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Ganezh [65]
3 years ago
13

Allison is twice as old a bob. The sum of their ages is 54. How old is Bob?

Mathematics
1 answer:
frez [133]3 years ago
7 0

Answer:

27

Step-by-step explanation:

There ages when multiplied by 2, have to equal 54. Simply put, just divide 54 by 2 to get your answer. Thus, the answer is 27

Hope this helps.

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(05.08A)Triangle ABC is transformed to similar triangle A′B′C′ below:
Romashka-Z-Leto [24]

Answer:

1st option is correct i.e., 1 over 2

Step-by-step explanation:

Given that Triangle ABC transformed to Triangle A'B'C'.

Coordinated of Triangle ABC are A(2,6) , B(2,4) and C(4,4)

Coordinated of Triangle A'B'C' are A'(1,3), B'(1,2) and C'(2,2)

Scale factor of Dilation is the no. of times coordinates of vertices of a figure increase or decrease.i.e.,

if A(a,b) ⇒ A'(c,d)

where, a.k=c & b.k=d then k is scale factor of dilation.

Value of k is same for all vertices.

For coordinates of A & A' ,we have 2.k=1\implies k=\frac{1}{2} \:\: and \:\: 6.k=3\implies k=\frac{1}{2}

For coordinates of B & B' ,we have 2.k=1\implies k=\frac{1}{2} \:\: and \:\: 4.k=2\implies k=\frac{1}{2}

For coordinates of C & C' ,we have 4.k=2\implies k=\frac{1}{2} \:\: and \:\: 4.k=2\implies k=\frac{1}{2}

Therefore, the scale factor of dilation is \:\frac{1}{2}\:  since in all cases k=\frac{1}{2}

1st option is correct i.e., 1 over 2

3 0
3 years ago
If a quadratic function has x-intercepts at (-7,0) and 10,0), where would
madam [21]

Answer:

x = 1.5

Step-by-step explanation:

Since the axis of symmetry is between the 2 x intercepts, we can find it by finding the average of the x-coordinates of the 2 points.

(-7 + 10) / 2

3/2

= 1.5

So, the axis of symmetry is at x = 1.5

8 0
2 years ago
What is the fraction
Sloan [31]
6/10 = 9/15

denominator 10 is 4 greater than its numerator 6.

answer 6/10

7 0
3 years ago
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The table below represents an exponential function. What is the missing value? 0,8 1,16 2,32 3,64 4,_
dezoksy [38]

Answer:

128

Step-by-step explanation:

16 + 16 = 32

32 + 32 = 64

64 + 64 = 128

Hope this helps!!

5 0
2 years ago
What is 2a+4b= and whats the equation
Ronch [10]

Answer:

 .2 ( a + 2 b )

Step-by-step explanation:

Factor  

2

out of  

2 a + 4 b  

4 0
3 years ago
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