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RideAnS [48]
3 years ago
8

I NEED HELP REALLY FAST

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
5 0

Answer:

f(x)= x+3

Step-by-step explanation:

start by plugging in the x values to see if they equal y

f(x)= x+3

f(x)= 2+3

f(x)=5

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A student taking a test consisting of 10 questions is told that each questions after the first is worth 2 marks more than the pr
KengaRu [80]

Answer:

Student can obtain 15 marks by attempting 8 questions.

Step-by-step explanation:

This question is incomplete; complete question is here.

A student taking a test consisting of 10 questions is told that each questions after the first is worth 2 marks more than the preceding question. If the third question of the test is worth 5 marks.What is the maximum score that the student can obtain by attempting 8 questions?

A students when attempts the questions the sequence formed by the scores he gets will be in the form of a, (a + 2), (a + 4), (a + 6)........

Which will be an arithmetic sequence with a common difference = 2

We know explicit formula of an arithmetic sequence is

T_{n}=a+(n-1)d

Where T_{n} = First term of the sequence

a = first term

n = number of term

d = common difference

It is given that 3rd term of this sequence is 5.

5=a+(3-1)2

a = 5 - 4 = 1

Explicit formula for the sequence will be T_{n}=1+(n-1)2

T_{n}=2n-1

Now if the student attempts 8 questions then from the explicit formula

T_{8}=8\times 2-1

T_{8}=15

Therefore, student can obtain 15 marks by attempting 8 questions.

6 0
4 years ago
A food service worker Ernst $12 per hour how much money M does the worker earn on a shift of H hours
Anton [14]

Answer:

the answer is $12 .... 1 hour

If you would like to know how much money does the food service worker earn on a shift of h hours, you can calculate this using the following step:

you have to multiply $12 by h hours: $12 * h hours

Result: $12 * h.

plz mark me as brainly

Step-by-step explanation:

4 0
3 years ago
What is the range of the function ok the graph
alexandr1967 [171]
The answer is the last answer choice:
all the real numbers greater than or equal to 2

The range of a function is all the possible y values of a function. From the function you see on the left side, it shows that the lowest value is at (1, 2) and from there it doesn't go any lower meaning all the values will be higher than 2 for the y value.
3 0
4 years ago
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fenix001 [56]
24 m  is the correct answer for your question
       
4 0
4 years ago
Read 2 more answers
Find the length of the missing side of the right triangle
Fed [463]
23 and 31 would be thee answer



7 0
3 years ago
Read 2 more answers
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