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Tom [10]
3 years ago
10

Help PLEASEEEEE ,,,,,,,,!!!!!!

Mathematics
2 answers:
Olegator [25]3 years ago
8 0

Answer:

The answer is D

Step-by-step explanation:

I did the test recently

dangina [55]3 years ago
6 0

Answer:

I think maybe the 4th one

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Homework - Pure Year 1 - Chapter 11B
ycow [4]

Answer:

|F net| = 20.22 N

θ ≈ 19.8°

Step-by-step explanation:

F net = 15N i + 8cos(60°)N i + 8sin(60°)N j

= 15N i + 8×½N i + 8×√3/2N j

= 15N i + 4N i + 4√3N j

= 19N i + 4√3N j

|F net| = √(19²+(4√3)²) = √(361+48) = √409 ≈ 20.22N

tan(θ) = 4√3 ÷ 19 ≈ 0.36 → θ ≈ arctan(0.36) = 19.8°

5 0
2 years ago
The ratio of lime juice to orange juice in a drink is 3:8. How much orange juice is used in 50 L of the mixture?
andreyandreev [35.5K]

4 6/11 is the value of 1 part of the ratio (1). 13 7/11 of the muxture is orang juice, in litres.

6 0
3 years ago
What is angle D equal??
olganol [36]
63% Please Give me Brainlyest
7 0
3 years ago
Help me, and Marcus we need it
saw5 [17]
This is not middle school work
6 0
3 years ago
Read 2 more answers
Select the correct answer from each drop-down menu.
RSB [31]

Evidence are simply facts to support a claim, while counterexamples are instances to show the contradictions in a claim

<em>The question is incomplete, as the required drop-down menus are missing. So, I will give a general explanation</em>

<em />

To show that a statement is true, you need evidence.

Take for instance:

\mathbf{if\ a^2 = 4,\ then\ a = 2}

The evidence that the above proof is true is by taking the <em>squares of both sides of </em>\mathbf{a = 2}

\mathbf{a^2 = 2^2}

\mathbf{a^2 = 4}

However, a counterexample does not need a proof per se.

What a counterexample needs is just an instance or example, to show that:

\mathbf{if\ a^2 = 4,\ then\ a \ne 2}

An instance to prove that: \mathbf{if\ a^2 = 4,\ then\ a = 2} is false is:

\mathbf{a = -2}

Hence, the complete statement could be:

<em>In a direct proof, evidence is used to support a proof . On the other hand, a counterexample is a single example that shows that a proof is false.</em>

<em />

Read more about evidence and counterexample at:

brainly.com/question/88496

5 0
2 years ago
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