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3 years ago

Is 1/3 less than 3/9

Mathematics

1 answer:

andrew-mc [135]3 years ago

3 0

Answer:

so no they are equal

Step-by-step explanation:

1.convert to decimal to make easier

2.1/3=0.33 3/9=0.33

3.subtract, 0.33-0.33=0

4. sense it is exactly zero that means the 2 fractions a equal

CAN I BE BRAINLY

hope it helps love. ∞bella

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Consider this right triangle. 21 29 20 Enter the ratio equivalent to s

AleksAgata [21]

Answer:

Part 1) $sin(B)=\frac{21}{29}$

Part 2) $csc(A)=\frac{29}{20}$

Part 3) $cot(A)=\frac{21}{20}$

Step-by-step explanation:

The complete question is

Consider this right triangle. 21 29 20 Write the ratio equivalent to: Sin B - CscA- Cot B

The picture of the question in the attached figure

Part 1) Write the ratio equivalent to: Sin B

we know that

In the right triangle ABC

$sin(B)=\frac{AC}{AB}$ ----> by SOH (opposite side divided by the hypotenuse)

substitute the values

$sin(B)=\frac{21}{29}$

Part 2) Write the ratio equivalent to: Csc A

we know that

In the right triangle ABC

$csc(A)=\frac{1}{sin(A)}$

$sin(A)=\frac{BC}{AB}$ -----> by SOH (opposite side divided by the hypotenuse)

substitute the values

$sin(A)=\frac{20}{29}$

therefore

$csc(A)=\frac{29}{20}$

Part 3) Write the ratio equivalent to: Cot A

we know that

In the right triangle ABC

$cot(A)=\frac{1}{tan(A)}$

$tan(A)=\frac{BC}{AC}$ -----> by TOA (opposite side divided by the adjacent side)

substitute the values

$tan(A)=\frac{20}{21}$

therefore

$cot(A)=\frac{21}{20}$

4 0

3 years ago

Need help with this anyone please

andriy [413]

Option B: 1

Option C: 6

Solution:

Let us first define the vertical angle theorem:

Vertical angle theorem:

If two lines are intersecting each other, then the vertically opposite angles are congruent.

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Angle 1 and angle 7 are vertically opposite angles.

Therefore by vertical angle theorem, angle 7 = angle 1

Option B is the correct answer.

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Angle 4 and angle 6 are vertically opposite angles.

Therefore by vertical angle theorem, angle 4 = angle 6

Option C is the correct answer.

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4 years ago

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Answer:do you have a photo available? It’s fine if not

Step-by-step explanation:

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3 years ago

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Radda [10]

You will need 252 mL of pure water to obtain 0.25 mL of the desired 25% solution.

If we add X amount of water to the solution, the total amount of solution is 375+X.

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The amount of solute in the current amount of solution is

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That amount won't change by adding water.

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vlabodo [156]

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