1. FIND THE MEAN OF 8, 15, 10, 22, 16, 4

2. THE MEAN OF 42, X, 26, 58, 38 IS 40. FIND X

3. THE MASSES OF FIVE BAGS ARE 38.6KG, 40.5KG, 46.8KG, 30.7KG, 44.4KG. CALCULATE THE MEDIAN MASS.

4. FIND THE MODE OF THESE NUMBERS 10, 8, 13, 16, 14, 9, 5, 18, 13, 8

5. CALCULATE THE RANGE OF THE FOLLOWING SETS OF DATA. 10, 11, 13, 14, 17, 19, 15, 12, 12, 15.

Answer:D

Step-by-step explanation:

Found on another page

Answer:

D

Step-by-step explanation:

Answer:

Take a look at explanation below;

Step-by-step explanation:

See attachment( s ) below;

The value of x and y angles on the given lines are x=35 degrees and y=125 degrees.

A line is a collection of points which joins the two points on the surface.

If we consider the angles which are linear pair, we found that

55 +y=180 because they are on a straight line.

From the figure wee found that x+55+90=180 because they are on a straight line.

solving the second equation we will get , x=180-145=35

solving the first equation we will get , y=180-55=125.

Hence the value of x angle is 35 degrees and the value of y angle is 125 degrees.

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Answer:

A

Step-by-step explanation:

You have to times all of them to see the results. For example...

A. 48inches(6x8), 50inches(5x10), 48inches(12x4)

B. 42,50,48(42 is not within 45-50 inches so it can't be B)

C.48,40,48(40 is not within 45-50 inches so it can't be C)

D.42,48,50,48(42 is not within 45-50 inches so it can't be D)

meaning it's A

Answer: 8.3

Step-by-step explanation:

To find the variance, you want to find the mean of the data.

[tex]\frac{3+3+8+1+9+6}{6} =5[/tex]

Now that we have the mean, we find the difference between each data point and the mean.

3-5=-2

3-5=-2

8-5=3

1-5=-4

9-5=4

6-5=1

With the difference, you square each and find the average.

(-2)²=4

(-2)²=4

3²=9

(-4)²=16

4²=16

1²=1

[tex]\frac{4+4+9+16+16+1}{6} =\frac{25}{3}[/tex]

The variance is 8.3.

Answer:

x > 1  and x< 7 , or it can be written as

(1 , 7)

Step-by-step explanation:

IX-4| < 3

x - 4 < 3            and  - (x - 4) < 3

x< 7                         - x + 4 < 3

                                      - x < - 1

                                        x > 1

x > 1  and x< 7

(1 , 7)

Answer:

triangle

Step-by-step explanation:

it's 5. Five... just five

Answer:

i got 3.5....................

Answer: C.

Step-by-step explanation:

Answer:

The correct answer, I’m pretty sure, is c?

Lol, I hope I helped!!

Answer:6

Step-by-step explanation:

Answer: 31%

Step-by-step explanation: We can change a decimal to a percent by moving the decimal point two places to the right.

So in this problem, to change 0.31 to a percent, we

move the decimal point two places to the right.

So we have 31%.

So 0.31 can be written as 31%.

This should make sense because 0.31 can be read

as 31 hundredths or 31 over 100 which is 31%

Answer:

31%

Step-by-step explanation:

To change 0.31 into a percent, you must move the decimal to the right two times.

When we move the decimal in 0.31, it will look like this:

03.1

Now, if we move the decimal again, it will look like this but will be equivalent to 31%:

031. = 31%

Another step-by-step explanation:

You can also write 0.31 as a fraction which is:

31/100 = 31%

It will still be equal to 31%.

Therefore, 0.31 as a percent is equal to 31%.

        Hope this helps!

      ~Hocus Pocus

Answer: It took 65 hours for her to drive

Step-by-step explanation:

Answer:

C.

Step-by-step explanation:

So just make the statement easier to read.

Simplify it down to 8 > 2 * 5

The students that had grade 8 was more than twice the number of students who got 5.

Answer:

Step-by-step explanation:

the > is pointing at the 8 which means the 8 is bigger

Answer:

Step-by-step explanation:

PART 1:

Possible roots by noticing the coefficient of first term:

x = 1, -1

PART 2:

1 | 1  -1  -4   4

       1   0  -4

   1   0  -4  0

The remainder is zero, hence one factor is (x-1)

PART 3:

[tex]x^3-x^2-4x+4=(x^2-4)(x-1)\\\\x^3-x^2-4x+4=(x+2)(x-2)(x-1)[/tex]

PART 4:

[tex]f(x)=(x+2)(x-2)(x-1)\\\\=(x^2-4)(x-1)\\\\=x^3-4x-x^2+4\\\\=x^3-x^2-4x+4[/tex]

Answer: A is the correct answer .

Start with the last two choices .

You have x+ 5 and × - 5 in the square root .

A square root can never be negative .

That means that the lowest value of y can have in the last two choices is 0 .

Now range doesn't include -4.

