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Anna35 [415]
2 years ago
7

Determine the percent of change. Round to the

Mathematics
1 answer:
Goshia [24]2 years ago
5 0

Answer:

DECREASE

Step-by-step explanation:

Not sure

But Hope It Help

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What is the side length, in inches, of the pets
tatiyna

Candy draws a square design with a side length of x inches for the window at the pet shop. She takes the design to the printer and asks for a sign that has an area of 16x2 – 40x + 25 square inches. What is the side length, in inches, of the pet shop sign?

Answer:

the length of the sign is 4x-5 inches

Step-by-step explanation:

Given

Area of the square of design = 16x^{2} -40x+25

First we find the roots of equation 16x^{2} -40x+25=0

The roots of the quadratic equation ax^{2} +bx^{2} +c=0 are given by

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}

where a=16, b=-40, c=25

x=\frac{40\pm\sqrt{(-40)^2-4\times 16\times 25}}{2\times 16}

x=\frac{40\pm\sqrt{1600-1600}}{32}

x=\frac{40\pm\sqrt{0}}{32}

x=\frac{40}{32}

x=\frac{5}{4}

4x=5\\4x-5=0

That is, the factors of the polynomial 16x^{2} -40x+25 are 4x-5 and 4x-5.

So, Area of the square design = 16x^{2} -40x+25 = (4x-5)^{2}

Area of a square = Length^2

Thus, the length of the sign is 4x-5 inches

7 0
3 years ago
Which pair of variables would most likely have a negative association?
Svetlanka [38]

Answer:

C the temperature and the number of votes a candidate for the school president receives.

8 0
2 years ago
A sphere has a diameter of 14 ft. What is its surface​ area? The surface area of the sphere is ft squared. ​(Type an exact answe
-BARSIC- [3]

Answer:

The Formula is 4 x Pi x Radius Squared . surface area of sphere = 4 x pi x radius x radius where "x" indicates multiplication and pi = approximately 3.141592654 4 * pi * r^2

Step-by-step explanation:

4 0
3 years ago
Let ​ f(x)=x+2 ​ and ​ g(x)=2x+1 ​ .
gogolik [260]
<h2>x= 0 and x= 1</h2>

Step-by-step explanation:

Given  g(x) = x+2  and   f(x) = 2^x+1

If f(x) = g(x)

⇔2^x+1 = x+2

⇔2^x= x +1

Only x= 1 and x=0 will be satisfy  the above equation.

If x= 1, it gives             and x=0 gives

2^1= 1+1                       2^0=0+1

⇔2=2                          ⇔1=1

7 0
3 years ago
Read 2 more answers
PLEASE HELP I AM DESPERATE!!!
Vilka [71]

Answer:

Statements:

m<b = 180 - m<a

m<c = 180 - m<d

m<b = m<c

180 - m<a = 180 - m<d

Reasons:

The measure of m<b is the angle of a straight line subtracted with m<a. The measure of m<c is the angle of a straight line subtracted with m<d. If m<a and m<d are equal, m<b and m<c are equal.

Step-by-step explanation:

We know, m<a = m<d

So, we need to prove m< b = m<c

Let's start by defining what b and c is

m<b + m<a = 180 This is because a straight line is 180 degrees

m<b = 180 - m<a

m<c + m<d = 180

m<c = 180 - m<d

With this, we can substitute in proof

m<b = m< c

180 - m<a = 180 - m<d

180 - m<a = 180 - m<a

Your welcome for the answer. Tell me if you have any questions in the comments section of this answer! If you could mark this answer as the brainliest, I would greatly appreciate it!

4 0
2 years ago
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