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DIA [1.3K]
3 years ago
14

the ratio of isabella money to shane money is 3:11 if isabella has 33$ how much money do shane and isabella have together use di

agram to illustrate your answer
Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
8 0
Together both shane and isabella have 42$

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PLEASE HELP FOR TEST will mark brainiest !!
sdas [7]

Answer:

552.920307 yd^2 or 552.92 yd^2 for sigfigs

Step-by-step explanation:

basically you take the area of the entire circle and subtract the interior circle to leave the ring and that’s your answer

so the area formula of a circle is π r^2

the radius (r) is just half the diameter so the entire diameter is 48 so the radius is 24 - π(24)^2 = 1809.557368^2

then the interior circle’s diameter is 40 so the radius is 20 - π(20)^2 = 1256.637061^2

so now it’s just subtraction:

1809.557368 yd^2 - 1256.637061 yd^2 =
552.920307 yd^2 or 552.92 yd^2 for sigfigs

hope this helps :)

6 0
2 years ago
Read 2 more answers
MULTIPLE CHOICE LaShawn designs websites for local
Artemon [7]
A is the correct answer I just took the quiz
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3 years ago
Use elimination to solve the system of equations given by 3x - 2y = 10 and 5x + 2y = 6​
pishuonlain [190]

Answer:

x = -2  y= -8 and 8

Step-by-step explanation:

Since there is an equal number of y's, they cancel out when subtracting. You can put either equation on top. You will get same answer.

<u>To find x:</u>

<u>If you do (3x - 2y = 10) - (5x + 2y = 6​),</u> you will get -2x=4. Divide both sides by -2, and get x = -2.

<u>If you do (5x + 2y = 6​) - (3x - 2y = 10)</u>, you will get 2x=-4.Divide both sides by 2, and get x = -2.

<u>To find y:</u>

Substitute -2 for x in either equation. It doesn't matter.

<u>For 3(-2) - 2y = 10:</u>

3(-2) - 2y = 10 ––Multiply

-6 - 2y =10 ––Add 6 to both sides to get y alone

-2y = 16 ––Divide by -2

y = -8

<u>For 5x + 2y = 6​:</u>

5(-2) + 2y = 6​ ––Multiply

-10 + 2y = 6 ––Add 10 to both sides to get y alone

2y = 16 ––Divide by 2

y = 8

 

6 0
2 years ago
You are making cupcakes for your friend's birthday. The recipe calls for 3 tablespoons of vegetable oil. You have a container
erastova [34]
32 tablespoons

2x8=16

16x2=32
4 0
3 years ago
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Find the area of each circle. Round to the nearest tenth. Use 3.14 or 22/7 for Pi.
maria [59]

Answer: the 1 with 6cm the area is 113.1 and the one with 11ft is 380.2

Step-by-step explanation: use this formula A=πr2

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