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prisoha [69]
3 years ago
14

Solve for a.

Mathematics
2 answers:
vesna_86 [32]3 years ago
8 0

Answer:

C) all real numbers

Step-by-step explanation:

4(a + 3) = 12 + 4a

<em>open the parenthesis</em>

4*a + 3*4 = 12 + 4a

4a + 12 = 12 + 4a

<em>subtract 4a from both sides of the equation</em>

12 = 12

since 12 = 12 regardless of what x is the solution is all real numbers

arlik [135]3 years ago
3 0

Answer:

All real numbers

Step-by-step explanation:

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The new apartment you are about to sign a one-year lease on is $1,500 per month. The lease
slamgirl [31]

Answer:

The new apartment you are about to sign a one-year lease on is $1,500 per month. The lease

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5 0
3 years ago
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Degger [83]

Let x = pounds of $12 per pound coffee

then

20-x = pounds of $9 per pound coffee

.

12x + 9(20-x) = 10(20)

12x + 180 - 9x = 200

3x + 180 = 200

3x = 20

x = 20/3

x = 6 and 2/3 pounds of $12 per pound coffee

.

Amount of $9 per pound coffee:

20-x = 20-20/3 = 60/3 - 20/3 = 40/3

or

13 and 1/3 pounds of $9 per pound coffee

3 0
3 years ago
write the equation in slope intercept form of the line that passes through -1, 11 and is parallel to the graph of y = -8x + 3
lawyer [7]
<h2>Answer: The line from the question [ y = -8x + 3 ] passes through the point ( -1, 11 ). </h2>

<h3 /><h3>Step-by-step explanation: </h3>

<u>Find the slope of the parallel line</u>

When two lines are parallel, they have the same slope.

                 ⇒  if the slope of this line = - 8

                      then the slope of the parallel line (m) = - 8

<u>Determine the equation</u>

We can now use the point-slope form (y - y₁) = m(x - x₁)) to write the equation for this line:  

                               ⇒  y - 11  =  - 8 (x - (-1))                                

                                ∴  y - 11  = - 8 (x + 1)

We can also write the equation in the slope-intercept form by making y the subject of the equation and expanding the bracket to simplify:

                      since   y - 11  = - 8 (x + 1)

                                        y  = - 8 x  + 3

The line from the question [ y = -8x + 3 ] passes through the point ( -1, 11 ).

5 0
2 years ago
Eva makes a few dozen cupcakes and sells them for $8 a dozen. Which function represents the relationship between the money Eva e
d1i1m1o1n [39]
The answer   is f(m) = c x 8
8 0
3 years ago
All freshmen, sophomores, juniors, and seniors attended a
Trava [24]

Answer:

The probability is .034375 or 11/320

Step-by-step explanation:

the probability of a senior being chose first is 22 (seniors) divided my total number of students (80) is .275 percent.

multiplied by the probability of a sophomore being chosen 10/80 which equals .125.

multiply those together and you get your probability. 0.034375 or 11/320

5 0
3 years ago
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