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Hatshy [7]
2 years ago
13

Please help I've tried calculators but none show any of these.

Mathematics
2 answers:
laila [671]2 years ago
8 0

Answer:

It is number four

Step-by-step explanation: when you have a dividing one such as this you subtract the exponents which would give you 9^-5 but you can’t have a negative so make a fraction and its a positive

mojhsa [17]2 years ago
6 0

Answer:

4) \frac{1}{9^{5} }

Step-by-step explanation:

Using exponent rules: \frac{9^{2} }{9^{7} } =\frac{1}{9^{-2}*9^{7}  } =\frac{1}{9^{5} }

Or

\frac{9^{2} }{9^{7} } =\frac{9*9}{9*9*9*9*9*9*9} Cancel out the nines that you can

\frac{1}{9*9*9*9*9} =\frac{1}{9^{5} }

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Vikentia [17]
Answer 93. Just keep adding 6
4 0
3 years ago
2,000.h for h = 0.004<br> 2,000 h =
Gekata [30.6K]

Answer:

h=2\times 10^6

Step-by-step explanation:

We need to find h for the following condition.

2,000×h = 0.004

Dividing both sides by 2000

\dfrac{2000h}{2000}=\dfrac{0.004}{2000}\\\\h=0.000002\\\\h=2\times 10^6

So, the value of h is equal to 2\times 10^6.

8 0
2 years ago
Find the slope of the line passing through the points (-7, 8) and (5.-7).
baherus [9]

Answer:

slope is 15/-12

Step-by-step explanation:

:)

8 0
2 years ago
2. In the figure given alongside, find the values of x and y.<br><br><br>​
dimulka [17.4K]

Answer:

y=50°

x=232°

Step-by-step explanation:

cuz y+130=180

y=50

and

y+68+x=360°

50+68+x=360°

so x =232

5 0
2 years ago
Solve each system of equations using substitution. #4 is done for you.
son4ous [18]

Answer:

y = 5 and x = -3

Step-by-step explanation:

Given,

y = x + 8      ...............( equation 1 )  

x + y = 2      ...............( equation 2 )

Now,  by substituting the value of y in equation 2, we get;

⇒ x + x + 8 = 2

⇒ x = -3

and now, by substituting the value of x in equation 1, we get;

⇒ y = -3 + 8

⇒ y = 5

8 0
2 years ago
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