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3 years ago

13

E Jessica, Bob, and Ravi sent a total of 121 text messages during the weekend. Jessica sent 5 fewer messages than Ravi. Bob sent

4 times as many messages as Ravi. How many messages did they each send? mumhor of text messages Jessica sent: 6

1 answer:

gladu [14]3 years ago

3 0

21 messages they sent together

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I need help with my rsm hwrk pls help me

oksian1 [2.3K]

Answer: $A= 32(\pi-2)\ cm^2, \ \ \ P=8\pi\ cm$

Step-by-step explanation:

When we consider Area under arc AC is is representing a quarter as ADBC is a square, $\angle D=90^{\circ}$ .

Area of quadrant = $\dfrac{\pi r^2}{4}$

here r= 8 cm

Area under Arc AC= $\dfrac{\pi (8)^2}{4}=16\pi\ cm^2$

Area of white region ABC = Area of square ADBC - Area under Arc AC

$=8^2-16\pi\ \ [\text{Area of square} = sides^2]\\\\= 64-16\pi\ \ =16(4-\pi)\ cm^2$

Similarly , Area of white region ADC = $16(4-\pi)\ cm^2$

Area of shaded region = Area of square - Area of white region ABC - Area of white region ADC

$=64-(64-16\pi)-(64-16\pi)\\\\= 32\pi-64\ cm^2 \\\\= 32(\pi-2)\ cm^2$

Area of shaded region = $= 32(\pi-2)\ cm^2$

Length of arc AC = $\dfrac{Circumference}{4}=\dfrac{2\pi r}{4}$

$\dfrac{\pi (8)}{2}=4\pi cm$

Perimeter of shaded region = 2(AC) = $8\pi\ cm$

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Step-by-step explanation:

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Hope this helps you!

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4 years ago

I will mark brainliestand 40 points! :)

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Answer is D) take 5 blocks away from the left side.

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The Answer is 2x+2

Step-by-step explanation:

<em>Simplify the expression.</em>

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2 years ago

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