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vovikov84 [41]
3 years ago
12

Maggie's brother is 3 years younger than four times her age. The sum of their ages is 27.

Mathematics
1 answer:
alexdok [17]3 years ago
5 0

Answer:

6.75 years old

Step-by-step explanation:

27=(4a-3)+(4a)

27=16a-12a

27=4a

a=27/4

a=6.75

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State if the two triangles are congruent. If they are, state how you know.
Gwar [14]

Answer:

The triangles can be congruent.

Step-by-step explanation:

They are congruent if proven by SSS: 2 sides are clearly stated that they are congruent due to the marks they have.

The last side can be congruent if the diagonals are congruent in length by proving.

They can also be congeuent due to SAS because there is gonna be alternate interior angles due to the transversal.

4 0
3 years ago
What number is it? the difference of 9 and three times equals 69. find the number
Mazyrski [523]
Consider the number as 'n' (for now)
3n - 9 = 69
3n = 69 + 9
3n = 78
n = 78/3
n = 26
Therefore, The number is 26
8 0
3 years ago
Find the hypotenuse of each Isosceles right triangle when the legs are of the given measure.
ludmilkaskok [199]

Answer:

12

Step-by-step explanation:

We can use the pythagorean theorem giving us:

a^2+b^2=c^2

(6sqr2)^2 + (6sqr2)^2 = c^2

72+72=c^2

144=c^2

12=c

6 0
3 years ago
If f(x) = 3x2 + 2 and g(x) = x2 – 9, find (f – g)(x).
hoa [83]

Answer:

2x^2 +11

Step-by-step explanation:

f(x) = 3x^2 + 2 and g(x) = x^2 – 9

(f – g)(x) =  3x^2 + 2 -( x^2 – 9)

Distribute the minus sign

                     3x^2 + 2 - x^2 + 9

Combine like terms

                     2x^2 +11

                 

8 0
3 years ago
The wheels on the golf cart on Fortnite are 12 feet in diameter how many feet around is one of the tires
emmainna [20.7K]

Answer:

37.7 feet

Step-by-step explanation:

circumference=πd

3.14x12=

37.7

5 0
3 years ago
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