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2 years ago

A mountain climber ascended

Mathematics

1 answer:

crimeas [40]2 years ago

5 0

Coool veryyy coool omg wow

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4.3<br> Rounding to the nearest whole number

Roman55 [17]

1.7=2
8.1=8
6.9=7
4.3=4
Hope this helps

7 0

2 years ago

Read 2 more answers

Hurry pleaseeee taking a test Which expression is equivalent to 30°? Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2

nika2105 [10]

Answer:

Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)

Step-by-step explanation:

According to trigonometry identity;

Cos 30° = √3/2

To get the expression equivalent to 30°, we will take the inverse of both sides as shown;

Cos^-1(cos 30°) = cos^-1(√3/2)

The arccos will cancel out the cos on the left hand side of the equation to have;

30° = cos^-1(√3/2)

Hence 30° is equivalent to inverse of cosine of √3/2 or Inverse of cosine (StartFraction StartRoot 3 EndRoot Over 2 EndFraction)

8 0

2 years ago

Read 2 more answers

On a test that has a normal distribution, a score of 49 falls two standard deviations below the mean, and a score of 61 falls on

Zolol [24]

The mean of this test will be 57.

<h3>What is Standard Deviation and Mean?</h3>

A standard deviation (or σ) is a measure of how dispersed the data is in relation to the mean.

The mean can be used to get an overall idea, or picture, of the data set.

Let Mean be 'm'

and standard deviation= $\sigma$

So, m-2 $\sigma$ =49

and, m + $\sigma$ =61

Solving the above two equation we get

$\sigma =4$

Now, m= 61- $\sigma$

= 61-4

= 57

So , the mean of this test will be =57

Learn more about mean and standard deviation here:

brainly.com/question/16030790

#SPJ1

6 0

2 years ago

Can someone help me with this asap (algerbra)

nalin [4]

<u>PEMDAS</u>

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS. PEMDAS is the order of operations, and stands for:

Parenthesis, Exponents (& Roots), Multiplication, Division, Addition, Subtraction.

First, divide 3 from both sides of the equation:

$\frac{(3x^2)}{3} = \frac{(48)}{3}$

$x^{2} = \frac{48}{3}\\ \\x^2 = 16$

Next, isolate the variable, x, by rooting both sides of the equation:

$\sqrt{x^{2} } = \sqrt{16}\\ x = \sqrt{16} = \sqrt{4 * 4}$

x = ±4

C) ±4 is your answer.

5 0

2 years ago

PLEASE HELP WILL GIVE BRAINEST

Karo-lina-s [1.5K]

Answer:

Even

Step-by-step explanation:

If you switch every x in the function for a -x it is still the same result for every value of x you plot. Plus you have an image symmetry for ever function to an even power and for cosine function as well.

8 0

3 years ago