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3 years ago

What is the value of x?

Mathematics

2 answers:

Taya2010 [7]3 years ago

8 0

mean a value that is not yet known.

It is called a "variable" or sometimes an "unknown".

In x + 2 = 7, x is a variable, but we can work out its value if we try!

A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.

See: Variable

Introduction to Algebra

PilotLPTM [1.2K]3 years ago

3 0

Answer:

360=2(x+30)+2x

360=2x+60+2x

300=4x

x=75

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Two digits of the 5-digit number A = 74*9* are missing. Fill in the missing digits so that the number obtained is the smallest p

e-lub [12.9K]

Answer:

A = 74295.

Step-by-step explanation:

74*9*

- the last number must be a 0 or a 5.

So we try 74090/45 - not an integer

74095/45 = No

74190/45 No

74195/45 No

74295 / 45 = 1651 So that's it,

6 0

2 years ago

Read 2 more answers

Plz help with questions 12 box and 13-14 Due tomorrow !!!

ivann1987 [24]

12. 6$
13. 60 birds
14. 10 inch

8 0

3 years ago

Help me please ASAP. I really need this

Ksju [112]

Answer:

Step-by-step explanation:

I don't think this can be done without the diagram. You do not know what HD is opposite. I will take a guess that it is opposite TU which makes TU = 220 because both H and D are midpoints and that makes TU twice as large as HD.

If this is incorrect, post the diagram.

6 0

2 years ago

Calculate the angle of depression, x, if the boat is 750 ft. away from the light house and the light house is 300 ft high. Round

I am Lyosha [343]

Firstly , we need to draw diagram

we are given

opposite =300

adjacent =750

now, we can use tan formula

$tan(x)=\frac{300}{750}$

now, we can find x

$x=tan^{-1}(\frac{300}{750})$

we get

$x=21.8 degree$

so,

angle of depression is 21.8 degree.....Answer

8 0

2 years ago

The graph of the function F(x) = 2x^2-8 is changed. The new graph can be

vova2212 [387]

Answer:

The graph now opens in the opposite direction. The y intercept is shifted up 4.

Step-by-step explanation:

F(x) = 2x^2-8

F(X)= -2x^2-4

We know that the graph is reflected over the y-intercept becuase of the negative sign in the second equation ( F(X)= -2x^2-4)

We know that the intercept is shifted up four, because the number decreased from 8 to 4, and the graph is reflected.

Attacthed is both of the equations graphed to help you visualize this shift!

6 0

3 years ago