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Anarel [89]
3 years ago
9

Joe's final exam has true/false questions, worth 2 points each, and multiple choice questions, worth 5 points each. Let x be the

number of true/false
he gets correct, and let y be the number of multiple choice questions he gets correct.
He needs more than 90 points on the exam to get an A in the class. Using the values and variables given, write an inequality describing this.
Mathematics
1 answer:
mixer [17]3 years ago
7 0

This is the inequality

2x + 5y ≥ 90

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Answer:

C

Step-by-step explanation:

there are infinitely many solutions since different values of x and y will work for this simultaneous equation

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How do you find volume.<br><br><br><br><br><br> a. l x w<br> b. l x b x h<br> c. l x w x h
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The answer is C. L x W x H.

Hope this helps!

4 0
2 years ago
triangle ABC is shown in the diagram. The links of the sides are in terms of the variable n, where n &gt;4. complete the inquali
Blababa [14]

9514 1404 393

Answer:

  m∠B < m∠A < m∠C

Step-by-step explanation:

We can work with the triangle inequality to find that the side measures form a triangle when n > 5/4. For the given value of n ≥ 4, we don't need to be concerned with whether a triangle is formed or not.

For n = 4, the side lengths are ...

  a = 2(4) = 8

  b = (4) +3 = 7

  c = 3(4) -2 = 10

The longest side is opposite the largest angle, so the ordering of angles is ...

  m∠B < m∠A < m∠C

_____

The triangle inequality requires all of these inequalities be true:

  • a+b > c   ⇒   3n+3 > 3n-2 . . . always true
  • b+c > a   ⇒   4n+1 > 2n   ⇒   n > -1/2
  • c+a > b   ⇒   5n-2 > n+3   ⇒   n > 5/4

That will be the case for n > 5/4. The attached graph shows the sides and angles keep the same order for n > 3.

5 0
2 years ago
Read 2 more answers
How many sqaure feet of carpet do you need will you need
kati45 [8]
12 ft I had the question the other day on online school :)
5 0
3 years ago
Express 25km/h into m/s?
Helen [10]

Answer:

3600(seconds) can also be expressed as 1(kilometer/hour) = 5/18 (meters/second), which is its simplified form. To convert km/h to m/s, directly multiply the given value of speed by the fraction 5/18.

Step-by-step explanation:

I think that explanation is obvious

7 0
2 years ago
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