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Ilia_Sergeevich [38]
3 years ago
5

Help please I don't get it

Mathematics
2 answers:
Sonja [21]3 years ago
8 0
A variable is an unknown, so for example Joe has 5 cards but Gordon has 5 times more cards then Joe, our variable is x (whatever letter you want but i)
X=how many cards Gordon has
I hope this helps!
rewona [7]3 years ago
7 0
A variable is a letter that represents unspecified numbers. We use a variable in the same manner as all other numerals.
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maxonik [38]

Answer:

1/20

Step-by-step explanation:

(1/5) ÷ 4

*remember, you don't divide fractions, you multiply the first fraction by the inverse (flip it upside down) of the second fraction.*

(1/5) × (1/4) = (1/20)

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3 years ago
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Step-by-step explanation:

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2 years ago
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sergeinik [125]
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Which equation can be used to solve for b?<br> B<br> 5 cm<br> 10 cm<br> 30°
kati45 [8]

The Question is Incomplete The complete question with figure is below.

Answer:

Therefore the equation to solve for b is

\tan 30 = \dfrac{5}{b}

Step-by-step explanation:

Given:

In Right Angle Triangle ABC

∠C = 90°

BC = 5 cm

AB = 10 cm

∠A = 30°

To Find:

b = ?

Solution:

In Right Angle Triangle ABC Tangent identity we have

\tan A = \dfrac{\textrm{side opposite to angle A}}{\textrm{side adjacent to angle A}}

Substituting the values we get

\tan 30 = \dfrac{BC}{AC}\\\\\tan 30 = \dfrac{5}{b}

Therefore the equation to solve for b is

\tan 30 = \dfrac{5}{b}

6 0
3 years ago
The volume of the cube below is 250.047 m^3. The side length could be between which sets of numbers below?
Eva8 [605]

Step-by-step explanation:

The volume of the cube below is 250.047 m^3. The side length could be between which sets of numbers below?

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