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RoseWind [281]
3 years ago
9

Geometric Reasoning !!! Help me plz

Mathematics
2 answers:
tekilochka [14]3 years ago
4 0
The first option is the answer
Blababa [14]3 years ago
3 0
The first option is correct!

If you need any help with geometry, feel free to message me! I'd be happy to help you!! :)
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Are my answers for these correct
Alenkinab [10]

Answer:

you have done a great job

Step-by-step explanation:

7 0
3 years ago
Venus and her cousin Ursula recently celebrated their birthdays on the same Sunday in December 2021. Ursula is now four times as
AnnZ [28]

The date are given by the expressing the given information as functions,

and evaluating based on the constraints.

Response:

  • <u>Venus is 15 years, and Ursula is likely 24 years old</u>
  • <u>Venus is likely born on a Thursday</u>

<h3>How can the ages and date of birth be calculated?</h3>

Let <em>x</em> represent the number of years age when Ursula's age was the

same as Venus's age now and let <em>y </em>represent the age of Venus, we

have;

Ursula's age = y + x = 4 × (y - x)

y > 12

Which gives;

y + x = 4 × (y - x) = 4·y - 4·x

y + x = 4·y - 4·x

5·x = 3·y

y = \dfrac{5}{3} \cdot x

<em />

<em>y</em>, and <em>x</em> are whole numbers,  which gives;

When <em>x</em> = 9

  • Venus's \ age \  y = \dfrac{5}{3} \times 9 \, years =\underline{ 15 \, years}

  • Ursula's age = 15 years + 9 years = <u>24 years</u>

From the calendar, we have;

Sundays in December 2021 includes the 7th, 14th, 11st and 28th of

December

The year Venus is born = 2021 - 15 = 2006 Calendar

7th, 14th, 11st and 28th of December 2006 are on Thursdays

Therefore;

  • <u>Venus was born on a Thursday</u>

Learn more about date calculations here:

brainly.com/question/6970087

3 0
2 years ago
Question 5 20 pts If the radius of a circle is 28 cm, what is the circumference? (Use 3.14 for pi)​
ra1l [238]

Answer:

The circumference of a circle can be found by multiplying pi ( π = 3.14 ) by the diameter of the circle. ... Use 3.14 for pi

6 0
2 years ago
Read 2 more answers
Please show all work
Mekhanik [1.2K]

Answer:

4.8 minutes

Step-by-step explanation:

2.5/2.5=1

so

12/2.5=4.8

6 0
3 years ago
Read 2 more answers
Below is an attempt to derive the derivative of sec(x) using product rule, where x is in the domain of secx. In which step, if a
4vir4ik [10]

The error occurs in step 3. By the product rule, we have

\dfrac{\mathrm d}{\mathrm dx}(\sec x\times\cos x)=\dfrac{\mathrm d}{\mathrm dx}(\sec x)\times\cos x+\sec x\times\dfrac{\mathrm d}{\mathrm dx}(\cos x)

=\dfrac{\mathrm d}{\mathrm dx}(\sec x)\times\cos x\boxed{+\sec x\times(-\sin x)}

=\dfrac{\mathrm d}{\mathrm dx}(\sec x)\times\cos x\boxed{-\sec x\times\sin x}

(i.e. there is a missing factor of \sin x)

Then

\dfrac{\mathrm d}{\mathrm dx}(\sec x)\times\cos x-\sec x\times\sin x=0

\implies\dfrac{\mathrm d}{\mathrm dx}(\sec x)\times\cos x=\sec x\times\sin x

\implies\dfrac{\mathrm d}{\mathrm dx}(\sec x)=\dfrac{\sec x\times\sin x}{\cos x}

\implies\dfrac{\mathrm d}{\mathrm dx}(\sec x)=\sec x\times\tan x

6 0
3 years ago
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