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Eddi Din [679]
2 years ago
15

Simplify the equation -2(p + 4)2 - 3 + 5p. What is the simplified expression in standard form? ASAP PLEASE!! ILL GIVE EXTRA POIN

TS FOR FIRST ANSWER!!
Mathematics
2 answers:
Katena32 [7]2 years ago
4 0
So you distrubute and get

-2p-8+2-3+5p 
add like terms 
3p-9
ANSWER: 3p-9
Blizzard [7]2 years ago
4 0

Answer:  The required simplified expression in standard form is -2p^2-11p-35.

Step-by-step explanation:  We are given to simplify the following equation and write the simplified expression in standard form :

E=-2(p+4)^2-3+5p~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)

We will be using the following formula :

(a+b)^2=a^2+2ab+b^2.

The simplification of expression (i) is as follows :

E\\\\=-2(p+4)^2-3+5p\\\\=-2(p^2+8p+16)-3+5p\\\\=-2p^2-16p-32-3+5p\\\\=-2p^2-11p-35.

Thus, the required simplified expression in standard form is -2p^2-11p-35.

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The enrollment in college a may be modeled by y = 0.051x + 0.470, and the enrollment in college b may be modeled by y = –0.041x
sasho [114]
The first equation represents the enrollments of college A
The second equation represents the enrollments of college B
if you let two equation equal to each other, you can understand them as the enrollments of college A and college B at "x" year.

0.051x + 0.470 = -0.041x + 1.850
0.051x + 0.041x = 1.850 - 0.470
0.092x = 1.38
x = 1.38/0.092 = 15 years from 1990, 1990 + 15 = 2005 
both equations represents the enrollments, but for specific the year of 2005, they have the same enrollments. You can either plug 2005 in the first or second equation, the answer will come out the same.
y = 0.051(2005) + 0.470 = 102.745 thousands of enrollments. It's awkward to say it this way, you can multiply 102.745 by 1000.
==> 102.725 * 1000 = 102725 enrollements 
===================================================================
The year of 2005 college A and college B both have the same enrollments of 102725.  

5 0
2 years ago
Which component of a stable ecosystem can not be recycled?
Bas_tet [7]

C) energy is the answer

7 0
2 years ago
Read 2 more answers
A motorcycle and a car leave an intersection at the same time. the motorcycle heads north at an average speed of 20 miles per​ h
satela [25.4K]
First, determine the distance of the motorcycle and the car from the start point. The distance could be determined using
\boxed{d=v \times t}
d stands for distance, v stands for speed, t stands for time

The car
d = 48 × t
d = 48t

The motorcycle
d = 20 × t
d = 20t

At the end of t hours, the car is 48t miles (east) from the start point and the motorcycle is 20t miles (north) from the start point.

Second, determine the distance between 48t miles at east and 20t miles at north using pythagoras
distance = \sqrt{(48t)^{2}+(20t)^{2}}
distance = \sqrt{2304t^{2}+400t^{2}}
distance = \sqrt{2704t^{2}}
distance = 52t

The expression for their distance apart at the end of t hours is 52t
7 0
2 years ago
How do i solve this??
mestny [16]

area for the hexagon = 1/2*p*a

p = perimeter = 18*6=108

a = apothem = 15.59

108*15.59 = 1683.72/2 = 841.86 sq units

Area of rectangle = 18 x 21 = 378

841.86-378 = 463.86 rounded to 464 square units

3 0
2 years ago
5 bricklayers can lay a total of 50 bricks in 30 minutes. How many bricklayers will
iragen [17]

Answer:

First look at the number of bricks alone.

Going from 50 bricks to 60 bricks is more work, thus it will require more people. The number of people would be the ratio of the 2. Since the number must be larger, you know the numerator must be the larger of the 2 numbers, so you get 60/50

Next look at the time alone.

Going from 30 minutes to 20 minutes is more work, thus it will require more people. The number of people would be the ratio of the 2. Since the number must be larger, you know the numerator must be the larger of the 2 numbers, so you get 30/20

Now you can just multiply everything.

= 5*60/50*30/20

= 5*6/5*3/2

= 90\10

= 9.

8 0
2 years ago
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