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3 years ago

Write 1/1000 as a power of 10 using negative exponents.

Mathematics

1 answer:

Anna007 [38]3 years ago

5 0

Answer:

${10}^{ - 3}$

Step-by-step explanation:

$\frac{1}{1000} = \frac{1}{ {10}^{3} } = {10}^{ - 3}$

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Factor and solves the polynomial x(to the 2nd power) + 5x + 4 = 0 x= (blank) and x= (blank)

zubka84 [21]

Answer:

$x = -4~ \text{and}~ x = -1$

Step-by-step explanation:

$~~~~~~~x^2 +5x +4 =0\\\\\implies x^2 +4x +x +4 = 0\\\\\implies x(x+4) +(x+4) = 0\\\\\implies (x+4)(x+1) = 0\\\\\implies x = -4,~~ x = -1$

3 0

2 years ago

How to convert between this equation: 15x + 5y = 25 from Standard Form to Slope-Intercept Form?

Leona [35]

hey buddy,

●15x + 5y = 25

5y = 25-15x

y = (25 - 15x) /5

y = 5 - 3x

6 0

3 years ago

a rock is thrown from the top of a tall building. the distance, in feet, between the rock and the ground x seconds after it is t

frez [133]

Answer:

1.5 seconds

Step-by-step explanation:

Since f(x) represents the distance from the ground to the rock (in feet), we just need to find the values of x for which f(x) = 340. Substituting f(x) = 340 into f(x) = -16x² - 4x + 382 gives us:

340 = -16x² - 4x + 382

0 = -16x² - 4x + 42 (Subtract 340 from both sides)

16x² + 4x - 42 = 0 (Multiply entire equation by -1, "flip" equation)

8x² + 2x - 21 = 0 (Divide entire equation by 2)

(4x + 7)(2x - 3) = 0 (Factor LHS)

4x + 7 = 0 or 2x - 3 = 0 (Zero Product Property)

4x = -7 or 2x = 3 (Subtract -7 and add 3 from/to both sides, respectively)

$x = -\frac{7}{4} = -1.75$ or $x =\frac{3}{2} = 1.5$

x = -1.75 is an extraneous solution because in the context of the question, you can't have negative seconds so therefore, the final answer is 1.5 seconds.

Hope this helps!

3 0

2 years ago

X-14

DENIUS [597]

Step-by-step explanation:

it will be 14 times 2 which will be 28 length and 74 plus 74 which will be 148 for the both side wide.

7 0

3 years ago

Choose Positive or Negative for each expression.

Anton [14]

Answer:

A. negative

B. positive

C. positive

D. negative

hope this helps!

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers