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SVETLANKA909090 [29]
3 years ago
7

I need help i’m not good at math

Mathematics
1 answer:
trasher [3.6K]3 years ago
5 0

Answer:

c

Step-by-step explanation:

to write in scientific notation, the number has to be less than 10 but more than one

so for the given number let’s say there’s a decimal at the end

49,010,000.

to move the decimal to the right of 4, we’re moving 7 places

that’s why once the number is

4.901

we write a x10^7 after because you have to move the decimal 7 places to the right to get it back to the original number

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If f(x)=x^2 and g(x)=1/2x+3 find g(f(-1))
telo118 [61]

Answer:

1/5

Step-by-step explanation:

F(x)=x^2

g(x)=1/(2x+3)

g(f(-1))=?

x=-1→f(-1)=(-1)^2→f(-1)=1

g(f(-1))=g(1)=1/[2(1)+3]=1/(2+3)→g(f(-1))=1/5

8 0
3 years ago
Read 2 more answers
Which fraction is closer to 1 than 0
Mrrafil [7]
For some reason, you're not letting us see the choices,
so I can only give you a most general answer:

-- Any positive fraction greater than  1/2  is closer to  1  than it is to  0 .

-- No negative fraction is.
4 0
3 years ago
5) Which one of the following proportions is NOT true?*
Tpy6a [65]
The second one, 69/24 = 23/8 and cannot be simplified further
6 0
3 years ago
Lakisha had $10 dollar bills and $1 bills in her wallet. She used seven bills to buy a pair of shoes for $43. How many of each t
daser333 [38]

Answer:

She spent 4 $10 bills and 3 $1 bills

Step-by-step explanation:

She used 7 bills and you have 3 $1 that makes the 3 of 43 then 4 $10 bills adds up to 40 so add 40 and 3 together you get the price of the shoes and if you add the 4 $10 bills and the 3 $1 bills you get 7

5 0
3 years ago
Read 2 more answers
Please help is for now
telo118 [61]

Answer:

2

Step-by-step explanation:

Given:

-2(1-4x)=3x+8

Let's distribute the parenthesis

-2+8x=3x+8

Let's subtract -3x from both sides

-2+5x=8

Let's add 2 to both sides

5x=10

Now, let's divide both sides by 5 to get x alone

x=2

Hope this is helpful

7 0
3 years ago
Read 2 more answers
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