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erik [133]
3 years ago
5

The density of a certain material is such that it weighs 8 pounds for every 8.5 cups of

Mathematics
1 answer:
alisha [4.7K]3 years ago
8 0
You will have to go step by step
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If m∠EBD= 4x - 8 and m∠EBC= 5x + 20, find the value of x and m∠EBC.
coldgirl [10]

Answer:

-28 = x

Step-by-step explanation

[5x + 20] + [4x - 8] = 180

9x + 12 = 180

- 12 -12

______________

9x = 168

18⅔ = x

m∠EBC = 5[18⅔] + 20 = 113⅓

93⅓

You will get a negative answer if you set them equal to each other, which is not allowed when you are talking about <em>length</em><em>.</em>

I hope this is correct, and as always, I am joyous to assist anyone at any time.

4 0
3 years ago
How is the Expanded Notation Method used for 82 times 3
MaRussiya [10]
80X3 PLUS 2x3 that is awnser

                                                                                                                                 
7 0
3 years ago
Read 2 more answers
I NEED HELP PLEASE ASAP!!! :)
erik [133]

Answer:

  r = 6.4/(1+sin(θ))

Step-by-step explanation:

As the attachment shows, for the given directrix and eccentricity, the equation is ...

  r=\dfrac{ed}{1+e\sin{\theta}}\\\\r=\dfrac{1.6\cdot 4}{1+1.6\sin{\theta}}\\\\\boxed{r=\dfrac{6.4}{1+\sin{\theta}}}\qquad\text{matches the 2$^{\text{nd}}$ choice}

7 0
3 years ago
Instructions: Find the area of the sector. Round your answer to the nearest tenth.
likoan [24]

Answer:

75.7m^2

Step-by-step explanation:

\frac{30}{360}  \times \pi {r}^{2}  \\  \frac{30}{360}  \times  \frac{22}{7}  \times  {17}^{2}  \\  \frac{1}{12}  \times  \frac{22}{7}  \times 289 \\ 75.6904761905 = 75.7

4 0
3 years ago
5b8c3<br> The degree of the monomial is?
KonstantinChe [14]

Answer:

<u>8</u>

Step-by-step explanation:

The given monomial is :

  • <u>5b⁸c³</u>

<u />

The degree of the monomial is the highest power to which a variable is raised to in the monomial. The greatest power in this case belongs to b⁸, which has a power of 8.

Hence, the degree of the monomial is <u>8</u>

5 0
2 years ago
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