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aleksklad [387]
3 years ago
11

Instructions: Use the ratio of a 30-60-90 triangle to solve for the variables. Leave your answers as radicals in simplest form.

Mathematics
2 answers:
pshichka [43]3 years ago
5 0

Answer:

See below for answers and explanations

Step-by-step explanation:

1) y=9, therefore x=2y=2(9)=18

2) y=32/2=16, therefore x=y√3=16√3

RoseWind [281]3 years ago
4 0

Answer:

1) Let y,9√3,x in ratio of 1:2:3

Thereforr,let constant value be a

y=a

9√3=2a

x=3a

a=9√3/2

a=4.5√3

Therefore ,y =4.5√3

And x=13.5√3

2)

Let y,x,32 be in ratio of 1,2,3

Therefore,let constant value be B

Therefore ,3B=32

B=10.6

Therefore,

y=10.6

x=21.2

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Estimate the square root of the following imperfect square:
lisov135 [29]

This problem is just try and error.

First we try number 2.5 since its the average of all the answers.

2.5^2=6.25

This is smaller than 7 so the answer is either 2.6 or 2.8

Now let's try 2.7

2.7^2=7.29

Which is bigger than 7 and that means the correct answer is 2.6 :)

5 0
3 years ago
Read 2 more answers
Match the values associated with this data set to their correct descriptions
nordsb [41]
Put the numbers in order
6,7,15,36,41,43,47,49

Q1 = (7 + 15) / 2 = 22/2 = 11 <== first quartile
Q2 = (36 + 41) / 2 = 77/2 = 38.5 <== median
Q3 = (43 + 47) / 2 = 90/2 = 45 <== third quartile

difference of largest value and median.....(49 - 38.5) = 10.5
5 0
4 years ago
Read 2 more answers
The sum of two numbers is 19. Three times the larger is 3 more than 6 times the smaller. Find the numbers.
ella [17]

Answer:

x=6

y=13

Step-by-step explanation:

The statement says that:

3x=6y+3\\

Been y the smaller and x the larger. The other equation that we have is the summation of the two numbers. Then we have 2 equations and 2  unknowns

1. 3x=6y+3\\2. x+y=19\\

Solving the equations the answers is x=13 and y=6.

6 0
3 years ago
Find the circumference of the circle with 1/4 Pi square centimetre square 2<br>​
otez555 [7]

Answer:

The circumference of the circle is 6 cm (approximately).

Step-by-step explanation:

Given:

Area of the circle = 1/4π²

Now, to get the circumference of the circle we need the radius.

So, finding the radius by putting the formula of area:

Area = \pi r^{2}

\frac{1}{4} \pi ^{2} = \pi r^{2}

dividing π by both sides:

\frac{1}{4}\pi=r^{2}

using square root on both the sides:

\frac{1}{2}\sqrt{\pi } = r

So, the radius is \frac{1}{2}\sqrt{\pi }

Now, putting the formula of circumference:

circumference=2\pi r

                              =2\pi\frac{1}{2} \sqrt{\pi}

                              =\pi \sqrt{\pi}

putting the value of π =3.14

                              =3.14\times\sqrt{3.14}

                              =3.14\times1.77

                              =5.56

Circumference = 5.56 cm

Therefore, the circumference of the circle is 6 cm (approximately).

4 0
3 years ago
How many rectangular prisms 8 inches long, 5 inches wide, and 2 inches high can fit into another rectangular prism that measures
tangare [24]

Answer:

20

Step-by-step explanation:

Volume of rectangular prism = length × width × height

Length = 8 inches

Width = 5 inches

Height = 2 inches

Volume of rectanglular prism = length × width × height

= 8 inches * 5 inches * 2 inches

= 80 inches ³

Dimensions of another rectangular prism:

Length = 16 inches

Width = 10 inches

Height = 10 inches

Volume of rectangular prism B = length × width × height

= 16 inches * 10 inches * 10 inches

= 1,600 inches ³

Number of prism A that fits into prism B = Volume of prism B ÷ volume of prism A

= 1,600 inches ³ ÷ 80 inches ³

= 20

Number of prism A that fits into prism B = 20

8 0
3 years ago
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