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Jlenok [28]
3 years ago
12

PLS HELP QUICK!!!!

Mathematics
1 answer:
Verizon [17]3 years ago
6 0

Answer:

2(3x-7) = 6x-14 has infinite solutions

-5x+12 = -5(x-2) has no solutions

4(x-2) = 3x+1 has one solution x = 9

Step-by-step explanation:

You might be interested in
The vertex of this parabola is at (-4,-1).When the y-value is 0,the x-value is 2.What is the coefficient of the squared term in
densk [106]

Answer:

  1/36

Step-by-step explanation:

When the coefficient is 1, the function has zeros at -3 and -5, one horizontal unit from the vertex. You want to move the zero to (2, 0), which is 6 units from the vertex. To achieve a horizontal stretch by a factor of 6, the value of x in the function must be replaced by x/6. That would make the coefficient of x^2 be (1/6)^2 = 1/36.

The coefficient of the squared term is 1/36.

8 0
3 years ago
F(x)=3x 3 inverse function
scoundrel [369]

Step-by-step explanation:

if I understand this correctly than you are looking for the inverse function of f(x) = y = 3x³.

the inverse function simply tries to calculate the original x it of the original y.

and then, to make it a formal function, we rename x to y and y to x.

y = 3x³

x³ = y/3

x =  \sqrt[3]{ \frac{y}{3} }

=> as "regular" function

y  =  {f}^{ - 1} (x)=  \sqrt[3]{ \frac{x}{3} }

4 0
3 years ago
Faye, George, and Hannah are salespeople working at Lasht Cellular. It costs Lasht Cellular $21.49 per phone to stock a certain
Aleks04 [339]
In order to get the profit, we must compute first the fixed cost
Fixed cost = storage cost + overhead cost
storage cost = total phones x storage fee
                       = (214+176+251) x$21.49
                       =$13775.09
fixed cost =$13775.09+$14350
                 = $28125.09
Next we compute the net sales
net sales = total sales - commision
total sales = 641 x$68.75 =$44068.75
commision= (214x$10.25)+(176x$8.9)+(251x$9.65)
                   =6182.05
net sales = $44068.75-6182.05 =$37886.7
profit = net sales- fixed cost
profit = $37886.7-$28125.09
profit = $9761.61 
The profit for Lasht cellular is $9761.61
3 0
4 years ago
Read 2 more answers
Mr. Fix it want to fence a rectangular lot. He has 122 feet of fencing available. If the length is 25 feet more than the width,
andrew11 [14]

Answer:

Width = 18 feet

Length =  43 feet

Step-by-step explanation:

Width = x

Length = x +25

Perimeter = 122 feet

2 * (length + width) = 122

    2 * (x+25 + x) =122

          2x + 25 = 122/2

             2x +25 = 61

                   2x = 61-25

                     2x = 36

                       x = 36/2

                       x = 18 feet

Width = 18 feet

Length = 18 + 25 = 43 feet

4 0
3 years ago
Mike drove 397 miles on 8 hours. About how many miles did she drive each hour?
Alina [70]

Answer:

49.6

Step-by-step explanation:

just divide 397 by 8

3 0
3 years ago
Read 2 more answers
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