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Grace [21]
3 years ago
11

A(-1,2) B(3,1) C(1,-4) To the new coordinated A'(-2,4) B'(6,2) C'(2,-8) what was the scale factor?

Mathematics
1 answer:
kicyunya [14]3 years ago
6 0

Answer:

Step-by-step explanation:

A(-1, 2)  ==> A'(-2, 4)

B(3,1) ==> B'(6,2)

C(1,-4) ==> C'(2,-8)

Based on the results of each set, the scale factor is 2

A(-1*2, 2*2)=  A'(-2, 4)

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If a piece of ribbon is 5 1/2 feet long, how long is it in inches
IrinaK [193]
The ribbon would be 66 inches. This is because there is 12 inches in every foot.
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4 years ago
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3,486÷ 2=n<br>please show work so I can understand it ​
TEA [102]

Hello!

3,486 / 2 = n

n = 1743

work:

you simply divide 3,486 by 2

if you divide each number by two (right to left)

6 / 2 = 3

8 / 2 = 4

4 / 2 = 2

3 / 2 = 1.5

since there is a decimal in this, multiply it by 10 and add it to the number before. this number will go on the right side of the total

1.5 * 10 =15

15 + 2 = 17

17 4 3 are the final numbers in order. put them together and you have 1743

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<u>(this is my personal way of doing it, but there are plenty more ways to do it)</u>

I hope this helps, and have a nice day!

8 0
4 years ago
What is the Y interpret of the question? y=-1/2x-6​
Oduvanchick [21]

Answer:

The y-intercept is (0,-6)

Step-by-step explanation:

In the equation y = mx + b, b is the y-intercept. In your equation, the b is -6, so the y-intercept is (0,-6).

4 0
3 years ago
Read 2 more answers
Sarafina is making monthly payments into an annuity. She wants to have $800 in fund to buy a new convection range in three month
victus00 [196]

Answer:

  $265.07

Step-by-step explanation:

The formula for the future value of an annuity is applicable.

  A = P((1+r)^n-1)/r . . . . where r is the monthly interest rate and n is the number of months. P is the monthly payment, and A is the amount of the future value.

  800 = P(1.006^3 -1)/(.006) = 3.018036P

  P = 800/3.018036 ≈ 265.07

Sarafina's monthly payments need to be $265.07.

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This is about $1.60 less than the 266.67 she would deposit if she simply divided the desired balance by the number of months.

Because this number is rounded down, Sarafina will have a balance after 3 months of $799.99.

6 0
4 years ago
Find The Domain Find the Value
laila [671]

1a) The domain is a set of all real numbers not equal to 5

1b) The domain is a set of all real numbers not equal to 4

<h3>What is the domain of the function?</h3>

Domain of a function is the set of all possible input values that make the function defined.

1a) We are given the function;

C(x) = -3²/(x - 5)

The domain will be a set of values that makes the denominator not equal to zero. Thus;

The domain is a set of all real numbers not equal to 5

1b) The function is; R(x) = 4x/(3x - 12)

The domain will be a set of values that makes the denominator not equal to zero. Thus;

The domain is a set of all real numbers not equal to 4

2a) Function is;

f(x) = (x + 8)/(2x - 1)

f(2) = (2 + 8)/(2(2) - 1)

f(2) = 10/3

f(0) = (0 + 8)/(2(0) - 1)

f(0) = -8

f(-1/2) = (-1/2 + 8)/(2(-1/2) - 1)

f(-1/2) = -15/4

2b) Function is;

r(t) = (t² + 8)/(t³ - 25t)

r(3) = (3² + 8)/(3³ - 25(3)) = -17/48

r(2) = (2² + 8)/(2³ - 25(2)) = -12/42 = -2/7

r(-1) = ((-1)² + 8)/((-1)³ - 25(-1))  = 9/24 = 3/8

Read more about Domain of function  at; brainly.com/question/10197594

#SPJ1

3 0
2 years ago
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