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Korvikt [17]
3 years ago
12

Idk what I'm doing please help​

Mathematics
1 answer:
Sonbull [250]3 years ago
5 0

Answer:

776

Step-by-step explanation:

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In the past, the mean running time for a certain type of flashlight has been 9.2 hours. The manufacturer has introduced a change
ELEN [110]

Answer:

what are the hypotheses?

Step-by-step explanation:

you said the hypotheses are as folows its not there

6 0
3 years ago
In scientific notation, how can you tell if it is less than or greater than 1? Explain
svlad2 [7]

Answer: See below

Step-by-step explanation:

In scientific notation, you can tell that it is greater or less than 1 by looking at the exponent. The scientific notation looks like _.__×10⁻. Note: The little lines are blanks for you to fill in. The dot at the bottom is a decimal.

If the exponent on top of 10 is positive, you are moving the decimal to the right side, making the number greater.

If the exponent on top of 10 is negative, you are moving the decimal to the left side, making it smaller and smaller.

By those statements, you can tell if a number is greater or less than 1 by looking at the exponent.

7 0
3 years ago
PLEASE HELP EXPLAIN!!!!!
Nookie1986 [14]
I think( so correct me if i'm wrong).....Using the distance formula... D=Rate x Time, you alter it so that it equals time, since you want to find the number of weeks.
Time = Distance/ rate
SInce you start off at 2 and end up with 5, the total distance is 3 (I subtracted 5-2). And rate is already 12% (this is the iffy part, I'm not sure if you change the 12%  in anyway.... but lets move on)

SO Time= 3miles/ 12% which is 1/4 of a week, or possibly.....

Time = 3 miles/ 0.12 which would equal 25 weeks.....
Do they give you these answers?
4 0
3 years ago
What is the number of times a base is multiplied by its self indicated by an exponent
lozanna [386]

The question is worded a bit strangely (in my opinion anyway), but I think your teacher wants you to describe how exponents work.

Let's say we had the expression 5^3

The base is 5 as its the bottom most value (think of something like the base of a tree or building). The exponent is 3.

The exponent of 3 tells the reader to multiply the base 5 by itself 3 times like so

5^3 = 5*5*5 = 125

With larger exponents, it becomes more tedious to write out all the repeated multiplications, which is why many calculators have an exponent button to save time.

5 0
3 years ago
How to solve for axis of symmetry for y=(x+2)(x-4)
lianna [129]

Answer:

x = 1

Step-by-step explanation:

you can first find the two zeroes

that would be

x + 2 = 0

x - 4 = 0

x = {-2, 4}

then you average them

-2 + 4 = 2

2 / 2 = 1

the aos is 1

5 0
2 years ago
Read 2 more answers
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