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Rainbow [258]
3 years ago
12

√x + x+13 =? domain

Mathematics
1 answer:
hram777 [196]3 years ago
7 0

\sqrt{x}+x+13}\\\\\sqrt{x}\ exist\ for\ x\geq0.\\\\Therefore\ the\ domain:\\\\x\geq0\to x\in\mathbb{R^+}\cup\{0\}\to x\in\left[0,\ \infty\right)

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Jason has 60 cars. 30% is blue. How many are blue?
Dmitriy789 [7]
So to figure out 10% of this would be to remove the 0. that would be six. since 30÷10 is 3, we have to do 6×3. that would be 18, so 30% of 60 is 18
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3 years ago
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In ΔEFG, f = 42 inches, e = 39 inches and ∠E=43°. Find all possible values of ∠F, to the nearest degree.\
zavuch27 [327]

Answer:

The angle F = 47.25°

Step-by-step explanation:

<u><em>Step(i):-</em></u>

Given that f =42inches  and  e = 39 inches

Given that ∠E = 43°

By using sine rule

                 \frac{a}{sinA} = \frac{b}{sinB} = \frac{C}{sinC}  = 2R

                \frac{e}{sinE} = \frac{f}{sinF}

 ⇒          \frac{39}{sin43} = \frac{42}{sinF}

  Cross multiplication , we get

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             sin F = \frac{42 X 0.68199}{39}

⇒           sin F = 0.734459

<u><em>Step(ii):-</em></u>

⇒       sin⁻¹ (sin F)= sin ⁻¹ ( 0.734459)

⇒            F = 47.25

The angle F = 47.25°

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3 years ago
What else would need to be congruent to show that triangle ABC and triangle XYZ is congruent by AAS
julia-pushkina [17]

Answer:

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Step-by-step explanation:

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Simple Ex.

Expression : 2 + 66 / 11 - 3 x 2

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Expression : 4j - 3 = j

Hope this helps :)

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Step-by-step explanation:

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