Now look at choice B .

sqrt (x) is at least 0.

Then you add 5 .

The range doesn't include -4.

Now look at choice A .

sqrt (x) is at lest 0 .

Now ,you subract 5 .

The lowest value y can have is -5 . That includes -4.

Choice A is the answer .

y will be at least 5

Hope it works out !

Answer: Option 1 or A on your test

Step-by-step explanation: y= root of x-5

Answer:

54π

Step-by-step explanation:

that's the answer ok

Answer:

2728.11m

Step-by-step explanation:

The height of the plane is 1020m

The airport makes an angle of elevation of 20.50° with the plane

The distance of the plane from the airport = ?

See attached document for better illustration of the position of the plane and airport

Using SOHCAHTOA,

tanΘ = opposite/ adjacent

θ = 20.50°

opposite = 1020m

adjacent = ? = x

Tanθ = opposite/ adjacent

Tan20.50 = 1020 / x

X = 1020 / tan20.50

X = 1020 / 0.37388

X = 2728.11m

The distance of the plane from the airport is 2728.11m

Answer: A) Alternate Exterior

Step-by-step explanation:

Let's find out the defenition of alternate exterior; "If a pair of parallel lines are cut by a transversal line, then the alternate exterior angles are congruent".

I hope this helps!

Answer:

True

Step-by-step explanation:

Just remeber C then D Like a CD, because a cd is a circle XD hope I help

Answer:

f(x)=45x+25

Step-by-step explanation:

The common difference in the arithmetic sequence is 2.5

Arithmetic sequence is a sequence in which the differences between consecutive terms are always same.

Example : 2, 5, 8, 11, ..... is an arithmetic sequence where the common difference is 3.

Formula of arithmetic sequence is [tex]a_{n} =a_{1}+(n-1)d[/tex] ,

where [tex]a_{n}[/tex]= [tex]n^{th}[/tex] term in the sequence,

[tex]a_{1}[/tex]= [tex]1^{st}[/tex] term in the sequence,

d = common difference between terms

Given, [tex]a_{1}[/tex] = 16 and [tex]a_{9}[/tex] = 36

Let, d be the common difference.

∴ From the formula of arithmetic sequence,

   [tex]a_{9} =a_{1}+(9-1)d[/tex]

⇒ 36 = 16+8d

⇒ 36-16=8d

⇒ 20=8d

⇒ d = 20/8

⇒ d = 5/2 = 2.5

Hence, The common difference is 2.5

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Answer:

[tex]x = \frac{9}{2}[/tex]

Step-by-step explanation:

x - 2 (x - [tex]\frac{3x}{2}[/tex]) = 2 (4 - x) + 10

x − 2 × [tex]\frac{-x}{2}[/tex] =2(4−x)+10

x−(−x)=2(4−x)+10

x+x=2(4−x)+10

2x=2(4−x)+10

2x=8−2x+10

2x=−2x+18

2x+2x=18

4x=18

[tex]x = \frac{18}{4}[/tex]

[tex]x = \frac{9}{2}[/tex]

Answer:

1/12

Step-by-step explanation:

1/6 for the number cube

and 1/2 for the coin landing on heads

1/6 times 1/2

Answer:

The coordinates would be (3,4)

Step-by-step explanation:

Answer:

251.6

Step-by-step explanation:

triangle= 1/2bh

1/2(8)14 times 4

224

1/2(6.9)8

27.6

now you add them

224+27.6= 251.6

Answer:

251.6

Step-by-step explanation:

Answer:

I need more information

Step-by-step explanation:

Answer:

z = 4°

Solution:

Given EFGH is an isosceles trapezoid.

By the property of isosceles trapezoid, non-parallel sides are congruent.

⇒ GH = EF

Angles opposite to equal sides are congruent.

∠H ≅ ∠G

m∠H = m∠G

105° = 3z + 93°

Subtract 93° from both sides, we get

12° = 3z

Divide by 3 on both sides, we get

4° = z

Switch the sides.

z = 4°

Hence the value of x is 4°.

Answer:

B. 33.6 cm

Step-by-step explanation:

To find determine the length of an arc that subtends an angle of 2.8 radians at the centre of a circle with radius 12 cm, we will follow the steps below;

First write down the formula for calculating length of an arc

If the angle is measured in degree, then the formula for calculating the length of an arc is :

length of an arc = Ф/360  ×  2πr

but if the angle is measured in radians, then the formula for calculating length of an arc will be:

length of an arc = r Ф

where r is the radius    and Ф is the central angle in radians

In the case of the question given to us, the angle is given in radians, so we will use the second formula

angle Ф = 2.8

radius = 12 cm

length of an arc = r Ф

                           =12 × 2.8

                           =33.6

Length of the arc = 33.6 cm

Answer:

x = 1 + sqrt 2

Step-by-step explanation

Answer:

c

Step-by-step explanation:

Answer: Skew line

Step-by-step explanation:

Because it’s 3 dimensional

Answer:

A

Step-by-step explanation: