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Charra [1.4K]
2 years ago
5

Help? question below

Mathematics
2 answers:
andre [41]2 years ago
8 0
First you set up your equations
Company 1–> 9.65x+43
Company 2–> 8.40x+58

Next you set them equal to each other
9.65x+43=8.40x+58
9.65x-8.40x=58-43
1.25x=15/1.25
x=12
When you plug 12 into both equations you’ll get that they both equal 158.8
Readme [11.4K]2 years ago
7 0

Answer:

12 shirts

Step-by-step explanation:

First, let x = # of shirts and y = total cost in $. Then create an equation with x and y representing each company. The first company is y = 9.65x + 43 and the second company is y = 8.40x + 58. Since we need to find the # of shirts that would result in the equal total cost, we need to find x when y is equal to the other. Thus here is the setup: 9.65x + 43 = 8.40x + 58, and we would get 1.25x = 15, so x = 12.

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Draw the line of symmetry in each figure below (please need answers asap!!)
AfilCa [17]
<h3>Solution:</h3>

A line of symmetry is a figure that can be <u>divided</u> in 2 equal parts.

  • The first figure has 1 line of symmetry since it can be <u>divided</u> into 2 equal parts horizontally. (According to image)
  • The second figure has 1 line of symmetry since it can be <u>divided</u> into 2 equal parts. (According to image)

4 0
2 years ago
Read 2 more answers
Let f(x) be a func. satisfying f(-x)=f(x) for all real x.if f"(x) exist, find its value.
OverLord2011 [107]

Answer:

f''(x)=f''(-x)

Step-by-step explanation:

A function satisfying the equation f(x)=f(-x) is said to be an even function. This denomination comes from the fact that the same relation is satisfied for functions of the form x^{n} with n even. Observe that if f is twice differentiable we can derivate using the chaing rule as follows:

f(x)=f(-x) implies f'(x)=f'(-x)\cdot (-1)=-f'(-x)

Applying the chain rule again we have:

f'(x)=-f'(-x) implies f''(x)=-f''(-x)\cdot (-1)=f''(-x)

So we have that function f''(x) is also an even function.

4 0
3 years ago
Yesterday, a shipping company delivered a combined total of 50,995 letters and packages. If
In-s [12.5K]

Answer:

letters = 46536

Step-by-step explanation:

letters + packages = 50995

letters + 4459 = 50995

letters = 50995 - 4459

letters = 46536

8 0
3 years ago
Which property was used to simplify the expression?<br><br> (y^5)^2 = y^10
gayaneshka [121]
<span>(y^5)^2 = y^10

This is power of a power property</span>
3 0
3 years ago
Read 2 more answers
*15 points help easy question*
DIA [1.3K]

Answer:

x = 12

Step-by-step explanation:

The segment from the vertex to the base is a perpendicular bisector.

Using Pythagoras' identity on the right triangle on the right.

(\frac{1}{2} x )² + 3² = (\sqrt{45} )² , that is

\frac{1}{4} x² + 9 = 45 ( subtract 9 from both sides )

\frac{1}{4} x² = 36 ( multiply both sides by 4 )

x² = 144 ( take the square root of both sides )

x = \sqrt{144} = 12

8 0
3 years ago
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