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2 years ago

What is the answer to this questions it is worth 20 points

Mathematics

1 answer:

irinina [24]2 years ago

3 0

<h2><u>Answer</u> : </h2>

By observing the table we can conclude that for the number of years to travel back double the electricity is required .

i.e. for 5 years = 10 megawatts

therefore, the relationship between x and y can be depicted by the following equation :

$\boxed{ \boxed{y = 2x}}$

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1. Find the area of the region bounded above by y = e^x, bounded below by y = x, and bounded on the sides

salantis [7]

The area of the region bounded above by y= eˣ bounded by y = x, and bounded on the sides; x =0; and x = 1 is given as e¹ - 1.5.

<h3>What is the significance of "Area under the curve"?</h3>

This is the condition in which one process increases a quantity at a certain rate and another process decreases the same quantity at the same rate, and the "area" (actually the integral of the difference between those two rates integrated over a given period of time) is the accumulated effect of those two processes.

<h3>What is the justification for the above answer?</h3>

Area = $\int\limits^1_0 {(e^x-x)} \, dx$

= $\int\limits^1_0 {e^x-x} \, dx - \int\limits^1_0 {(x)} \, dx$

= e¹-(1/2-0); or

Area = e -1.5 Squared Unit

The related Graph is attached accordingly.

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1 year ago

If h(x) = 5x -7,find the h(14)

Mrac [35]

B. That is the correct answer because h(14) = 63 when you divide it by 3

4 0

3 years ago

Malia measures the longer side of a dollar bill using a ruler at school. Which of the following is most likely the quantity she

sergey [27]

Answer:

6.14 inches

Step-by-step explanation:

The one side of the dollar bill is 6.14 inch. The 6.14 inches of the dollar approximates the 156.1 mm. When Malia measures the longer side of a dollar bill from her rule it will be approximately 6.14 inches in length. The ruler normally has inches and cm sides. Very few rulers have mm scales. The most probable scale that malia would have measure is in inches.

5 0

2 years ago

Sara is collecting signatures to pu on her towns ballot. So far, she has 432 signatures. This is 36% of the number of signatures

In-s [12.5K]

Sara needs to collect 1200 signatures.

Step-by-step explanation:

Let,

x be the total number of signatures she needs to collect

Given percentage = 36%

Signature collected = 432

According of statement;

36% of x = 432

$\frac{36}{100}*x=432\\$

$\frac{36x}{100}=432\\Multiplying\ both\ sides\ by 100\\100*\frac{36x}{100}=432*100\\36x=43200\\Dividing\ both\ sides\ by\ 36\\\frac{36x}{36}=\frac{43200}{36}\\x=1200$

Sara needs to collect 1200 signatures.

Keywords: Percentage, Division

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2 years ago

(5x - 1, if x < -2<br> Evaluate f(x) =<br> Lx+ 3, if x > -2<br> when z = 3.

Brilliant_brown [7]

Answer:

(5x - 1, if x < -2

Evaluate f(x) =

Lx+ 3, if x > -2

when z = 3.

Step-by-step explanation:

5 0

2 years ago