Please helpp a. what's the domain and range of c

How many different triangles can be constructed using angle measurements 81 52 and 47? I need the answer really fast and like ri

solniwko [45]

The options are:
A) exactly one triangle;
B) no triangles;
C) more than one triangle.

First thing, let's see if these angles can make a triangle:
(81 + 52 + 47) = 180

We know that the sum of the inner angles of a triangle must equal 180°, therefore yes, they can be angles of a triangle.

With only the measure of the angles and nothing about the sides, we can construct as many triangles as we want: try, indeed, to construct a triangle with given angles bus sides of your choice; then, double the sides. You will get a triangle that is twice the size, but the angles remained the same.

Hence, the correct answer is C) more than one triangle.

7 0

3 years ago

Help me please:’)

Lelechka [254]

Using the condition given to build an inequality, it is found that the maximum number of junior high school student he can still recruit is of 17.

<h3>Inequality:</h3>

Considering s the number of senior students and j the number of junior students, and that he cannot recruit more than 50 people, the inequality that models the number of students he can still recruit is:

$s + j \leq 50$

In this problem:

Already recruited 28 senior high students, hence $s = 28$ .

Already recruited 5 junior high students, want to recruit more, hence $j = j + 5$ .

Then:

$28 + j + 5 \leq 50$

$33 + j \leq 50$

$j \leq 17$

The maximum number of junior high school student he can still recruit is of 17.

You can learn more about inequalities at brainly.com/question/25953350

5 0

2 years ago

You are asked to build an open cylindrical can (i.e. no top) that will hold 364.5 cubic inches. To do this, you will cut its bot

Vilka [71]

Generate a function for the height of the cyliner as a function of radius. Use this function to generate a function of r for the material used. Take the derivative of that function, set it to zero, and solve for r.

V=πr2hh=d h=d=2r h=2r V=πr22r

V(r,h)=180.5=πr2h⟹h=180.5/πr2⟹A(r)=r(r+h)=r2+180.5/πr

A(r)=2r(2r+h)=4r2+361/πr

A′(r)=8r−361/πr2

3 0

3 years ago

Leo runs the 100-meter dash in 19.305 seconds. Explain and show how you can write an expression in expanded form for the decimal

Ugo [173]

An expression in expanded form for the decimal that shows more than 0 hundredths is 19.31

<h3>How to write an expression in expanded form for the decimal that shows more than 0 hundredths.</h3>

The time is given as:

Time = 19.305

The hundredth in the above number is 0

So, to write an expression in expanded form for the decimal that shows more than 0 hundredths;

We simply approximate 19.305

So, we have:

Time = 19.31

Hence, an expression in expanded form for the decimal that shows more than 0 hundredths is 19.31