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tester [92]
3 years ago
7

Are these right? How do the parentheses make these two answers different?

Mathematics
2 answers:
oee [108]3 years ago
8 0

yes it is correct

with parentheses you have to bring EVERYTHING INSIDE THE PARENTHESES to the given power but not if there are no parentheses

lina2011 [118]3 years ago
3 0
I know someone already answered this but they would be correct. This is how I think of it... if it does not have parentheses and it is a negative number and it has an exponent well then your answer will be negative but if you do have parentheses and your number is negative and it has an exponent well then your answer will be positive.
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Which property of equality would be used to solve 3x = 81?
slega [8]
Division x=81/3 that’s right
4 0
3 years ago
Read 2 more answers
Which of the equations will be a true statement if p=10 power of 3? Select all that apply.
Marat540 [252]

Answer:

A. 3.4 divided by p equals 0.034

B. 437 divided by p equals 0.437

C. 53.45 divided by p equals 53.45

D. 6,340 divided by p equals 6.34

E. 2,458.2 divided by p equals 24.582

Which of the equations will be a true statement if p=10 power of 3? Select all that apply.

The answer is A D and E

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
hree vertices of a rectangle are given. Find the coordinates of the fourth vertex. (–2, 4), (4, 0), (2, –3)
zhannawk [14.2K]
V1=(-2,4)=(x1,y1)→x1=-2, y1=4
V2=(4,0)=(x2,y2)→x2=4, y2=0
V3=(2,-3)=(x3,y3)→x3=2, y3=-3
V4=(x4,y4)→x4=?, y4=?

V1-V2
dx=x2-x1=4-(-2)=4+2→dx=6
dy=y2-y1=0-4→dy=-4

V4-V3
dx=x3-x4→6=2-x4
Solving for x4:
6=2-x4→6-2=2-x4-2→4=-x4→(-1)(4=-x4)→-4=x4→x4=-4

dy=y3-y4→-4=-3-y4
Solving for y4:
-4=-3-y4→-4+3=-3-y4+3→-1=-y4→(-1)(-1=-y4)→1=y4→y4=1

V4=(x4, y4)→V4=(-4, 1)

Answer: The coordinates of the fourth vertex are (-4,1)

5 0
3 years ago
The princess examines one plant and can’t seem to locate its roots. The plant is labeled as p(x)=x^2+x+3 Which values should the
AleksAgata [21]
Let's actually find the roots, using the quadratic formula:

<span>p(x)=x^2+x+3 gives us a=1, b=1 and c=3.

                 -1 plus or minus sqrt(1^2-4(1)(3))
Then x = -----------------------------------------------          
                                           2

The discriminant here is negative, so the roots x will be complex:

              -1 plus or minus sqrt(-11)      -1 plus or minus i*sqrt(11)
       x = ---------------------------------- = -------------------------------------
                          2                                                 2

These are irrational roots; they cannot be expressed as the ratios of integers.</span>
8 0
3 years ago
I need help with this please.
SSSSS [86.1K]

Answer:

f )  x+72=90(complementary angle)

x= 90-72

x=18

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x=90-77

x=13

plz give me thanks

7 0
3 years ago
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