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3 years ago

What is the common ratio in the sequence 6,12,24,48,96 A -2 B 2 C 6 D 1/2

Mathematics

1 answer:

anyanavicka [17]3 years ago

3 0

The ratio is that of one term to the one before:

... 12/6 = 2

It is "common" because it applies to every pair of adjacent terms:

... 24/12 = 48/24 = 96/48 = 2

The appropriate choice is ...

... B 2

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Brown rice costs $2 per pound, and beans cost $1.60 per pound. Lin has $10 to spend on these items to make a large meal of beans

Valentin [98]

Answer:

1. $2r+1.6b=10$

2. $r=5-0.8b$

3. $b=6.25-1.25r$

Step-by-step explanation:

<h3> The complete exercise is: "Brown rice costs $2 per pound, and beans cost $1.60 per pound. Lin has $10 to spend on these items to make a large meal of beans and rice for a potluck dinner. Let b be the number of pounds of beans Lin buys and r be the number of pounds of rice she buys when she spends all her money on this meal.</h3><h3>1. Write an equation relating the two variables.</h3><h3>2. Rearrange the equation so "b" is the independent variable.</h3><h3>3. Rearrange the equation so "r" is the independent variable."</h3><h3 />

1. According to the information exercise given in the exercise, the cost per pounds of brown rice is $2. Since "r" represents the number of pounds of rice Lin buys, the total cost of the brown rice she buys can be represented with this expression:

$2r$

The beans cost $1.60 per pound. Since "b" represents the number of pounds of beans Lin buys, the total cost of beans she buys can be represented as:

$1.6b$

Knowing that she spends $10, you can write the following equation:

$2r+1.6b=10$

2. In order to rearrange the equation so "b" is the independent variable, you need to solve for "r":

$2r+1.6b=10\\\\2r=10-1.6b\\\\r=\frac{10-1.6b}{2} \\\\r=5-0.8b$

3. To rearrange the equation so "r" is the independent variable, you must solve for "b". You get:

$2r+1.6b=10\\\\1.6b=10-2r\\\\b=\frac{10-2r}{1.6}\\\\b=6.25-1.25r$

7 0

3 years ago

4th grade math. Help?!

viva [34]

Answer: Well... does it give you the approximate length or actual length of the butterfly? If so, you would take that length and multiply it by 5. That would give you the length of the 5 butterfly lined up together.

If it does not give you the approximate length or actual length, look up the length on google. (Google Answer- Size: 2.5" - 4.0" range.)

Take that and multiply it by five to get the length of the 5 butterflies.

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3 years ago

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N circle C, r = 32 units. What is the area of circle C?

charle [14.2K]

The answer is: " 1024π units² " ; or; " 3215.36 units² " .
______________________________________________________
A = π * r² ;

A = π * 32² = 1024 π units² ;

or, using "3.14" for "π" ;

1024 * π = 1024 * (3.14) = 3215.36 units² .
_______________________________________________

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3 years ago

plzzzz help! Determine the truth value of the statement. If three sides of one triangle are equal to three sides of another tria

Tamiku [17]

True that would make it congruent

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3 years ago

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7th grade math.<br> Solve.<br><br> 9.4 = - t/3.5<br><br> t =

Naya [18.7K]

Answer:

t = - 32.9

Step-by-step explanation:

Step 1:

9.4 = - t ÷ 3.5 Equation

Step 2:

9.4 × 3.5 = - t Isolate the variable

Step 3:

32.9 = - t Multiply

Answer:

t = - 32.9

Hope This Helps :)

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3 years ago