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cluponka [151]
3 years ago
13

Ami purchases 27 T-shirts for a certain amount of money. Using m for the total amount of money in dollars that Ami spent on T-sh

irts, write an expression that represents how much one T-shirt costs
Mathematics
2 answers:
swat323 years ago
8 0
Let T=Num of T-shirts 27
Let M=Total amount of money spent for 27 T-shirts.
Let X=Cost of 1 T-shirt

M(Total cost)/T(#of T-shirts) = X (Cost of one shirt)
juin [17]3 years ago
4 0

your expression would be-



27/m

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Just follow this operation.
Find the two perfectly squared factors the multiple to your number.
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Please help me write an equation.
vekshin1

Answer:

k=6

Step-by-step explanation:

Line partition formula

1/b(x2-x1)+x1, 1/b(y2-y1)+y1

Where b is the number partitions.

We know the x values so Subsitue 17 for x2 and 2 for x1. and we know this value must equal 7.

1/b(17-2)+2=7

1/b(15)=5

1/b=1/3

b=3

so the partition is 1/3

\frac{1}{3} (17 - 2) + 2 = 7

So let find the y coordinate

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So our y coordinate is 6.

4 0
2 years ago
What is 25.7 in scientific notation?​
NISA [10]

Answer:

2.57 x 10^1

is the scientific notation of 25.7

8 0
2 years ago
X / -3 = 6<br> Pls solve.
soldier1979 [14.2K]

Answer:

-18

Step-by-step explanation:

7 0
3 years ago
An aircraft factory manufactures airplane engines. The unit cost C (the cost in dollars to make each airplane engine) depends on
butalik [34]

Answer:

90 engines must be made to minimize the unit cost.

Step-by-step explanation:

Vertex of a quadratic function:

Suppose we have a quadratic function in the following format:

f(x) = ax^{2} + bx + c

It's vertex is the point (x_{v}, y_{v})

In which

x_{v} = -\frac{b}{2a}

y_{v} = -\frac{\Delta}{4a}

Where

\Delta = b^2-4ac

If a>0, the minimum value of the function will happen for x = x_v

C(x)=x²-180x+20,482

This means that a = 1, b = -180, c = 20482

How many engines must be made to minimize the unit cost?

x value of the vertex. So

x_{v} = -\frac{b}{2a} = -\frac{-180}{2(1)} = 90

90 engines must be made to minimize the unit cost.

3 0
2 years ago
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