Solve for x in the diagram below.

Mathematics

1 answer:

SVEN [57.7K]3 years ago

6 0

Step-by-step explanation:

x+(3x+10)=90

4x+10=90

4x=80

x=20 Ans

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Any help someone....<br> (solve triangles using the law of sines)

gogolik [260]

Answer:

$B=51$ °

Step-by-step explanation:

Use the Law of Sines as follows:

$\frac{sinC}{c} =\frac{sinB}{b}$

Insert the appropriate values:

$\frac{sin100}{14} =\frac{sinB}{11}$

Isolate B. Multiply both sides by 11:

$11*(\frac{sin100}{14} )=11*(\frac{sinB}{11})\\\\\frac{11*sin100}{14} =sinB\\\\sinB=\frac{11*sin100}{14}$

Use the inverse:

$B=sin^{-1}(\frac{11*sin100}{14})$

Insert the equation into a calculator and round to the nearest degree:

$B=50.7\\\\B=51$

Angle B is 51°.

:Done

7 0

4 years ago

I'm not sure with this pls help....asap....I really need help fasttt please.....I'll mark brainliest!!!!!!

sesenic [268]

Answer:

Im pretty sure the first is -2 and -3. then -4 and-10

Step-by-step explanation:

thats all i know srry

7 0

3 years ago

Read 2 more answers

Gravel is being dumped from a conveyor belt at a rate of 40 ft3/min, and its coarseness is such that it forms a pile in the shap

ikadub [295]

The height is increasing at the rate of (6/5π) ft/min.

It is given that Gravel is being dumped from a conveyor belt at a rate of 40 ft3/min. Also, its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal.

For this, we need to find the volume of a cone. Volume is a scalar quantity expressing the amount of three-dimensional space enclosed by a closed surface.

The volume of a cone is - V=1/3hπr²

Learn more about integers here: brainly.com/question/20521181

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