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alukav5142 [94]
3 years ago
15

Ramiro brought home ten pounds of rice to add to the 24 ounces of rice he had in the pantry. Let x represent the amount of rice

Ramiro uses over the next few days. Write an algebraic expression to describe the amount of rice remaining in Ramiro's pantry
Mathematics
2 answers:
zavuch27 [327]3 years ago
6 0

Answer:

The equation is : 11.5-x

Step-by-step explanation:

Ramiro brought home ten pounds of rice to add to the 24 ounces of rice he had in the pantry.

First we will convert the ounces to pounds to get total rice in pounds.

1 ounce = 0.0625 pounds

So, 24 ounces = 24\times0.0625=1.5 pounds

Total rice in pounds = 10+1.5=11.5 pounds.

Let x represent the amount of rice Ramiro uses over the next few days.

Therefore, the expression to describe the amount of rice remaining in Ramiro's pantry is = 11.5-x

Amount of rice as a function of amount used, x, in pounds:

r(x)= 11.5- x

Constraints can be defined as:

0 \leq x \leq 11.5

lianna [129]3 years ago
3 0
16 ounces in a pound.
24 oz= 1.5 ibs.
Added to 10 ibs.
Now has 11.5 ibs.

R(x)= 11.5 - x
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Rudiy27
Perimeter is the sum of all the sides. So we can set up an equation:

\sf 3x+1+3x+1+3x+1+3x+1=2x+8+x+8+4x+2

Now solve for 'x', combine like terms:

When it comes to terms with variables it's just like normal addition but we keep the variable:

\sf 3x+3x+3x+3x=12x
\sf 2x+x+4x=7x

So we have:

\sf 12x+1+1+1+1=7x+8+8+2

Add:

\sf 12x+4=7x+18

Subtract 7x to both sides:

\sf 5x+4=18

Subtract 4 to both sides:

\sf 5x=14

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8 0
3 years ago
Suppose that in a certain county 37% of voters are registered as Democrats, 29% as Republicans, 7% as Green party, and the rest
Fantom [35]

Answer:

0.66

Step-by-step explanation:

GIVEN: Suppose that in a certain county 37\% of voters are registered as Democrats, 29\% as Republicans, 7\% as Green party, and the rest are considered Independents. You conduct a poll by calling registered voters in the county at random.

TO FIND: Probability that the first call will be to either a Democrat or a Republican.

SOLUTION:

Lets total population of county be 100x.

voters registered as Democrats =37\%=\frac{37}{100}\times100x

                                                     =37x

voters registered as Republicans =29\%=\frac{29}{100}\times100x

                                                       =29x

voters registered as Green party =7\%=\frac{7}{100}\times100x

                                                       =7x

Probability that first call will be to Democrats P(A)=\frac{\text{total democrats}}{\text{total voters}}

                                                                                    =\frac{37x}{100x}=0.37

Probability that first call will be to Republican P(B)=\frac{\text{total republicans}}{\text{total voters}}

                                                                                     =\frac{29x}{100x}=0.29

probability that the first call will be to either a Democrat or a Republican

=P(A)+P(B)

=0.37+0.29

=0.66

Hence the probability that the first call will be to either a Democrat or a Republican is 0.66

6 0
3 years ago
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Answer:

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Step-by-step explanation:

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Simplify 64+7 to 71

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Answer:

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Step-by-step explanation:

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8 0
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