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Zinaida [17]
3 years ago
11

HELLOO HELPPP PLS I NEDD ON 2,3

Mathematics
1 answer:
Kobotan [32]3 years ago
4 0

For number 2, you set up a proportion, which in this case, is 17/1 = w/6.

To get w by itself you need to get rid of the 6 in the denominator by canceling it out buy multiplying by the reciprocal.

Your new equation should be 6/1 = 17/1 or 17.

You then multiply 6 and 17 to get a total of 102

Hope this helps!

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PLS HELP WITH THE QUESTION IN THE PICTURE!!!
Ksivusya [100]

Answer:

D

Step-by-step explanation:

Interesting question.  The wording is a bit awkward. I think you have to assume the base is a square and each succeeding base is also a square.

So the first thing to do is to add the bases together.

30*30 + 23*23 + 16*16 + 9*9

Don't add these -- not yet.

Now take the height into consideration

6 *(30*30 + 23*23 + 16*16 + 9*9)

The point is that you only have to multiply by 6 once.

6*(900 +  529 + 256 + 81)

6*(1766)

10596 cubic inches

The answer is D

5 0
3 years ago
Find the median. Round to the nearest tenth if necessary.
neonofarm [45]

Answer:

The median refer to the middle

value or number when arranged ascendingly or descendingly therefore the MEDIAN IS 36.8

Step-by-step explanation:

By arranging the numbers ascendingly we have

5.9, 11.2, 13.9, 16.6, 22.9, 36.8, 43.1, 43.7, 44.2, 45.1, 49

Therefore the median which is the number at the centre is 36.8

5 0
3 years ago
A seven digit telephone number is of the form ABC-DEFG. In one particular state, the
yKpoI14uk [10]

Answer:

Choice B. 5,114,880 (There's a digit missing in the problem.)

Step-by-step explanation:

You must see the number of choices you have for each digit. Then you multiply all those numbers of choices together.

There are 7 digits in the phone number, so you will be multiplying 7 numbers together.

_ * _ * _ * _ * _ * _ * _

First digit: any digit except 8 and 9.

Since you exclude 2 digits from the 10 possible digits, there are 8 choices left.

8 * _ * _ * _ * _ * _ * _

Second and third digits: any digit from 1 and 8.

Any digit from 1 to 8 means: 1, 2, 3, 4, 5, 6, 7, 8. That means there are 8 choices.

8 * 8 * 8 * _ * _ * _ * _

Last four digits: no restrictions (for now), so there are 10 choices for each digit. We will deal with the restriction of 4 equal digits below.

8 * 8 * 8 * 10 * 10 * 10 * 10

The product of the 7 numbers above is:

8 * 8 * 8 * 10 * 10 * 10 * 10 = 5,120,000

The last 4 digits cannot all be thee same. There are 10 ways they can all be the same: 0000, 1111, 2222, 3333, 4444, 5555, 6666, 7777, 8888, 9999.

Each of the combinations of the first 3 digits cannot have 10 combinations of equal digits.

The number of combinations of the first 3 digits is: 8 * 8 * 8 = 512.

Each of these 512 combinations cannot have 10 combinations of equal digits for the last 4 digits. 512 * 10 = 5120.

We must subtract 5120 from 5,120,000 to find the final answer.

5,120,000 - 5120 = 5,114,880

6 0
2 years ago
Read 2 more answers
Which math property is used in the expression below?
worty [1.4K]

Answer:

Distributive

Step-by-step explanation:

3 0
2 years ago
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Shelly is a biologist who wants to determine the growth rate of a strain of bacteriaShelly puts 85 bacteria into a controlled en
erik [133]

The hourly growth rate of bacteria is 191.25

<u>Solution:</u>

Given that, initially Shelly put 85 bacteria and waits 4 hours

Amount of bacteria after 4 hours = 850

Now, number of bacteria increased = 850 bacteria – initial 85 bacteria  

Number of increased bacteria = 850 – 85 = 765 bacteria.

So, 765 bacteria were produced in 4 hours.

So hourly growth rate( per hour) can be found out by as follows:

\text { Hourly growth rate }=\frac{\text { number of bacteria increased }}{\text { number of hours }}

\text { Hourly growth rate }=\frac{765}{4}=191.25

Hence, the hourly growth rate of bacteria is 191.25

4 0
3 years ago
Read 2 more answers
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