3 years ago

0.15 + 0.1x = 1.1 ÷ 3 · 5.1 − 1.2

Mathematics

1 answer:

Eva8 [605]3 years ago

3 0

X=5.2

No way I’m going to type all that in lol

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I don’t understand how to do this

schepotkina [342]

Answer:

The solution is $x =0.$

Step-by-step explanation:

The equation

$\bold{(1).}\: sin(\dfrac{3\pi }{2} +x)+sin(\dfrac{3\pi }{2} +x) =-2$

can be rewritten as

$2* sin(\dfrac{3\pi }{2} +2) =-2$

and can be further simplified to

$sin(\dfrac{3\pi }{2}+x ) =-1$ .

Now, taking the inverse sine of both sides we get:

$sin^{-1}(sin(\dfrac{3\pi }{2} +x) =sin^{-1}(-1)$

$\bold{(2).}\: \dfrac{3\pi }{2} +2 =sin^{-1}(-1)$

The value of the right side on the interval $[0,2\pi)$ is

$sin^{-1}(-1) = \dfrac{3\pi}{2} \: \:( \text{or }270^o)$ ,

which makes the equation (2)

$\dfrac{3\pi }{2}+x =\dfrac{3\pi}{2}$

solving for $x$ gives

$\boxed{x = 0}$

which is our solution.

4 0

3 years ago

7/8 - 5/12 ayudaaa por favor es para mañana

RUDIKE [14]

7/8 = 21/24
5/12 = 10/24

21/24-10/24 = 11/24

3 0

3 years ago

Ind the slope and y intercept of -9x+3y=5

Radda [10]

Answer:

first, you need to get y on one side. So, because the x is negative it becomes positive when you switch it to the other side. 3y= 9x+5. You then need to divide all parts by 3. 3/3= 1 so thats just y. 9/3 is 3 so thats 3x. then 5/3 is a fraction that you can write as just 5/3 or 1 and 2/3. That would leave you with y= 3x + 5/3. Then x (3) is your slope. and what you add to it (5/3) is your y int.

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3 years ago

A hotel purchases 150 bath towels for 1,800. The hotel later purchases 40 more bath towels for x. If the unit cost remains the s

olga2289 [7]

1800/150 = 12
12*40 = 480
480 dollars

8 0

3 years ago

Read 2 more answers

Express using algebra.

Scorpion4ik [409]

Answer:

1/3 of the original