by-step explanation:

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4vir4ik [10]

<u>Answer:</u>

x = 4 (extraneous solution)

<u>Step-by-step explanation:</u>

\frac { 4 } { x - 4 } = \frac { x } { x - 4 } - \frac { 4 } { 3 } \\ \frac { 4 } { x - 4 } - \frac { x } { x - 4 } = - \frac { 4 } { 3 } \\ \frac { 4 - x } { x - 4 } = - \frac { 4 } { 3 } \\ 3 ( 4 - x ) = - 4 ( x - 4 ) \\ 1 2 - 3 x = - 4 x + 1 6 \\ 4 x - 3 x = 1 6 - 1 2 \\ x = 4 \\

This solution is extraneous. Reason being that even if it can be solved algebraically, it is still not a valid solution because if we substitute back x=4, we will get two fractions with zero denominator which would be undefined.

7 0
1 year ago
Evaluate -32 + (2-6)(10).
vitfil [10]

Answer:

-72

Step-by-step explanation:

-32 + (2-6)(10)

PEMDAS

Parenthases first

(-4)(10)

multiply together

(-40)

Then just add the -32 and since a negative plus a negative is always negative the answer is going to be negative

-32 + (-40)

= -72

3 0
1 year ago
Read 2 more answers
A car is traveling at a constant speed of 46 miles per hour. the formula for the distance traveled at the end of t hours is d=46
jonny [76]

d = 46t

  • First, let's find "d" for 7 hours.

           d = 46(7)

           d = 322 miles                          (7, 322)

  • Next, let's find "d" for 12 hours.

            d = 46(12)

            d =   552 miles                      (12, 552)

  • Finally, let's find "d" for 18 hours.

            d = 46(18)

           d = 828 miles                          (18, 828)    

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1 year ago
A graduate weighs 35.825 g. When 10 mL of water are measured in it, the weight of the graduate and water is 45.835 g. Calculate
erik [133]

Answer:

Calculated weight of water = 10.01 g

percentage error = 0.1%

Step-by-step explanation:

Given:

Weight of graduate = 35.825 g

Weight of graduate + Water = 45.835 g

Now,

The weight of water = ( Weight of graduate + Water ) - Weight of graduate

or

The weight of water = 45.835 - 35.825

or

The weight of water = 10.01 g

Now,

The percentage of error = \frac{\textup{Calculated value - Actual value}}{\textup{Actual value}}\times100

or

The percentage error = \frac{\textup{10.01 - 10}}{\textup{10}}\times100

or

The percentage error = 0.1%

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1. 100 * 20
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