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Aleksandr-060686 [28]

3 years ago

9

The results of a swim meet are shown. Who swam the fastest? Explain Your Reasoning. Tawni- 50-m-Freestyle Time= 40.8 Pepita-100-

m-Butterfly-Time=60.2 Susana 200-M-Meledy-Time=112.4

1 answer:

aivan3 [116]3 years ago

7 0

Pepita because their time is greater than all the others

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If the radius of circle A is 6 units, calculate the area of the shaded region...

meriva

The formula of an area of a triangle:

$A_{\triangle}=\dfrac{base\cdot height}{2}$

We have:

$\triangle_{FDE}:\ base=height=1\\\triangle_{GDH}:\ base=height=9$

substitute:

$A_{\triangle_{FDE}}=\dfrac{1\cdot1}{2}=0.5\\\\A_{\triangle_{GDH}}=\dfrac{9\cdot9}{2}=40.5$

The formula of an area of a circle:

$A_O=\pi r^2$

We have $r=6$

Substitute:

$A_O=\pi\cdot6^2=36\pi\approx36\cdot3.14=113.04$

The area of the shaded region

$A=A_O-(A_{\triangle_{FDE}}+A_{\triangle_{GDH}})\\\\A=113.04-(0.5+40.5)=113.04-41=72.04\ u^2$

4 0

3 years ago

What is the solution to the system of equations <br><br> 3x+2y=39<br> 5x-y=13

Vadim26 [7]

Hiya. I'm going to rewrite the second equation.

By subtracting 5x by both sides, I'll be able to have y by itself:

-y=-5x+13

I'm going to then divide both sides by -1 to get:

y=5x-13.

Then, I'm going to plug that equation into the first equation

3x+2(5x-13)=39

Factor:

3x+10x-26=39

Combine like terms:

13x=65

Divide both sides by 13 to get x by itself to get x=5

Plug this back into the equation of y=5x-13

y=5(5)-13 to get y=12

4 0

3 years ago

Read 2 more answers

If RG = 4X+12 and HI = 10x-15, then x =

Zinaida [17]

T and g are the answer because you can’t do 10x and 15

6 0

3 years ago

Find<br> the<br> Inverse<br> y = x+10/7

Alona [7]

Answer:

x - $\frac{10}{7}$

Step-by-step explanation:

y = x + 10/7

x = y + 10/7

x = y + 10/7

x - 10/7 = y

y = x - 10/7

x - $\frac{10}{7}$

3 0

3 years ago

NEED HELP!!! please:)

Dahasolnce [82]

No, Jonah is not correct. The answer is shown in the picture.

8 0

3 years ago