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Hunter-Best [27]
2 years ago
9

What is the scale factor from ABC to DEF?

Mathematics
1 answer:
Dmitry_Shevchenko [17]2 years ago
8 0

Answer:

3

Step-by-step explanation:

3 to get to 15, multiply by 3, same for other sides.

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A math test is worth 100 points and has 38 problems. each problem is worth either 5 points or 2 points. how many problems of eac
blondinia [14]
Hey there,
There are 2 ways
1st way:
Since there are 8 5 point problems, 38 - 8 = 30, will give you the 2 point problems.

2nd way: 
8 x 5 = 40
100 - 40 = 60
60 / 2 = 30
Thus there are 30, 2 point problems.

Hope this helps :))

~Top
4 0
3 years ago
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Ingrid spends $120 on car repairs. Which integer represents the amount of money Ingrid must earn in order to create a zero pair?
Julli [10]

Answer: -120

Step-by-step explanation:

this would be the answer because if you take a positive and add it to a negative you get zero if their the additive inverse of the number.

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3 years ago
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Consider the function f(x)= (x+4)(x-2) what is the equation of the axis of symmetry
almond37 [142]

if we zero out f(x), namely make y = 0, we can get the roots or x-intercepts for this quadratic equation

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now, the equation is in x-terms, meaning is a vertically opening parabola, so the axis of symmetry will be x = something, a vertical line.

well, we have two x-intercepts, one at -4 and another at 2, and the vertex is right half-way between those guys

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so the vertex is at x=-1, namely the axis of symmetry is x = -1.

8 0
3 years ago
Can someone help please i’ll mark branliest!!
andre [41]

Answer:

a= 32 degrees

b= 148 degrees

c= 82 degrees

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A teacher is comparing the quarter grades between two of her classes. She takes a random sample of 8 students from each class an
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