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GarryVolchara [31]
3 years ago
11

Select three ratios that are equivalent to 4:3 Choose 3 answers:

Mathematics
2 answers:
VARVARA [1.3K]3 years ago
6 0

Answer: 8:6, 12:9, and 16:12

Norma-Jean [14]3 years ago
3 0

Answer:

1) 8:6      2) 12:9        3) 16:12

Step-by-step explanation:

1) You multiply both 4 and 3 by 2.

2) You multiply both 4 and 3 by 3

3) You multiply both 4 and 3 by 4.

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What is the vertex of the function?
Romashka [77]

Answer:

  (4, -25)

Step-by-step explanation:

One way to answer this is to put the equation into vertex form.

  f(x)= x^2 -8x -9 . . . . . given

Add and subtract the square of half the x-coefficient:

  f(x) = x^2 -8x +(-8/2)^2 -9 -(-8/2)^2

  f(x) = x^2 -8x +16 -25

  f(x) = (x -4)^2 -25

Comparing this to the vertex form of a quadratic:

  f(x) = a(x -h)^2 +k

we find that (h, k) = (4, -25). This is the vertex.

_____

<em>Alternate solution</em>

The line of symmetry for ...

  f(x) = ax^2 +bx +c

is given by x = -b/(2a). For your given quadratic that line is ...

  x = -(-8)/(2(1)) = 4

Evaluating f(4) gives the y-coordinate:

  f(4) = 4^2 -8·4 -9 = -25

The vertex is (x, y) = (4, -25).

8 0
3 years ago
Find the value of x 2-x7=25
o-na [289]

Answer: 3.285714286

Step-by-step explanation: subtract 2 from both sides then divide by 7

4 0
3 years ago
Carlos's father bought him a 18-foot board to cut into shelves for his bedroom. Carlos plans to cut the board into 7 equal size
IRINA_888 [86]
If he cuts the board into 7 pieces, that will require 6 cuts with his saw. Therefore, he will lose 6 * .125, or .75 feet for all of the cuts, resulting in 17.25 feet in total after the cuts.
7 0
3 years ago
Choose the definition for the function
scZoUnD [109]

Answer:

In mathematics, a function is a binary relation over two sets that associates to every element of the first set exactly one element of the second set. Typical examples are functions from integers to integers or from the real numbers to real numbers.

Step-by-step explanation:

hope this helps you :)

7 0
3 years ago
Read 2 more answers
20 POINTS! + BRAINLIEST!
g100num [7]

Answer:

= x^4 -x^3 -4x^2 -3

Step-by-step explanation:

f(x) = x^4 -x^2 +9

g(x) = x^3 +3x^2 +12

We want to find f-g

(f-g) (x) = x^4 -x^2 +9 - (x^3 +3x^2 +12)

Distribute the minus sign

(f-g) (x) = x^4 -x^2 +9 - x^3 -3x^2 -12

            = x^4 -x^3 -4x^2 -3

3 0
3 years ago
Read 2 more answers
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