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4 years ago

Please help guys

Mathematics

1 answer:

Andrej [43]4 years ago

4 0

X = 35, because the angles on top and bottom are equal, so its 60 - 25=35

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Solve the equation

Elan Coil [88]

Answer:

Step-by-step explanation:

You would first subtract 6x from both sides which will give you something like:

-4= 2x - 9

then you would add 9 on both sides which would give you

5 = 2x

which now you would divide 2 by both sides with would give you

5/2 = x

simplify it one more time

2.5 = x

3 0

3 years ago

Read 2 more answers

The label on the car's antifreeze container claims to protect the car between −30°C and 130°C. To convert Celsius temperature to

Sveta_85 [38]

we know that

$C = \frac{5}{9}(F-32)\\ \\F=\frac{9}{5}C+32$

Step $1$

Find the inequality

we know that

$C = \frac{5}{9}(F-32)$ --------> equation $1$

and

$-30\° < C < 130\°$

substitute the equation $1$ in the inequality

$-30\° < \frac{5}{9}(F-32) < 130\°$

Step $2$

Convert $-30\°C$ to F

substitute in the formula

$F=\frac{9}{5}*(-30)+32\\ \\F= -22\°$

Step $3$

Convert $130\°C$ to F

substitute in the formula

$F=\frac{9}{5}*(130)+32\\ \\F= 266\°$

therefore

$-22\° < F < 266\°$

the answer is the option

B. −30 < 5 over 9 (F − 32) < 130; −22 < F < 266

6 0

3 years ago

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How do you find the steepness on a graph?

MAXImum [283]

Hi there! It depends on how high the value is.

8 0

4 years ago

Ann needs to read 414 pages in 3 days. how many pages should she read each day?

siniylev [52]

414 divide by 3 =138

8 0

3 years ago

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Let f(x)=⌊x/2⌋. We learned that the floor and the ceiling functions are NOT invertible, but we also learned about the set of pre

romanna [79]

Answer:

Value of $f^{-1}(\{4\})$ is 8.

Step-by-step explanation:

Given function,

$f(x)=\big[\frac{x}{2}\big]$

we have to find : $f^{-1}(\{4\})$

It is known that,

$[x]$ =the greatest integer <=x

Then,

$f(x)=\big[\frac{x}{2}\big]$

$\implies x=f^{-1}(\big[\frac{x}{2}\big])$

Taking x=8 we get,

$f^{-1}(\big[\frac{x}{2}\big])=x$

$\implies f^{-1}(\big[\frac{8}{2}\big])=8$

$\implies f^{-1}([4])=8$

$\implies f^{-1}(\{4\})=8$ ( Since [4]=4 )

Hence the value of $f^{-1}(\{4\})$ is 8.

7 0

3 years ago