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Sergio039 [100]
4 years ago
9

What is 7,000,000,000 in scientific notation?

Mathematics
1 answer:
AVprozaik [17]4 years ago
4 0
7.0 x 10^9 Is the answer
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Ten cookies and three brownies costs 11.25 six cookies and nine brownies costs 15.75 what is the cost of cookies
Dmitry_Shevchenko [17]

Answer:


Step-by-step explanation:

9x=15.75

x= 1.75 COST OF BROWNIES


3*1.75 X = 11.25

5.25 X = 11.25

COST OF ONE COOKIE= 2.14$

COST OF COOKIES: 6$$

7 0
3 years ago
If f(x) =5x + 12 what is f-1(x)
Olin [163]
To find the inverse of a function, first, let's switch f(x) with y

y=5x + 12

Now, change all the x's into y's and change all the y's into x's

x=5y+12

Now, let's solve this equation in terms of y.

Subtract both sides by 12

x-12 = 5y

Divide both sides by 5

\frac{x}{5} -  \frac{12}{5} =y

Flip the equation so we have the y on the left

y=\frac{x}{5} - \frac{12}{5}

Now, replace the y with f^{-1}(x)

f^{-1}(x)=\frac{x}{5} - \frac{12}{5}

That's your answer. If you need any clarifications, feel free to comment.

Have an awesome day! :)
6 0
4 years ago
if there’s two answers on this question, i’ll give whoever said it best & got the right answer brainliest✔
s2008m [1.1K]

Hello!

The key word in this is <em><u>After</u></em> walking 5 steps forward, Julie walked 5 steps backward

So, she walked forward 5 steps, then walked back the same steps, returning her to her starting position.

your answer is the second graph.

This graph shows what i explained: she starts at 0. goes forward 5, then back 5, returning her to 0.

I hope this helps, and have a nice day!

8 0
3 years ago
Read 2 more answers
Find the area of the shape shown below.<br> 3.5,2,2,2,2,5
natta225 [31]

Answer:

26.75

Step-by-step explanation:

It is 26.75 because if you split the traingle in half from the bottom to the top you look to find the area of each shape, so the sqaure has a measure of 2 by 2 so that is four then the smaller triangle has a measure of 2 by 2 but the formula for triangles are length times height divided by 2 and the area for that is 2. Then the other smaller triangle is 5 * 2 which is 10 then divide it by 2 so it is 5 so all together it is 9. then the area of the biggest triangle is 15.75

4 0
3 years ago
Write the equation of the line passing through point (-6,0) and perpendicular to y=3/2 x​
aksik [14]

Answer:

option c

Step-by-step explanation:

explaination is in pic below

3 0
3 years ago
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