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OverLord2011 [107]
3 years ago
9

Solve for the formula f=2gh. h=

Mathematics
2 answers:
Ksivusya [100]3 years ago
7 0
First you have to look to see if you can isolate h. to do this you need to divide 2g on both sidesmaking the equation into f/2g=h. 
just an extra little fact, we divide the 2g because it was multiplied as 2gh, to move it to the other side you do the opposite to it, therefore it being division :)
Andreas93 [3]3 years ago
3 0

Answer:  D) h =  

v2

2g

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sam paid $20 for two t-shirts. the price for each t-shirt was a multiple of 5. what are the possible prices of the t-shirts?
irina [24]
The possible answers are 15,5 and 10,10

5 0
3 years ago
The ratio of boys to girls at a movie is 3:4 . If there are 16 girls ​, how many boys are at the​ movie?
Annette [7]

Answer:

12 boys

Step-by-step explanation:

  1. Set up a proportion: \frac{3}{4} = \frac{x}{16}  
  2. Cross multiply, then divide: 3 × 16 = 48, 48 ÷ 4 = 12

I hope this helps!

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3 years ago
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In a word processing document or on a separate piece of paper, use the guide to construct a two-column proof proving AC > EF
VARVARA [1.3K]

<em>Answer:</em>

Complete proof is written below.

Facts and explanation about the segments shown in question :

  1. As BC = EF is a given statement in the question
  2. AB + BC = AC because the definition of betweenness gives us a clear idea that if a point B is between points A and C, then the length of AB and the length of BC is equal to the length of AC. Also according to Segment addition postulate, AB + BC = AC. For example, if AB = 5 and BC= 7 then AC = AB + BC → AC = 12
  3. AC > BC because the Parts Theorem (Segments) mentions that if B is a point on AC between A and C, then AC > BC and AC>AB. So, if we observe the question figure, we can realize that point B lies on the segment AC between points A and C.
  4. AC > EF because BC is equal to EF and if AC>BC, then it must be true that the length of AC must greater than the length segment EF.

Below is the complete proof of the observation given in the question:

<em />

<em>STATEMENT                              REASON  </em>

___________________________________________________

1. BC = EF                                    1. Given

2. AB + BC = AC                         2. Betweenness

3. AC > BC                                   3. Def. of segment inequality

4. AC > EF                                   4. Def. of congruent segments

<em />

<em>Keywords: statement, length, reason, proof</em>

<em> Learn more about proof from brainly.com/question/13005321</em>

<em> #learnwithBrainly</em>

4 0
3 years ago
Find the t-value such that the area in the right tail is 0.005 with 28 degrees of freedom.
klasskru [66]

Answer:

t = 3.673900

Step-by-step explanation:

Given

df = 28 -- degree of freedom

Area = 0.005

Required

Determine the t-value

The given parameters can be illustrated as follows:

P(T > t) = \alpha

Where

\alpha = 0.005

So, we have:

P(T>t) = 0.005

To solve further, we make use of the attached the student's t distribution table.

From the attached table,

The t-value is given at the row with df = 28 and \alpha = 0.005 is 3.673900

Hence, t = 3.673900

4 0
2 years ago
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