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3 years ago

Calculate the mean for 31 29 33 37 43 38 33 40

Mathematics

2 answers:

Natasha2012 [34]3 years ago

4 0

Answer:

The mode is 3 in the left and 3 in the right

Step-by-step explanation:

faust18 [17]3 years ago

3 0

Answer:

35.5

Step-by-step explanation:

You have to find the sum of all the numbers, 284, then divide it by 8 which gets you to 35.5.

Hope this helps! :)

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Marianne draws a triangle with the dimensions shown, then she draws a second triangle in which the dimensions are divided by 2.

Dafna11 [192]

Answer:

1/4

Step-by-step explanation:

The equation for the area of a triangle: A = 1/2bh

If all of the dimensions are halved then A = 1/2(1/2*b)(1/2*h) = 1/8bh

1/8bh is 1/4 of 1/2bh.

8 0

3 years ago

Read 2 more answers

Find the length of ST In the kite.

kifflom [539]

Answer:

1.29

Step-by-step explanation:

The diagonals of a kite are perpendicular.

Angles QRT and SRT are congruent.

In right triangle STR, for angle TRS, ST is the opposite leg, and SR is the hypotenuse. The sine ratio relates the opposite leg to the hypotenuse, so we use the sine ratio to find the length of segment ST.

sin <TRS = opp/hyp

sin <TRS = ST/SR

sin 23 deg = ST/3.3

ST = 3.3 * sin 23 deg

ST = 1.29

5 0

3 years ago

Write 1/3 as a power with an integer base

Viefleur [7K]

Answer:

$3^{-1}$

Step-by-step explanation:

Using the rule of exponents

$\frac{1}{a^{n} }$ ⇔ $a^{-n}$

Given

$\frac{1}{3}$ = $\frac{1}{3^{1} }$ = $3^{-1}$

7 0

3 years ago

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Suppose Casey Title Company normally charges $300 for services related to selling a house. As part of a summer special, Casey of

g100num [7]

Given :

Casey's company charges , C = $300.

In summer special, Casey offers customers a trade discount of 25%.

To Find :

Charges during summer.

Solution :

Let, x is the amount of charges they take during summer.

Casey offers customers a trade discount of 25%.

$x =300(1-\dfrac{25}{100})\\\\x=300(1 - 0.25)\\\\x=300(0.75)\\\\x=\$225$

Therefore, amount of charges during summers are $225.

Hence, this is the required solution.

8 0

3 years ago

The sum of a number and 4.7 is 8.1.

Sloan [31]

<em>Greetings from Brasil...</em>

Be that unknown number X

Then we can write the following expression:

X + 4.7 = 8.1

5 0

3 years ago