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3 years ago

11

A baker uses 33 cups of flour to make each cake. If ff represents the total amount of flour, which equation models this situatio

n?

1 answer:

igor_vitrenko [27]3 years ago

7 0

We need to see your selection to chose from but <em>it would look something like the following

x = number of cakes

ff = 33x</em>

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the value of the building owned by two veterinarians went from 125000 to 117500. What is the percent decrease

sergij07 [2.7K]

The decrease:
125000 - 117500 = 7500

Percentage of decrease = 7500/125000 x 100 = 6%

3 0

3 years ago

A rectangular prism is a

OleMash [197]

Answer: Three dimensional

Step-by-step explanation:

A rectangular prism is a three-dimensional shape.

[] A one-dimensional shape is a line

[] A two-dimensional shape is a rectangle, circle, etc

[] This means that a rectangular prism is a three-dimensional shape

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2 years ago

If the endpoints of the diameter of a circle are (−8, −6) and (−4, −14), what is the standard form equation of the circle? A) (x

Andrei [34K]

Answer:

$\large\boxed{A.\ (x+6)^2+(y+10)^2=20}$

Step-by-step explanation:

The standard form of an equation of a circle:

$(x-h)^2+(y-k)^2=r^2$

(h, k) - center

r - radius

We have the endpoints of the diameter of a circle (-8, -6) and (-4, -14).

The midpoint of a diameter is a center of a circle.

The formula of a midpoint:

$\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)$

Substitute:

$x=\dfrac{-8+(-4)}{2}=\dfrac{-12}{2}=-6\\\\y=\dfrac{-6+(-14)}{2}=\dfrac{-20}{2}=-10$

We have h = -6 and k = -10.

The radius is the distance between a center and the point on a circumference of a circle.

The formula of a distance between two points:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Substitute (-6, -10) and (-8, -6):

$r=\sqrt{(-8-(-6))^2+(-6-(-10))^2}=\sqrt{(-2)^2+4^2}=\sqrt{4+16}=\sqrt{20}$

Finally we have

$(x-(-6))^2+(y-(-10))^2=(\sqrt{20})^2\\\\(x+6)^2+(y+10)^2=20$

5 0

3 years ago

Read 2 more answers

1. Which of the following is not an equation?

OlgaM077 [116]

Answer:

2. is not an equation

Step-by-step explanation:

An equation always has an equal sign. An expression doesn't

5 0

3 years ago

Fine the value of 3x-2 when x=4

mamaluj [8]

Answer:

10

Step-by-step explanation:

3x - 2 = 3(4) - 2 = 12 - 2 = 10

8 0

3 years ago

Read 2 more answers