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Korolek [52]
2 years ago
8

What’s the value of x ?

Mathematics
1 answer:
melomori [17]2 years ago
4 0

Answer:

Here's ur answer

Step-by-step explanation:

The value of x = 14

Explaination

4x+2x+6 = 90°

6x+6 = 90°

6x = 90-6

6x = 84

x = 90÷6

x = 14

Hope it's useful..

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What expression is equivalent to x2 - 49
melisa1 [442]

Answer:

x^2 - 49= (x+7) (x -7)

Step-by-step explanation:

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3 years ago
H(x) = x3 + 7<br> Determine whether the function is one-to-one.
zubka84 [21]

Answer:

we conclude that the function is one-to-one.

Step-by-step explanation:

A function will a one-to-one function if it

  • passes the vertical line test to make sure it is indeed a function, and
  • also a horizontal line test to make sure it is it one-to-one.

In other words,

The function will be one-to-one if it passes the vertical line test, and also if the horizontal line only cuts the graph of the function in one place.

The reason is that there must be only one x-value for each y-value.

Given the function

h\left(x\right)\:=\:x^3\:+\:7

Have a look at the attached graph.

  • The red portion represents the graph of the function h\left(x\right)\:=\:x^3\:+\:7.
  • The green portion represents the graph of x=2 which is basically a vertical line test. Vertical line indicates that it cuts the cuts the graph of the function in one place. So it is clear that h\left(x\right)\:=\:x^3\:+\:7 is indeed a function.
  • The blue line represents the graph of y=9, which is basically a horizontal line test. Horizontal line indicates that it cuts the cuts the graph of the function in one place. So it is clear that h\left(x\right)\:=\:x^3\:+\:7 is a one-to-one function, as there is only one x-value for each y-value.

Therefore, we conclude that the function is one-to-one.

6 0
3 years ago
What is the slope (rate of change) for the table?
kvv77 [185]

Answer:

d

Step-by-step explanation:

i did this one

3 0
2 years ago
What is the value of x?
Papessa [141]
The value of x is 2 because we can compare like terms
5 0
3 years ago
Olivia is 48 inches tall, and 2/3 as tall as her brother Cameron. In inches, how tall is Cameron?
KengaRu [80]

Cameron is 72 inches tall.

48 x 3/2= 72 inches or 6 ft.

4 0
3 years ago
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