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Zielflug [23.3K]
2 years ago
5

1. If y varies directly as x and y=13 when x=23.4, find y when x=9.

Mathematics
1 answer:
pychu [463]2 years ago
8 0

Answer:

1. y = 5

2. y = 15

Step-by-step explanation:

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In a triangle HIJ, i = 6.6 inches, j = 6.4 inches and Angle,H=62º. Find the length of h, to the
sweet [91]

Answer:

7.6 inches

Step-by-step explanation:

We solve the above question using the Law of Cosines.

The formula is given as:

h² = i² + j² - 2ij Cos H

h = √i² + j² - 2ij Cos H

From the above question:

i = 6.6 inches

j = 6.4 inches

Length h = ?

Angle H=62º.

Hence:

h= √6.6² + 6.4² - 2 × 6.6 × 64 × Cos 62

h = √43.56 + 40.96 - 84.48 × Cos 62

h = 7.64292 inches

Approximately to the nearest tenth, Length h = 7.6 inches

8 0
3 years ago
Write a number with one decimal place,that is bigger than 6 4/5 but smaller than 7 how can I solve this
statuscvo [17]
Hello!

The easiest way to solve this would be to convert 6 4/5 to a decimal. We know that to convert a fraction to a decimal, we must divide the numerator by the denominator. 

4 / 5 = 0.8 

0.8 + 6 = 6.8

So, 6 4/5 is 6.8 as a decimal. 

See how it's easier now that we've converted the mixed number to a decimal? 

There could be many numbers between 6.8 and 7. Some examples are: 

6.81, 6.82, 6.83, 6.9, etc. 




7 0
3 years ago
I guessed “doesn’t matter” but I really want to know why it might be that
chubhunter [2.5K]
I'm sorry, but the spinner that you choose does matter in this case.

For spinner A, there are 5 equal sections with a 1 being in only one of them as well. This gives you a \frac{1}{5} chance of landing on the number 1.

For spinner B, there are 6 equal sections with a 1 being in only one of them. This gives you a \frac{1}{6} chance of landing on the number 1 - a worse chance than if you were to use spinner A.

So for this question, you have a better chance of landing on number 1 if you choose to use spinner A.
5 0
3 years ago
Consider reflection of JKL what line of reflection maps point L to point L at (-2,3)
yawa3891 [41]
It’s y-axis for the first answer and the other one it’s
3 0
3 years ago
6sacks of potatoes weigh 122.4 kg and 4 sacks of onions weigh 50 kg. What is the total amount of 1 sack of potatoes and 1 sack o
lys-0071 [83]

Answer: See explanation

Step-by-step explanation:

6 sacks of potatoes weigh 122.4 kg

1 sack would weigh 122.4 kg ÷ 6

122.4 ÷ 6 = 20.4

1 sack of potatoes weighs 20.4 kg

4 sacks of onions weigh 50 kg

1 sack would weigh 50 kg ÷ 4

50 ÷ 4 = 12.5

1 sack of onions weighs 12.5 kg

4 0
2 years ago
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