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Viktor [21]
3 years ago
12

Someone help asap please.

Mathematics
2 answers:
Lerok [7]3 years ago
6 0
<h2>Repeating Decimal to Fraction</h2>

Note: "..." is the repeating sign I'm using.

Answer: 2/9

<h3>Steps</h3>

Let X equal the decimal number  

Equation 1:

X = 0.2...

With 1 digit in the repeating decimal group,

create a second equation by multiplying

both sides by 10

X * 10 = 10X and 0.2...* 10 = 2.2...

Equation 2:

10X = 2.2...

Subtract equation 1 from equation 2

10X = 2.2...  -   X = 0.2...

We get

9X = 2

In conclusion, 0.2... =   2/9

<h2>Repeating Decimal to Mixed Number</h2>

This decimal cannot be a mixed number because it has no number in the one's, ten's, or hundred's place.

zmey [24]3 years ago
4 0

Answer:

2/9= 0.222222222........

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The drawing of a building, shown below, has a scale of 1 in to 30 ft. what is the actual height, in ft, of the building
11111nata11111 [884]
The answer is: 22.4 hope it helps :)
6 0
3 years ago
Charles is cooking enough lentils for lentil barley soup and lentil salad. The soup recipe calls for 3/4 cup of dried lentils. T
zvonat [6]

Answer:

18 scoops is the correct answer

Step-by-step explanation:

3/4 can also be written as 6/8 (multiply both 3 and 4 by 2)

and 1 1/2 is actually 3/2 which can be written as 12/8 (multiply both 3 and 2 by 4)

thus total lentils required is 6/8 + 12/8 = 18/8 cups.

with scoop size 1/8 cup you'll need 18 scoops .

8 0
3 years ago
Read 2 more answers
Which criterion can be used to prove abc and adc are congruent? triangles, abc and acd, are plotted on a grid that share a commo
RUDIKE [14]

The correct answer is option D which is ASA ( Angle - Side - Angle).

<h3>What is congruency?</h3>

If two triangles are congruent, this means they are the same shape and the same size. By definition, all corresponding angles of two congruent triangles are congruent. Additionally, all corresponding sides of two congruent triangles are congruent.

In triangles ABC and ADC,

Angles BCA and DAC are congruent (from the diagram);

Angles BAC and DCA are congruent (from the diagram);

AC is congruent AC (by reflexive property).

So, the triangles ABC and CDA are congruent with the ASA postulate.

ASA (Angle-Side-Angle) postulate states that if two angles and the included side of one triangle are congruent to two angles and the included side of another triangle, then the triangles are congruent.

Therefore the correct answer is option D which is ASA ( Angle - Side - Angle).

To know more about congruency follow

brainly.com/question/2938476

#SPJ1

4 0
2 years ago
Your lab develops a synthetic compound that is extremely light but very durable. You test it by making a solid ball with a radiu
Maksim231197 [3]
The volume of a spherical shaped object is given by

V= \frac{4}{3} \pi r^3

Given that the <span>solid ball has a radius of 20.0 millimeters, the volume of the solid ball is given by

V= \frac{4}{3} \pi(20)^3\approx33,510mm^3

Therefore, the </span><span>closest to the volume of the synthetic compound ball, in cubic millimeters is 33,500 cubic milimeters.</span>
6 0
4 years ago
5,7,9,11 12th term pls help
skad [1K]

Answer:

27

Step-by-step explanation:

5,7,9,11. ....

This is an arithmetic sequence.

First term = a₁ = 5

Common difference = d = second term - first term = 7 - 5 = 2

nth term = a₁ + (n-1)*d

12th term = 5 + (12 - 1) * 2

                = 5 + 11*2

                = 5 + 22

                = 27

5 0
2 years ago
Read 2 more answers
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