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Anna71 [15]
3 years ago
7

A test has three true false questions. Find the total number of ways you can

Mathematics
1 answer:
irakobra [83]3 years ago
5 0

Answer:

8

Step-by-step explanation:

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2 The points (-15, -3) and (-7, -1) both
hammer [34]

Answer:

The rate of change of f(x) with respect to x is 1/4

Step-by-step explanation:

What this question simply ask is to find the slope of the line that passes through the two points

to find this, we use the slope equation

we have this as;

m= (y2-y1)/(x2-x1)

(x1,y1) = ((-15,-3)

(x2,y2) = (-7,-1)

m = (-1 + 3)/(-7 + 15) = 2/8 = 1/4

3 0
3 years ago
6. Sarah counted her heartbeats after running. In 20 seconds, she counted 45 heartbeats. At that rate, what was her number of he
borishaifa [10]

20×3 is 60 and if Sarah counted 45 beats in 20 seconds you'd multiply 45 by 3 so it would be 135.

5 0
3 years ago
Read 2 more answers
Help plz consider the sequence {4,6,8,10...}Find the explicit formula that defines the sequence. A) an = 2n + 2 B) an = 2n + 4 C
Alex777 [14]

A

this is an arithmetic sequence whose n th term ( explicit formula) is

a_{n} = a_{1} + (n - 1 )d

where d is the common difference and a_{1} the first term

here d = 10 - 8 = 8 - 6 = 6 - 4 = 2 and a_{1} = 4, hence

a_{n} = 4 + 2(n - 1 ) = 4 + 2n - 2 = 2n + 2 → A


8 0
4 years ago
Describe how to write 3,482,000,000 in scientific notation.
devlian [24]
It needs to be a number multiplicated by 10 with a round power. With your number, s
you should write it like that : 3.482000000x10^9 (if your zeros are significant, otherwise 3.482x10^9) OR 3.482000000G (for Giga=1×10^9)
6 0
4 years ago
PLEASE HELP <br><br> 80<br><br> –30<br><br> 23<br><br> 30
lara31 [8.8K]

Step-by-step explanation:

6m+15n-12p/n where m=-3.5, n=4 and p=3

6(-3.5)+15(4)-12(3)/4=-21+60-36/4

-21+60-9=-30+60=30

7 0
3 years ago
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