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andrew-mc [135]
3 years ago
12

Sara was thinking of a number. Sara halves the number and gets an answer of 38.5. Form an equation with x for the information

Mathematics
1 answer:
lbvjy [14]3 years ago
4 0

Answer:The equation wth x in the information can be written as

1/2 x = 38.5 , Upon solving, the number = 77

Step-by-step explanation:

Let the number Sara was thinking about be x

halving the number to get an answer = 38.5 can be expressed as

 1/2 X = 38.5

The equation with x in the information can be written as

1/2 x = 38.5

solving it becomes

1/2 x= 38.5

x = 38.5 x 2

x=77

The number Sara was thinking about = 77

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Answer: -2511 (if the periods mean multiplication)

Step-by-step explanation:

I’m not sure whether you’re trying to have the periods be multiplication, but if that’s what they are, this is the answer

5x10-2x8x16x10-1

50-16x160-1

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-2511

Again, I’m not sure if that’s what you mean but I can’t really see what else they would mean since you can’t have a 3 part decimal

5 0
3 years ago
A sequence is defined recursively by the formula f(n+1)=-2f(n). The first term of the sequence is -1.5. Whis is the next term in
podryga [215]
We are told that f(1) = -1.5, and that f(n+1) = -2f(n).
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3 0
3 years ago
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podryga [215]

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Step-by-step explanation:

7 0
2 years ago
1. Find the ratio of of 25cm and 1m .<br> 2. Find the product of (a + 4)(a − 4).
mr Goodwill [35]

Answer:

1..

solution....

here given

25cm

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now,

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1:4

2....

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Step-by-step explanation:

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7 0
3 years ago
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mina [271]

Answer:

C) 6

Step-by-step explanation:

I converted the equation into slope-intercept form and then identified the y-intercept.

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C should be the correct answer.

Hope this helps.

3 0
2 years ago
Read 2 more answers
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