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Assoli18 [71]
3 years ago
6

Maggie's brother is 7 years younger than four times her age. The sum of their ages is 48. How old is Maggie? Maggie is years old

.
Mathematics
1 answer:
algol133 years ago
4 0

Answer:

11 years old

Step-by-step explanation:

Maggie's age is x

Maggie's brother = 4x - 7

The sum is 48

x + 4x - 7 = 48

5x - 7 = 48

5x = 55

x = 11

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What is the sum of the exterior angles of a convex polygon?
Volgvan

Answer:

A

Step-by-step explanation:

The sum of the exterior angles for each polygon is always 360°.

The sum of the interior angles for each polygon is always 180°(n-2).

If you have n-sided convex polygon, then

\left(\text{Sum of all interior angles}\right)+ \left(\text{ Sum of all exterior angles}\right)=180^{\circ}\cdot n

So,

\left(\text{Sum of all interior angles}\right)+ 180^{\circ}\cdot (n-2)=180^{\circ}\cdot n\\ \\\left(\text{Sum of all interior angles}\right)=180^{\circ}\cdot n-180^{\circ}\cdot (n-2)=180^{\circ}\cdot (n-n+2)=360^{\circ}

8 0
3 years ago
Jamiah bought two 125 ounce bags of flour for baking. He used up 32 ounces of flour to bake a batch of brownies. How much flour
V125BC [204]

Answer: its 218

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7 0
1 year ago
Can y’all help please
IRISSAK [1]

Answer:

x=square root 63. Basically the radical 63.

Step-by-step explanation:

So in the first triangle with the 3 in it. You have root 3 and use the a^2 +b^2=c^2 formula. So 3^2 + 3^2= x^2 and then when you solve you get radical 18^2 which is equal to radical 18 or square root 18. Then we go to the bigger triangle and we do the same formula but this time we have the c value which is 9. So we do radical 18^2 + x^2 = 9^2 and then solve that and minus 18 from the 81 since the radical goes off the 18 and you get square root63.

Sorry i couldn't use the signs. Sorry If I'm wrong Hope this helps!.

4 0
2 years ago
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I think that 52 is next number
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