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Georgia [21]
3 years ago
8

How do you rewrite 1/27 as an expression with a negative exponent​

Mathematics
1 answer:
krek1111 [17]3 years ago
4 0

Answer:

3^-3

Step-by-step explanation:

27 = 3^3

so

1/ 27= 1 / 3^3 = 3^-3

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Write an equation for the line in slope- intercept form. 2. Х -4 -2 o 2 4. -2 4​
Alla [95]

Answer:

y= -2x-3

Step-by-step explanation:

this is because the y intercept is at negative 3 and the rise over run is down 1 over 2

3 0
2 years ago
Whitney rode her skateboard at a constant speed. She rode 1 mile in 10 minutes. Which of these equations represents the amount o
Zigmanuir [339]

Answer:

C. t = 10d

Example:

If i rode the bike for 3 miles then

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3 0
3 years ago
What is the value of x?<br><br><br><br> Enter your answer in the box.
Grace [21]
The shapes are similar.
When two figures are similar, the ratios of the lengths of their corresponding sides are equal.
Therefore,
\frac{42}{(15 + 42)} = \frac{x}{10 + x}

Simplify:
\frac{42}{57} = \frac{x}{10 + x}
Cross multiply:
42(10+x) = 57x
420 + 42x = 57x
420 = 57x - 42x
420 = 15x
x = (420÷15)
x = 28

3 0
3 years ago
Alexander is ridiang his bime to school, after one mile, he is a third of the way there. how much farther does he have to ride?
lisov135 [29]
He has to ride 2 more miles
6 0
3 years ago
A ceiling light has a cross-section in the shape of a parabola. The parabola is 24 cm wide and 9 cm deep. The lightbulb is locat
Sedbober [7]

Answer:

  4 cm

Step-by-step explanation:

The equation of a parabola with its vertex at the origin can be written as ...

  y = 1/(4p)x^2

The problem statement tells us that one point on the parabola is (x, y) = (12, 9). We can put these values into the equation and solve for p, the distance from the focus to the vertex.

  9 = 1/(4p)(12^2)

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Then p = 4, and the bulb is 4 cm from the vertex.

4 0
3 years ago
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