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Veseljchak [2.6K]
3 years ago
7

Twice a number, decreased by nineteen

Mathematics
2 answers:
anzhelika [568]3 years ago
5 0
2n-19 I think is the answer :3
sasho [114]3 years ago
5 0
2x-9 just as the other one said I prefer to use x as a variable when they say of a number I learned this last month it is rly easy once you get used to it
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2. Find the length of AD if the length of AB is
vlabodo [156]

Step-by-step explanation:

can you please show the picture too

5 0
2 years ago
The equation 201.50=f+6.50(21) represents the cost of printing the shirts at a second printing company. Find the solution to the
AveGali [126]

Answer:

f = 65

Setup cost = 65

Step-by-step explanation:

Given the equation : 201.50=f+6.50(21)

Solving for f:

201.50 = f + 136.50

201.50 - 136.50 = f

f = 65

The equation above is written in the form a slope intercept function where,, 6.50 is the gradient and X equals the number of shirts, The total cost of printing is 201.50

f is the intercept and represents the initial fee or setup cost. Hence, the setup. Cost = 65

5 0
2 years ago
Bill paid $2.49 for 5 pounds of rice. What could be cost of 9 pounds
Nadya [2.5K]

Answer:

\boxed{\sf Cost \ of \ 9 \ pounds \ rice =\$ 4.482}

Given:

5 pounds rice cost $2.49

To Find:

Cost of 9 pounds rice

Step-by-step explanation:

5 pounds rice cost $2.49

1 pound rice will cost $ \sf \frac{2.49}{5}

So,

9 pounds rice cost = 1 pound rice cost × 9

= $ \sf \frac{2.49}{5} \times 9

= $0.498 × 9

= $4.482

3 0
3 years ago
Read 2 more answers
Do anyone know how to answer this?
ANTONII [103]

Answer:

10

Step-by-step explanation:

8 0
3 years ago
Complete the square to put () in vertex form. () = 3<br> 2 + 30 − 12. What is the vertex?
gulaghasi [49]

Answer:

A and A

the equation of a parabola in vertex form is

y = a(x - h)² + k

where ( h, k ) are the coordinates of the vertex and a is a multiplier

y = - 2(x + 3)² + 2  is in this form

with vertex = ( - 3, 2)

To find the y-intercept let x = 0

y = - 2(3)² + 2 = - 18 + 2 = - 16

Similarly

y = - 2(x + 2)² + 2 is in vertex form

vertex = ( - 2 , 2)

x = 0 : y = - 2(2)² + 2 = - 8 + 2 = - 6 ← y- intercept

hope this helped

8 0
2 years ago
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