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bagirrra123 [75]
3 years ago
9

(−2)5

Mathematics
2 answers:
castortr0y [4]3 years ago
7 0
Nothing further can be done if you evaluate it it just satays the same but it's like :

(-2) , 5
Rainbow [258]3 years ago
5 0

Answer:

-32

Step-by-step explanation:

The given expression is (-2)^{5}

Here the base is -2 and the exponent is 5.

This expression means, we have to multiply the base -2 by itself 5 times.

(-2)^{5} = -2.-2.-2.-2.-2

Let's multiply first two terms and the second two terms.

= 4.4.-2

= 16.-2

= -32

Therefore, the answer  (-2)^{5} = -32

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1. CD Express offers 4 CDs for $60. Nuse Place
Keith_Richards [23]

Answer:

Answer 2.

Step-by-step explanation:

4 CDs for $60 vs 6 CDs for $25?

At CD Express you'll spend $240 while only spending $150 at Nuse Place.

3 0
3 years ago
Find all solutions to the following system of equations -y²+6y+x-9=0 ; 6y=x+27.Illustrate with a graph.
Dimas [21]

Answer:

The solution to the system is the pair (9, 6)

Step-by-step explanation:

Hi!

First, let´s write the system of equations:

-y² + 6y + x -9 = 0

6y = x +27

The solutions of the system are the pairs (x, y) that satisfy both equations.

Let´s take the second equation and solve it for x:

6y = x +27

Subtract 27 from both sides of the equation

6y - 27 = x

Now, we can replace x in the first equation and solve it for y:

-y² + 6y + x -9 = 0

-y² + 6y + 6y - 27 -9 = 0

-y² + 12y - 36 = 0

Notice that -y² + 12y - 36 = -(y - 6)², then:

-(y - 6)² = 0

y - 6 = 0

y = 6

(alternatively you can solve the quadratic equation using the quadratic formula).

Now let´s find the value of x:

x = 6y -27

x = 6·6 -27

x = 9

The solution to the system is the pair (9, 6)

Please see the attached figure. The point where the curves intersect is the solution to the system.

6 0
3 years ago
On Saturday morning, Ahmed decided to take a bike ride from one end of the 15-mile bike trail to the other end of the bike trail
frosja888 [35]

The expression which relates the total time taken and the time taken for the trip is [15s + 15(s+2)] / s² + 2s and 2.32 hours respectively.

<em>Travel time = distance ÷ speed </em>

<u>Second half of the trip</u> :

  • <em>Speed = s mph</em>

  • <em>Distance covered = 15 miles</em>

<u>Time taken for second half of trip</u> :

Time taken = 15 / s

<u>First half of the trip</u> :

  • <em>Speed = s + 2 mph </em>

<u>Time taken for first half of trip :</u>

Time taken = 15 / (s+2)

<u>Total time taken :</u>

<em>First half + second half</em>

15/(s+2) + 15/s = [15s + 15(s+2)] / s² + 2s

B)

If s = 12

<em>Substitute s = 12 into the expression</em> :

[15(12) + 15(12+2)] / 12² + 2(12)

[180 + 210] / 144 + 24

390 / 168

= 2.32 hours

Therefore, the total time taken is 2.32 hours.

Learn more : brainly.com/question/18796573

3 0
2 years ago
Can you use division to solve a missing factor problem
klasskru [66]
Yes, you can use division to solve a missing factor problem
5 0
3 years ago
A tree has a shadow that is 9 feet long Otis is 4 feet tall and is standing next to the tree Otis has a shadow that is 4.5 feet
Scilla [17]

The tree is 8 feet tall.

8 0
3 years ago
Read 2 more answers
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