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3 years ago

There are 110 calories per 177.4 grams of cereal X. Find how many calories are in 284.5 grams of this cereal.

Mathematics

1 answer:

Firlakuza [10]3 years ago

7 0

Answer:

176 calories in 284.5 grams of cereal X

Step-by-step explanation:

110/177.4=.62

.62(284.5)=176.4

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The area of a rectangular painting is 13.02 square feet. The width is 4.2 feet. What is the length?

Kay [80]

Answer:

3.1

Step-by-step explanation:

Since this is area and you are given the width must divide area by width ( A/W = L) 13.02 divided by 4.2 = 3.1. You can check this by doing 3.1 multiplied by 4.2. It should give you 13.02

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Which number produces a rational number when multiplied by 0.25

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Is there any options for this question ?

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3 years ago

3. What amount of money is necessary to be invested at 5% simple interest to yield $320 in interest after 4 years?

Simora [160]

Answer:

$Amount = \$1920$

Step-by-step explanation:

Given

$Interest =\$320$

$Rate = 5\%$

$Years = 4$

Required

Determine the invested amount

First, we need to determine the Principal

This is calculated as:

$Interest = Principal * Rate * Time$

Solve for Principal

$Principal = \frac{Interest}{Rate * Time}$

$Principal = \frac{\$320}{0.05 * 4}$

$Principal = \frac{\$320}{0.2}$

$Principal = \$1600$

Add the principal to the interest

$Amount = Principal + Interest$

$Amount = \$1600 + \$320$

$Amount = \$1920$

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3 years ago

Your car gets 25 miles to the gallon, and gas prices are $3 per gallon. How much gas money will you spend on gas each week?

saul85 [17]

Answer:

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Step-by-step explanation:

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4 years ago

Help, ill mark brainliest

ASHA 777 [7]

Answer: FIRST OPTION.

Step-by-step explanation:

First, it is important to remember that the Slope-Intercept form of the equation of a line is the shown below:

$y=mx+b$

Where "m" is the slope of the line and "b" is the y-intercept.

By definiton, given a System of Linear equations, if they are exactly the same line, then the System of equations have Infinely many solutions.

In this case you have the following System of Linear equations given in the exercise:

$\left \{ {{y=-2x+5} \atop {y=ax+b}} \right.$

So, since you need the system has Infinite solutions, you know that the slope and the y-intercept of both lines must be equal.

Therefore, you can identify that the value of "a" and "b" must be the following:

$a=-2\\\\b=5$

So the Linear System would be the shown below:

$\left \{ {{y=-2x+5} \atop {y=-2x+5}} \right.$

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3 years ago