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Semenov [28]
3 years ago
7

What is the slope of a trend line that passes through the points (5,80) and (7,65)?

Mathematics
1 answer:
umka21 [38]3 years ago
5 0

Answer:

Step-by-step explanation:

the slope would be -15/2

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In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq
soldi70 [24.7K]

Answer:

see explanation

Step-by-step explanation:

let pq = x

given oq - pq = 1 then oq = 1 + x

Using Pythagoras' identity, then

(oq)² = 7² + x²

(1 + x)² = 49 + x² ( expand left side )

1 + 2x + x² = 49 + x² ( subtract 1 from both sides )

2x + x² = 48 + x² ( subtract x² from both sides )

2x = 48 ( divide both sides by 2 )

x = 24 ⇒ pq = 24

and oq = 1 + x = 1 + 24 = 25 ← hypotenuse

sinq = \frac{opposite}{hypotenuse} = \frac{7}{25}

cosq = \frac{adjacent}{hypotenuse} = \frac{24}{25}



6 0
3 years ago
Please help With this one will give a lot of points
AlladinOne [14]

Answer:

not really sure can’t see the problem to good but C?

Step-by-step explanation:

hope this helped tho. cross multiple (btw if you search it on google it will help you)

8 0
3 years ago
Read 2 more answers
Simplify this expression. Write your answer using positive exponents.<br>​
storchak [24]
What expression ? There isn’t one
7 0
2 years ago
How can you tell Is something is a unit rate
ArbitrLikvidat [17]

Unit rate is a ratio between two different units with a denominator of one. When we divide a fraction's numerator by its denominator, the result is a value in decimal form. For example: 8/4 = 2 and 3/6 = 0.5. When we write numbers in decimal form, we can write them as a ratio with one as the denominator.

For example, we can write 2 as 2/1, and 0.5 as 0.5/1. However, since that approach can be a little clumsy, we usually drop the one. That said, it's important to remember the one is there, especially when working with unit rates.

For instance, 8 miles/4 hours = 2 miles/hour. Notice again that, while we did not include the 1, we did include the unit 'hour' Miles per hour is a familiar expression, as are unit rates such as:

interest/amount invested

revolutions/minute

salary/year

Conversationally, the word ''per'' indicates we are using a unit rate.

4 0
3 years ago
Corresponding solution for 3x-3(x+1)=3 plzzz answer quickly ​
Gekata [30.6K]
3x - 3(x + 1) = 3 \\ = > - 3(x + 1) = 3 - 3x \\ = > - 3(x + 1) = - 3(1 + x) \\

Hence,

x is cutting each other in this equation.

So, x can be of any value.i.e.,infinite.

Hope this will help you. 

If you like my answer. Please mark it as brainliest  And  Be my follower if possible.
6 0
3 years ago
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