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3 years ago

What is the difference between an irrational number and an integer? (PLZ HELP ME ANSWER ASAP!!!! All help is appreciated! :D)

1 answer:

8 0

So, first off it would help if you could define the terms irrational number and integer. Well, an irrational number is basically any real number that can't be expressed as a ratio of integers. They also cannot be represented by terminating or continuing decimals. And an integer is pretty much any number that cannot be written as a fraction or decimal, such as -2, 13, 257. It is not 2 and 1/2, or 4.75. Those would not be integers. Do you think you can figure out the difference?

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Question 2

lina2011 [118]

Answer:

The firefighter should extend the ladder at 54° of elevation.

Step-by-step explanation:

Trigonometric Ratios

The ratios of the sides of a right triangle are called trigonometric ratios. There are six trigonometric ratios, sine, cosine, tangent, cosecant, secant, and cotangent.

The longest side of the triangle is called the hypotenuse and the other two sides are the legs.

Selecting any of the acute angles as a reference, it has an adjacent side and an opposite side. The trigonometric ratios are defined upon those sides.

Tangent Ratio:

$\displaystyle \tan\theta=\frac{\text{opposite leg}}{\text{adjacent leg}}$

The woman is trapped at 91 feet up from the ground, and the firetruck is 67 feet away from the building.

The wall, the ground, and the ladder form a right triangle, where θ is the horizontal angle of the ladder.

Being the height of the woman the opposite leg and the distance where the firetruck is parked, the adjacent leg:

$\displaystyle \tan\theta=\frac{91}{67}=1.3582$

The angle is calculated as the inverse tangent:

$\theta=arctan(1.3582)\approx 54^\circ$

The firefighter should extend the ladder at 54° of elevation.

4 0

3 years ago

How many different triangles can you make if you are given the measurements for two Angles and the length of a side that is not

nordsb [41]

Answer:

c. 2

Step-by-step explanation:

Defining two angles of a triangle means you know the values of all of the angles. When all angles are known and the side opposite one of them is known, then the triangle is completely determined.

In this case, the angle opposite the given side can be either of the two given angles, so two triangles are possible.

If the two angles have the same measure, then only one triangle is possible.

6 0

3 years ago

How can you solve an equation without using the distributive property

belka [17]

You could use a calculator.. or if it is already in distributive property then just add it up

6 0

3 years ago

Rewrite 5x(12+7) using distributive property

ivolga24 [154]

Here is the Distributive Property made simple.

When you have a number outside a number or numbers inside parentheses, you multiply whatever is inside the parentheses by the number outside the parentheses.

3( 7 + 5 +4) becomes 3 x7 + 3x5 +3 x 4

0r 21 +15 +12

You multiplied each of the numbers by the 3

If there is a variable, that is distributed also

3y(4 + 6) becomes 12 y +18y

5 0

3 years ago

A bank converts US dollars to European Euros at a rate of $1.00 to 0.88

Naya [18.7K]

Answer:

$88

Step-by-step explanation:

100 euros, if multiplied by .88, will equal $88, which equals the USD.

7 0

3 years ago

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