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Serjik [45]
3 years ago
9

7,7.5,8,8.5,9 common difference

Mathematics
2 answers:
raketka [301]3 years ago
3 0

Answer:

0.5

Step-by-step explanation:

9-8.5

=0.5

zhannawk [14.2K]3 years ago
3 0

Answer:

.5

Step-by-step explanation:

subtract 7 from 7.5 to get .5

to prove your answer subtract 8.5 from 9

subtract any from the left to the one to the immediate right to get .5

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The answer will be y=-5/2x+5
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Why do you multiply before you add or subtract?
Anni [7]
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A survey of 250 adults found that during the last year, 70 traveled by plane but not by train, 70 traveled by train but not by p
11111nata11111 [884]
<h2>Answer:</h2>

<em><u>People who didn't travel by any mode = 45</u></em>

<h2>Step-by-step explanation:</h2>

In the question,

Total number of people included in survey = 250

People who traveled by plane but not by train = 70

i.e.

a + e = 70

People who traveled by train but not by plane = 70

i.e.

c + d = 70

People who traveled by Bus but not by Plane or Train = 20

i.e.

f = 20 ..........(1)

People who traveled by bus and plane both = 45

i.e.

e + g = 45

People who traveled by all three = 20

i.e.

g = 20

People who traveled by Plane or Train = 185

i.e.

a + b + c + d + e + g = 185 ........(2)

So,

e = 45 - g = 45 - 20 = 25

e = 25

Now, on putting in eqn. (2) we get,

a + b + c + d + 25 + 20 = 185

a + b + c + d = 140 .......(3)

Now,

We need to find out,

Number of people travelling with any of these three is,

a + b + c + d + e + f + g

So,

On putting from eqn. (3) and (1), we get,

a + b + c + d + e + f + g = 140 + 25 + 20 + 20 = 205

So,

Number of people who didn't travel by any mode =Total people - Number of people travelling by any three

<em><u>People who didn't travel by any mode = 250 - 205 = 45</u></em>

5 0
3 years ago
Please help me What is the domain of the function y=2 square root x- 6
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Answer: Mark me brainliest..

Step-by-step explanation: and imma put the answer inside the comments if you do so. youve got nothing to lose! :D

3 0
3 years ago
The slope of a linear function h(x) is 2. Suppose the function is translated 8 units up to get d(x) How can h(x) be translated t
9966 [12]

The h(x) should be Left 4 units translated to the left or right to represent the same function d(x).

<h3>What is a function?</h3>

The function is a type of relation, or rule, that maps one input to specific single output.

Calculation of h(x) that need to be translated:

h(x) represents a line with slope 2.  

Let's assume it has y-intercept b so,

h(x) = 2x + b

d(x) represent h(x) shifted up 8 units.  

So,

d(x) = h(x) + 8

d(x) = 2x + b + 8

Now

h(x−a) = d(x)

2(x−a) + b = 2x + b + 8

2x − 2a + b = 2x + b + 8

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a = -4

Since a is negative, so the shift is to the left to represent the same function d(x) .

Learn more about the function here:

brainly.com/question/16995471

#SPJ1

6 0
1 year ago
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