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scoray [572]
3 years ago
13

Define a variable and write an expression for the phrase. 8 minus a number 8n 8 – n

Mathematics
1 answer:
Lisa [10]3 years ago
7 0
I think it might be 8-8n 8-n 
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The slope is 35. The y-intercept is 550. what can you conclude?
MrRa [10]

Answer:

the formula is y = mx + b. (m) represents slope and (b) represents the intercept

Step-by-step explanation:

So with that formula and info given, you can form the equation y = 35x + 550

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3 years ago
So that you get points answer this easy question <br> 2 - 1
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Step-by-step explanation:

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3 years ago
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An object is 3.6 m from the pinhole. Its image is 4.2 cm from the opposite side of the pinhole. The height of the image is 0.8 c
madreJ [45]

Answer:

Height of the object is 68.6 cm.

Step-by-step explanation:

The height of the object can be determined by:

\frac{object distance from pinhole}{image distance from pinhole} = \frac{object height}{image height}

From the given question;

object distance from pinhole = 3.6 m = 360 cm

image distance from pinhole = 4.2 cm

height of image = 0.8 cm

So that;

\frac{360}{4.2} = \frac{object height}{0.8}

⇒ object height = \frac{360*0.8}{4.2}

                           = \frac{288}{4.2}

                           = 68.571

object height = 68.6 cm

Thus, the height of the object is 68.6 cm.

5 0
3 years ago
What is 3 examples of a rate?
atroni [7]

Answer:

Step-by-step explanation: For example, if a 12 ounce can of corn costs 55 cents the rate is 55 cents for 12 ounces. The first term in ratio is measured in cents the second term in ounces

5 0
3 years ago
The elevator in the Empire State Building can pass 80 floors in 45 seconds. How many floors can it pass in 9 seconds?
castortr0y [4]
\bf \begin{array}{ccll}&#10;floors&seconds\\&#10;\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\&#10;80&45\\&#10;f&9&#10;\end{array}\implies \cfrac{80}{f}=\cfrac{45}{9}\implies \cfrac{80\cdot 9}{45}=f
7 0
3 years ago
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