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11 months ago

The quotient of 7 and d decreased by 9

Mathematics

1 answer:

a_sh-v [17]11 months ago

6 0

The phrase "the quotient of 7 and d decreased by 9" written in be algebraic expression is 7/d - 9

<h3>Algebra</h3>

the quotient of 7 and d decreased by 9

Quotient means division

7/d - 9

For instance, if d = 0.5

7/d - 9

= 7/0.5 - 9

= 14 - 9

= 5

Therefore, the phrase "the quotient of 7 and d decreased by 9" written in be algebraic expression is 7/d - 9

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Liliana is making a vase with a circular base. She wants the area of the base to be between 135 cm2 and 155 cm2. Which circle co

Umnica [9.8K]

Answer:

(b) Circle C is shown. Line segment A C is a radius with length 7 centimeters.

Step-by-step explanation:

Given

$Minimum\ Area = 135cm^2$

$Maximum\ Area = 155cm^2$

$\pi = 3.14$

Required

Which circle could she use

To do this, we simply calculate the areas of all the given circles

The area of a circle is:

$Area = \pi r^2$

Where

$r = radius$

$a.\ r = 6cm$

The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (6cm)^2$

$Area = 3.14 * 36cm^2$

$Area = 114.04cm^2$

$b.\ r = 7cm$

The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (7cm)^2$

$Area = 3.14 * 49cm^2$

$Area = 153.86cm^2$

$c.\ r = 8cm$

The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (8cm)^2$

$Area = 3.14 * 64cm^2$

$Area = 200.96cm^2$

$d.\ r = 9cm$

The area is calculated as thus:

$Area = \pi r^2$

$Area = 3.14 * (9cm)^2$

$Area = 3.14 * 81cm^2$

$Area = 254.34cm^2$

<em>From the calculations above; only the circle in option (b) has an area within the required range of 135 to 155cm^2</em>

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3 years ago

Read 2 more answers

Indicate the equation of the given line in standard form.

s2008m [1.1K]

The line through (a,b) with slope m is

y-b = m(x-a)

Here that's

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

Let's multiply by 4 to clear the fractions and distribute the constants,

4y + 4 = 3x - 6

Rearranging into standard form,

3x - 4y = 10

Check. The slope is 3/4, good. 3(2) - 4(-1) = 6+4 = 10 good

Answer: 3x - 4y = 10

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3 years ago

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steposvetlana [31]

Answer:

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Step-by-step explanation:

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3 years ago

A certain connected graph has 68 vertices and 72 edges. Does it have a circuit?

OLEGan [10]

Answer:

Yes.

Step-by-step explanation:

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Paul [167]

9P2 =72

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