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Leokris [45]
3 years ago
14

15 - (-7) = ?? Please help if you know the answer can you maybe show work or explane how you got the answer thank you :)

Mathematics
1 answer:
Lena [83]3 years ago
5 0

Answer:

22

Step-by-step explanation:

since a negative times a negative equals a postive the equation becomes 15+7 which is 22

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I mark brainliest for all my questions that are answered right :) thx for helping me
allsm [11]
The correct answer is y= 0.513(1.833)^x


Explain


We will use the equation on this form

Y=ab^x

Let’s us plug in the coordinates of first point

(X, y) , ( 9, 120)

We will have

Y=ab^x

120= ab^9

Our equation for a will be

Ab^9 = 120

ab ^9 / b^9 = 120/ b^9


a = 120/ b^9

So will have


Y= 120/ b^9 • b^x

Then we will plug in coordinates for the second point


( x,y) = ( 10, 220)

We will have

Y= 120/b^9 • b^x

220 = 120/b^9 • b^10-9


220= 120b

Divide both side by 120

B= 11/6

B= 1.833333 = 1.833



Let’s plug in the value b=11/6 to our equation for a


A= 120/b^9

A= 120/ 11/6^9

A= 120/11^9/6^9


A=120 • 6^9 / 11^9

= 0.51285 which equal to 0.513



So therefore the answer is

Y= 0.513(1.833)^x


I hope this help you

:D
8 0
3 years ago
Can you simplify 37/80
Setler [38]

Answer:

Step-by-step explanation:

37 is prime, so it's not possible to reduce/simplify 37/80.  37/80 is the ratio of two integers.  We could, of course, use a calculator to find the decimal equivalent:  0.4625, but this is not more accurate than the ratio 37/80.

7 0
2 years ago
Sandeep has twice as much as sonia. together they have rs 150. how much does sonia have
Inga [223]

let sonia has the (x)

Sandeep would have twice as much as Sonia so (2x)

together they'd have 150.

so, x+2x=150

solve for X

3x=150

X=150/3

So x=50 is what Sonia has,

and Sandeep would have 2(50) =100

5 0
3 years ago
List the next four multiples of 3/5
zlopas [31]
What is the rule? Then i will know how to it
6 0
3 years ago
Simplify 7(n - p) + 5p.
andre [41]
7(n - p) + 5p
7n - 7p + 5p
7n - 2p 
8 0
3 years ago
Read 2 more answers
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