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Advocard [28]
3 years ago
7

A new cell phone has a purchase price of $225. With the extended warranty, the total cost comes to $289. What

Mathematics
2 answers:
Dafna1 [17]3 years ago
5 0
Sorry, I am not sure but it is either A. 28% or B. 22%
Elenna [48]3 years ago
4 0

Answer:

The answer would be Letter A which is 28%

Step-by-step explanation:

Took the practice on edge 2020 and got it correct.

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What function was used to make that pattern​
Semenov [28]

Answer:

B

Step-by-step explanation:

The differences in the terms of f(x) are + 3, + 5, + 7

Since the differences are not constant the relationship is not linear

Note the differences in the differences are + 2, + 2,

The second differences are constant indicating a quadratic relationship

Note the relationship between x and f(x)

x = 1 → 1² = 1 ← require to add 5, that is 1 + 5 = 6 ← value of f(x)

x = 2 → 2²  = 4 ← require to add 5, that is 4 + 5 = 9 ← value of f(x)

x = 3 → 3² = 9 ← require to add 5, that is 9 + 5 = 14 ← value of f(x)

x = 4 → 4² = 16 ← require to add 5, that is 16 + 5 = 21 ← value of f(x)

Thus f(x) = x² + 5 → B

3 0
3 years ago
What does cpctc represent and when would you use it
faltersainse [42]
CPCTC represents<span> is a succinct statement of a theorem regarding </span>congruent trigonometry<span>, defined as triangles either of which is an </span>isometry of the other. <span>CPCTC states that if two or more triangles are congruent, then all of their corresponding angles and sides are congruent as well. CPCTC is useful in proving various theorems about triangles and other polygons.</span>
6 0
3 years ago
Read 2 more answers
NO LINKS I NEED REAL ANSWERS <br> what are the 2 missing numbers on the blanks?
zavuch27 [327]

Answer:

Step-by-step explanation:

P1 = (2000, 1000)  in the form (x1,y1)

P2 = (2012, 3400) in the form (x2,y2)

m = (y2-y1 / x2-x1)

m = ( 3400-1000 ) / (2012 - 2000)

m = 2400 / 12

m = 200

y = 200x + 800

8 0
3 years ago
Which statement correctly describes the relationship between the graph of f(x) and g(x)=f(x+2) ?
Ahat [919]

Adding a value to the X value shifts the graph that many units to the left.

X+2 adds 2 to x, so the graph would shift 2 unites to the left.

The answer is:

The graph of g(x) is the graph of ​f(x)​ translated 2 units left.

7 0
3 years ago
Read 2 more answers
An isosceles triangle △ABC with the base BC is inscribed in a circle. Find the measures of angles of the triangle, if measure of
____ [38]

Answer:

  • angle at A: 51°
  • base angles: 64.5°

Step-by-step explanation:

The measure of the inscribed angle BAC is half the measure of the intercepted arc BC, so is 102°/2 = 51°.

The base angles  at B and C are the complement of half this value, or ...

  90° -(51°/2) = 64.5°

The angle measures in the triangle are ...

  ∠A = 51°

  ∠B = ∠C = 64.5°

6 0
3 years ago
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