All categories

3 years ago

A train travels at a speed of 90 miles per hour.how far will it have traveled in 3 hours?

Mathematics

2 answers:

yKpoI14uk [10]3 years ago

8 0

Answer:

the first question would be 270 because 90 x 3 is 270 The second question would be 38

svp [43]3 years ago

5 0

Answer:

190 ml is the answer for question

You might be interested in

1. For the functions:

Maslowich

Answer:

Step-by-step explanation:

5 0

4 years ago

How would the domain and range of the function y = one-fourth x minus 6 be determined? Explain.

Liono4ka [1.6K]

Answer:

Domain = ( -∞ , ∞ )

Range = ( ∞ , ∞ )

Step-by-step explanation:

A function is given to us and we need to find the domain and range of the given function .

The function :-

$\rm \implies y = \dfrac{1}{4}x - 6$

Definitions :-

Range :- The range is the set of all valid y values .
Domain :- All real numbers except where the expression is undefined.

In this case, there is no real number that makes the expression undefined. Therefore the domain will be :-

Domain :-

$\rm Domain = ( -\infty , \infty )$

$\rm Domain = \{ x | x \in \mathbb{R} \}$

Range :-

$\rm Range = ( -\infty , \infty )$

$\rm Range = \{ y | y \in \mathbb{R}\}$

4 0

3 years ago

A sail in the form of a right triangle the angle at its lower edge is 55 what is the size of the angle formed at the top of the

Mars2501 [29]

Answer:

The size of the angle formed at the top of the sail is 35.

Step-by-step explanation:

We know that the sum of all angles inside a triangle must be 180. This is a rule.

So we know that a right triangle is called like that because one angle is a 90-degree angle.

Then we have that:

180 = right angle + lower edge angle + angle top of the sail

180 = 90 + 55 + angle top of the sail

Solving for 'angle top of the sail' we have:

angle top of the sail = 180 - 90 - 55 = 35

The size of the angle formed at the top of the sail is 35.

5 0

3 years ago

Solve the inequality. 2x-5<9 The solution is:

natali 33 [55]

Answer:

x < 7

Step-by-step explanation:

Given

2x - 5 < 9 ( add 5 to both sides )

2x < 14 ( divide both sides by 2 )

x < 7

8 0

3 years ago

If x is an integer, then is -x positive?

Andrei [34K]

Answer:

If x is an integer, then for values of x ≤ 0 would -x be positive.

General Formulas and Concepts:

Math

Integers

Step-by-step explanation:

We know that integers comprise of the number line from -∞ to ∞. We can have numbers like -3, -2, -1, 0, 1, 2 ,3.

If we say that x is an integer, and that -x must be positive, then that means the integer x must be negative, because a negative times a negative is a positive.

∴ x can only be negative integers, thus giving us x ≤ 0.

3 0

3 years ago