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Dmitry_Shevchenko [17]
3 years ago
5

GRADE 9 MATH:

Mathematics
1 answer:
maw [93]3 years ago
3 0

Answer:

See below

Step-by-step explanation:

<u>The correct solution:</u>

  • 5^-5 × (-5)^3 = - 5^(-5 + 3) = - 5^-2 = - 1/5^2 = - 1/25

<u>The mistake was:</u>

  • -25^-2 instead of -5^-2
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What is the slope of the line passing through the points (-3,<br> -5) and (-1, - 6)?
Ira Lisetskai [31]

Answer:

-1/2

Step-by-step explanation:

We can find the slope using the slope formula

m = ( y2-y1)/(x2-x1)

   = ( -6 - -5)/( -1 - -3)

   = ( -6+5)/( -1+3)

   =-1/ 2

3 0
3 years ago
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Could someone help me with 2, 9, 10, 11, 12 13, and 14?
shutvik [7]

Answer:

13.  (1) x + 8x = 32

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3 years ago
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Solve the system of equations. y = 2x y = x 2 – 15
inn [45]

Answer:

D. (–3, –6) and (5, 10)

Step-by-step explanation:

The system has equations:

y=2x...(1)

and

y=x^2-15...(2)

Equate both equations;

x^2-15=2x

Rewrite in standard form:

x^2-2x-15=0

We factor to obtain:

(x+3)(x-5)=0

By the zero product principle;

(x+3)=0,(x-5)=0

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8 0
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What is an equation of the line that passes through the points (-2, 1) and (-8, 4)?
Grace [21]

Answer:

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Step-by-step explanation:

Equation of a line = y = mx + c

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4 0
2 years ago
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