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3 years ago

Write an equation that models the sequence 400, 200, 100, 50, ...

2 answers:

3 0

You're starting at 400. Each time you're cutting in half.

So the common ratio is 1/2 which means the equation is

$\Large y = 400(1/2)^{x-1}$

which is in the geometric sequence format. So the answer is choice D

Svetlanka [38]3 years ago

3 0

Answer:

he answer is D.)y = 400(1/2)X-1

Step-by-step explanation:

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Find the missing side of the triangle and leave the answer in simplest radical form.

tatuchka [14]

Answer:

x = $\sqrt5$

Step-by-step explanation:

Using Pythagoras theorem,

Square of longer side = Sum of square of other sides .

Therefore,

$(\sqrt{11})^2 = x^2 + (\sqrt{6})^2\\\\11 = x^2 + 6\\\\11 - 6 = x^2\\\\5 = x^2\\\\x = \sqrt 5$

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3 years ago

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Stella [2.4K]

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What is the volume of a box with width 2 2/3 inches, length 3 1/3 , inches, and height 2 1/3. inches?

g100num [7]

Answer:

It is 20.74 and the fraction way it is 20 20/27

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3 years ago

(7th grade work) the point (12,5) is on the graph, what do the coordinates tell you about the water in the bucket?

stiks02 [169]

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3 years ago

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write each statement as a decimal to two decimal places. $6.00 to 95 cents 3 hours to 35 minutes 42 inches to 2 feet

pychu [463]

Answer:

1. $6.00 to 95 cents = 6.32

2. 3 hours to 35 minutes = 5.14

3. 42 inches to 2 feet = 1.75

Step-by-step explanation:

Given

$6.00 to 95 cents

3 hours to 35 minutes

42 inches to 2 feet

Required

Express in 2 decimal places

1. $6.00 to 95 cents

Express as ratio

$\$6.00 : 95\ cents$

Convert dollars to cents

$6.00 * 100\ cents: 95\ cents$

$600\ cents: 95\ cents$

Convert ratio to division

$\frac{600\ cents}{95\ cents}$

$6.31578947368$

Approximate

$6.32$

2. 3 hours to 35 minutes

Express as ratio

$3\ hours : 35\ minutes$

Convert hours to minutes

$3 * 60\ minutes: 35\ minutes$

$180\ minutes: 35\ minutes$

Convert ratio to division

$\frac{180\ minutes}{35\ minutes}$

$5.14285714286$

Approximate

$5.14$

3. 42 inches to 2 feet

Express as ratio

$42\ inches: 2\ feet$

Convert feet to inches

$42\ inches:2 * 12\ inches$

$42\ inches : 24\ inches$

Convert ratio to division

$\frac{42\ inches}{24\ inches}$

$1.75$

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3 years ago