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3 years ago

Between which two square roots of integers could you find 2.7182818284

1 answer:

8 0

That's the beginning of Euler's number ' e '.
It falls between the square roots of 7 and 8 .

Hey ! You know what !
It falls between the square roots of any integer
less than 8 and any integer greater than 7 .

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A equação quadrática é escrita na forma a.X² + b.X + c = 0. Na equação quadrática seguinte 9.X² - 2.X + 6 = 0 , a soma dos valor

-Dominant- [34]

Answer:

a+b+c =13

Step-by-step explanation:

$\left\begin{array}{ccccccc}aX^2&+&bX&+&c&=&0\\ \downarrow&&\downarrow&&\downarrow&&\downarrow\\9.X^2&-&2.X &+& 6 &=& 0\end{array}\right \implies \left\{\begin{array}{ccccccc}a=9\\b=-2\\c=6\end{array}\right$

$\implies a+b+c = 9+(-2)+6\\=9-2+6\\=7+6\\=13\\\\\therefore a+b+c =13$

8 0

3 years ago

An escalator lifts people to the second floor of a building, 30 above the first floor. The escalator rises at a 30 angle. To th

hjlf

Answer:

$d=60ft$

Step-by-step explanation:

From the question we are told that:

Height $h= 30ft$

Angle $\theta=30 \textdegree$

Generally the equation for Distance traveled is mathematically given by

Since

Distance traveled forms the hypotenuse of a right angle triangle

Therefore

$d=\frac{h}{sin30}$

$d=\frac{30}{sin30}$

$d=60ft$

8 0

2 years ago

Consider the set A with n(A) = 20. How many subsets could be formed from this set?

Pavel [41]

Answer:

There are $2^{20}$ subsets of $A$

Step-by-step explanation:

Using the formula for the number of subsets of a given (finite) set, the number of subsets of $A$ is

$2^{n(A)}=2^{20}$

4 0

3 years ago

HELP ME PLEASE!!!<br><br> I don't understand...<br> If possible, please explain!

ANTONII [103]

Answer:

saa.

Step-by-step explanation:

if you look at where the triangles connect, you will see they share an angle. that makes those two congruent. then yousee the SAA thrm. you go side (the line through one side) then the angle (the one that the two triangles share) then angle (the two marked congruent angles)

3 0

3 years ago

Read 2 more answers

What is the equation

MAVERICK [17]

9514 1404 393

Answer:

y = -3x -1

Step-by-step explanation:

We can write the equation in slope-intercept form if we know the slope and the y-intercept.

The slope is ...

m = "rise"/"run" = (change in y)/(change in x)

We can see that the line passes through grid intersections at (x, y) = (0, -1) and at (1, -4). Between these two points, the change in y is (-4 -(-1)) = -3, and the change in x is (1 -0) = 1. Then the slope is ...

m = -3/1 = -3

One of the points we just used is the point where the line crosses the y-axis, at the y-intercept of -1. So, with slope -3 and y-intercept -1, the equation of the line is ...

y = mx +b . . . . . . slope m and y-intercept b

y = -3x -1

4 0

3 years ago