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Ann [662]
4 years ago
11

Which statement is true about the graphs of the two lines y=-8x-5/4 and y=1/8x+4/5

Mathematics
1 answer:
olya-2409 [2.1K]4 years ago
7 0

Answer:

First option

The lines are perpendicular to each other because -8 and 1/8 are opposite reciprocals of each other

Step-by-step explanation:

y = -8x - 5/4; slope = -8

y = 1/8 x + 4/5; slope = 1/8

Perpendicular lines, slope is opposite and reciprocal.

So both lines are perpendicular to each other because -8 and 1/8 are opposite reciprocals of each other

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What is the value of x? Show work.
ella [17]

Answer:

x=5

Step-by-step explanation:

This is because the inscribed angle of the circle or angle EFG is equal to the twice of the degree of the arc EG. Therefore, we can create this equation:

12+40=2(8x+10)

12+40=16x+20

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5 0
3 years ago
How many sides angles and vertices does a rectangular prism have?
ch4aika [34]
Rectangular prisms have 6 sides, 8 vertices, and 12 edges 
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4 years ago
The sum of 6 consecutive integers is 519.
worty [1.4K]

One way to do this is to consider what the average of these integers is. It would be 519/6, or 86.5. This means the six integers are "centered" around 86.5: they would be 84, 85, 86, 87, 88, and 89 (there are three numbers greater than 86.5 and three less than 86.5 in this list).

6 0
3 years ago
Michael, Leo and JuWoong collect stamps. The ratio of the number of Michael's stamps to JuWoong's stamps is 2:7. The number of J
Alisiya [41]

Answer:

990

Step-by-step explanation:

M/J = 2/7

J = 3/4 L

L = M + 396

7M = 2J

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L = 4/3(3.5M)

L = 14/3 M

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J = 3/4 × 504

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4 0
3 years ago
a local community sold 125 concert tickets recently. The dollar amount collected was $835. Adult tickets, A sold for $8 each and
musickatia [10]
Hi there!

Here, we know right off of the bat the 125t=$835m, with 't' being tickets and 'm' being money. The total for each ticket sold, be it adults and children, must equal $835 and 125 tickets sold.

We can write the equation so far as 125t=835m(8a+5c), *I think*. I've had a similar question before.

You can write a table for this to double check. Now, we need to know how many tickets were sold from both adults and children. Our new equation will look something like this, with 'x' being the number we have yet to calculate for how many tickets sold to each:

(xa+xc)125t=835m(8a+5c)

The thing I'll leave to you is to calculate exactly how many tickets were sold, as it's hard to use a table to graph that here. (hint!)

If you found this especially helpful, I'd appreciate if you'd vote me Brainliest for your answer. I want to be able to assist more users one-on-one! :)
3 0
3 years ago
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