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Sindrei [870]
3 years ago
7

-7 times (-7)^-4 What is the solution?

Mathematics
1 answer:
Igoryamba3 years ago
3 0

Answer:

The solution is -1/343 or (-7)⁻³

Step-by-step explanation:

-7 × (-7)⁻⁴

-7 × 1/(-7)⁴

-7 × 1/2401

-7/2401 = -1/343 = (-7)⁻³

Thus, The solution is -1/343 or (-7)⁻³

<u>-TheUnknownScientist 72</u>

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What is (-i)^5? A. -1. B. 1. C. I D-i
nika2105 [10]

Answer:

D

Step-by-step explanation:

(-i)⁵ can be written as (-i)² * (-i)² * (-i). Since (-i)² is the same as i², this equals -1 * (-1) * (-i) which becomes -i.

3 0
4 years ago
Lily threw a ball. The balls equation that demonstrated its height and velocity is:
SIZIF [17.4K]

The initial height of the ball is the y-intercept of the function

The initial height she threw the ball from is 35

<h3>How to determine the initial height</h3>

The function is given as:

h(x) = -16x^2 + 3x +35

Set x = 0.

So, we have:

h(0) = -16 * 0^2 + 3*0 +35

Evaluate the exponent

h(0) = -16 * 0 + 3 * 0 + 35

Evaluate the products

h(0) = 0 + 0 + 35

Evaluate the sum

h(0)= 35

Hence, the initial height she threw the ball from is 35

Read more about quadratic functions at:

brainly.com/question/14477557

4 0
2 years ago
A box contains 6 wooden, straight sticks of the following lengths (in inches): 2, 3, 5, 7, 11, and 13. Three sticks are drawn at
Vikentia [17]

Answer:

\dfrac{1}{4}

Step-by-step explanation:

given,

straight stick of length =  2, 3, 5, 7, 11, and 13.

For a triangle to form third side of the sum of the two side of the triangle should be greater than third.

so the possibility of triangle formed

5,11,13

7,11,13

3,11,13

7,5,11

5,3,7

ways of drawing 3 wooden sticks

⁶C₃ = \dfrac{6!}{3!\times 3!}= 20

so the probability = \dfrac{5}{20}

                             = \dfrac{1}{4}

7 0
4 years ago
Three sets have 5, 10, 15 elements, respectively. How many elements can their union and intersection have?​
Degger [83]

Answer:

Union = 15

Step-by-step explanation:

Given

n(A) = 5; n(B) = 10; n(C) = 15

Solving (a): Possible union elements

This is the represented by element with the largest number of the sets

i.e.

Union = 15

Solving (b): Possible intersection elements

This is the represented by element with the least number of the sets

i.e.

Intersection = 5

6 0
3 years ago
Four pounds of chicken is divided into 1/3 -pound packages. How many packages of chicken are there?
Katen [24]

Answer:12

Step-by-step explanation:

there is 4 pounds total, and each package is 1/3 a pound, so 3 packages, (1/3x3)=3 so 3 x 4 for all packges= 12. Hope this helps!

4 0
4 years ago
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