2 years ago

Original cost: $7.50; markup %:50%

Mathematics

2 answers:

vagabundo [1.1K]2 years ago

6 0

You would pay $3.75
7.50÷2

aliya0001 [1]2 years ago

3 0

3.75 because 7.50 × .50 (or 7.50/2) is 3.75

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The circumference of a circular garden is 147.58 feet What is the diameter of the garden? Use 3.14 for and do not round your ans

Stella [2.4K]

Answer:

The diameter is 47

Step-by-step explanation:

Given

$C = 147.58$ --- Circumference

$\pi = 3.14$

Required

Determine the diameter (d)

The circumference of a circle is:

$C = \pi d$

Make d the subject

$d = \frac{C}{\pi}$

$d = \frac{147.58}{3.14}$

$d = 47$

7 0

2 years ago

It’s system of equations but it needs to be solved in substitution if you can answer I’ll give five stars

Aloiza [94]

2x - 3(x-1) = -1
2x -3x + 3 = -1
-1x + 3 = -1
-1x = -4
x = 4

y = 4 - 1
y = 3

8 0

3 years ago

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The volume of a rectangular prism is represented by the function x3 + 11x2 + 20x – 32. The width of the box is x – 1 while the h

Oksi-84 [34.3K]

we know that

the volume of a rectangular prism is equal to

$V=L*W*H$

where

L is the length of the box

W is the width of the box

H is is the height of the box

in this problem we have

$V=x^{3\ }+11x^2+20x-32$

$W=x-1$

$H=x+8$

$L=?$

Find the length of the box

Using a graph tool-------> we will determine the roots of the equation of volume

see the attached figure

the roots are

$x=-8\\x=-4\\ x=1$

$x^{3\ }+11x^2+20x-32=(x+8)*(x+4)*(x-1)$

therefore

the answer is

the length of the box is equal to $(x+4)$

8 0

2 years ago

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Which equation represents a proportional relationship? A)y = 5 B)x = 3 C)y = 2x + 3 D)y = 1/4 x

umka2103 [35]

D)y=1/4x represents a proportional relationship

6 0

3 years ago

Why the output is a zero number ? <img src="https://tex.z-dn.net/?f=%28x%20-%203%29%20%5Ctimes%20%28x%20%20%20%2B%204%29%20%3

ELEN [110]

Answer:

see explanation

Step-by-step explanation:

Given

(x - 3) × (x + 4) = 0, that is

(x - 3)(x + 4) = 0

The zero product indicates that (x - 3) = 0 or (x + 4) = 0

x - 3 = 0 ⇒ x = 3

x + 4 = 0 ⇒ x = - 4

Thus if x = 3, then

(3 - 3)(x + 4) = 0 × (x + 4) = 0

Similarly if x = - 4 the output is zero

4 0

2 years ago