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3 years ago

How many years are in 2/5 of a decade? Please answer soon this is due tomoroow

Mathematics

2 answers:

Arte-miy333 [17]3 years ago

6 0

A decade is 10 years which means 1/5 is 2 years. thus making 2/5 4 years.

Vlad [161]3 years ago

6 0

Answer:

Step-by-step explanation:

Multiply the value by two

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What is the first step to take when solving this linear system of equations by the addition-subtraction method? 2x + 4y = 3 x +

Free_Kalibri [48]

The right answer is Option D.

Step-by-step explanation:

Given equations are;

2x+4y=3 Eqn 1

x+3y=13 Eqn 2

When we use subtraction-addition method, we make one of the variables same with opposite signs so that only one variable remains after addition or subtraction.

In the given problem, we will multiply Eqn 2 with "-2" so that the x variables become equal and then we can add both the equations and solve for y.

Therefore,

The first step will be to multiply the second equation by -2 to solve the linear system of equations.

The right answer is Option D.

Keywords: linear equations, subtraction

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3 years ago

is searching online for airline tickets. Two weeks ago, the cost to fly from to was 210 $. Now the cost is 305$. What is the

harkovskaia [24]

Answer:

Step-by-step explanation:

20]x]

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3 years ago

What number must i add to complete the square x^2+8x=-3

Sonja [21]

Answer:

Step-by-step explanation:

(b/2)^2

(8/2)^2 = (4)^2 = 16

(x^2+8x+16) = -3+16

(x+4)^2 = 13

so on so forth, but basically you add 16 which completes the square

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2 years ago

A dozen eggs cost $1.32 at the grocery store how much profit would a restaurant make if they sold 1 scrambled egg for 99 cents

PIT_PIT [208]

They would make $11.77 :)

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3 years ago

A train leaves boston and travels toward its destination at a speed of 60 mph. One hour later, an express train leaves Boston an

Margarita [4]

Taking into account the supplied speeds, Boston is from the destination to:

240 miles

<h3>Calculation of the distance between Boston and Place of Destination</h3>

To identify the distance between Boston and the destination of the trains, it must be remembered that the <u>speed</u> mentioned for each one is a reference to the distance traveled per hour, therefore, after each hour, each train will travel :

Regular train: 60 miles
Express train: 80 miles

According to the information given, when the express train leaves, the regular train has a 60-mile lead, which is getting shorter hour by hour because the express train travels 20 miles per hour more than the normal train.

Therefore, in <u>three hours</u>, the express train would catch up with the regular train, calculating the distance thanks to the speed formula:

$Speed =\frac{Distance}{Time}$

And clearing the distance:

$Distance=Speed*Time$

$Distance=80\frac{miles}{hour}*3hours$

$Distance=240miles$

Therefore, the destination would be <u>240 miles</u> from Boston, which would take four hours by regular train and three hours by express train.

If you want to learn more about Mathematics, you can visit the following link: brainly.com/question/24600056

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2 years ago