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3 years ago

15

Please help me I'm stressing out anyone that's not done or you think that I'll need help with

2 answers:

Nataliya [291]3 years ago

5 0

1. 7.25
2. 6.125
3. 3.4
4. 0.15
5. 77
6. 2.15
7. 33.16
8. 1.95
9. 19
10. 0.3
11. 6.2
12. 405
13. 250
14. 11.8

joja [24]3 years ago

4 0

9)19
11)6.2
13)250
4)0.15
6)2.15
8)1.95
10)0.3
12)405
14)11.8

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How would 3,050,000 be expressed in scientific notation?

BartSMP [9]

Scientific notation is written as #.## x 10^#.
Our number, 3,050,000, needs to be written in scientific notation.
The best way to write scientific notation is by "#.## x 10^#".
In this case, it will be 3.05 x 10^#, # being the amount of times we move the decimal to the right. We have moved it 6 times to the right, so our expression is:
3.05 x 10^6.
I hope this helps!

3 0

4 years ago

Read 2 more answers

Can someone help me on number 13? ASAP! :)))

kvv77 [185]

Put the photo or we will not know the answer

6 0

3 years ago

Find the explicit formula for a 1 =-4,a n =a n-1 +9,n>=2

Mrrafil [7]

Given:

$a_1=-4$ and $a_n=a_{n-1}+9$ where $n\geq 2$ .

To find:

The explicit formula for the given recursive formula.

Solution:

We know that recursive formula of an AP is:

$a_n=a_{n-1}+d$

Where, d is the common difference.

We have,

$a_n=a_{n-1}+9$

Here, d=9.

The first term of the AP is $a_1=-4$ .

The explicit formula for an AP is:

$a_n=a_1+(n-1)d$

Substituting $a_1=-4$ and $d=9$ , we get

$a_n=-4+(n-1)9$

$a_n=-4+9n-9$

$a_n=-13+9n$

Therefore, the required explicit formula for the given sequence is $a_n=-13+9n$ .

6 0

3 years ago

Can someone help me with this? I don't understand?

shutvik [7]

Answer:

Step-by-step explanation:

∛(1000)² = find the cubed root of 1000 squared 1000 times 1000

∛1,000,000 = ∛ (100 x 100 x 100) = 100

But I think they want use to use exponents to solve the problem

1000^2/3 recall 1000 = 10^3 which is 10x10x10

replace 1000 with 10^3

so

(10^3)^2/3 exponents multiple and divide some rule as I recall

you look it up in your book or on your computer

10^(3)(2)/(3) the 3s divide to 1 leaving the 2 in the exponent

= 10^2 which is 10² which is 100

6 0

3 years ago

Jon has to pay $7.00 admission for the skating rink in $1.50 per hour to rent rollerblades. How many hours can he skate for $19?

eduard

Answer: 8 hours

Step-by-step explanation:

<u>Given information</u>

Admission fee = $7.00

Hour rent fee = $1.50

Number of hours = h

Total fee = $19

<u>Set equation according to the given information</u>

Total fee = admission fee + (hours) × (hour rend fee)

<u>Substitute values into the equation</u>

19 = 7 + 1.5h

<u>Subtract 7 on both sides</u>

19 - 7 = 7 + 1.5h - 7

12 = 1.5h

<u>Divide 1.5 on both sides</u>

12 / 1.5 = 1.5h / 1.5

$\boxed{h=8}$

Hope this helps!! :)

Please let me know if you have any questions

5 0

3 years ago