3 years ago

What is 3 examples of a rate?

1 answer:

5 0

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

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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.

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3 years ago

Use long division to find a repeated decimal equivalency for the fraction 6/9

Sliva [168]

It gets repetitive really fast. The second verse is the same as the first. The result is ...

$\dfrac{6}{9}=0.\overline{6}$

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3 years ago

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Molly recives 20 mins of homework every night.Her brother says that he gets 10 times as much homework than her and he is in high

mina [271]

I would believe him. it comes down to about 3 hours and some change. i’m in high school and its a reasonable amount.

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3 years ago

Write this quadratic equation in standard form.

oksano4ka [1.4K]

Answer:

- $x^{2} + 3x -8 = 0$

Step-by-step explanation:

$x^{2} + x -8 - 2x = 0$
$x^{2} + 3x -8 = 0$

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2 years ago

A rectangle has a perimeter of 16 feet. What is a possible length and width for the rectangle? A rectangle has a perimeter of 16

matrenka [14]

Answer: width 2.5 length 4

Step-by-step explanation:

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