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Tomtit [17]
3 years ago
10

What is the explicit rule for the sequence? 10.5, 9, 7.5, 6, 4.5, 3, ...

Mathematics
1 answer:
makvit [3.9K]3 years ago
6 0
Answer: the rule is to add 1.5

3 + 1.5 = 4.5
4.5 + 1.5 = 6
6 + 1.5 = 7.5
etc...
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7 0
2 years ago
The graphs of the equation y = 4x + 1 and y - kx = 10 are perpendicular when k = _______?
Ann [662]

Answer:

k=-\frac{1}{4}

Step-by-step explanation:

we have

Line 1

y=4x+1

Equation in slope intercept form

The slope is equal to

m_1=4

Line 2

y-kx=10

y=kx+10

Equation in slope intercept form

The slope is equal to

m_2=k

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of the slopes is equal to -1)

so

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substitute

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3 0
3 years ago
What is 5/8 -(1/4)2 equals?
Arturiano [62]
Order of operations 

5/8 = 0.625
 1/4 = 0.25 

0.25*2 = 0.5 

0.625-0.5 = 0.125 

so the final answer is 0.125
5 0
3 years ago
The following relation is a function: {(-8, – 9), (-4, 5), (1, 5), (4, 7)}
Nookie1986 [14]

Answer:

Yes

Step-by-step explanation:

The following relation is a function. When graphed, it passes the vertical line test, and you don't go across any two points at the same time. So therefore, it is a function. Another easy way to determine if the relation is a function is by taking a look at the x-coordinates. If any x-coordinates are the same, then it's not a function. If all x-coordinates are the same, then it's a function.

Hope this helps. Please mark brainliest.

5 0
3 years ago
Which of the following are true about dilation
Blizzard [7]

Answer:

All of them are true except D.

Step-by-step explanation:

4 0
2 years ago
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