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liberstina [14]
3 years ago
11

BRAINLIEST!!!

Mathematics
2 answers:
sasho [114]3 years ago
4 0
She pays for 3 movies.
Each movie is $6.50
6.50 x 3 = 19.5
All 3 movies cost $19.50.
Melody paid $25.00 in all.
She also bought a CD
25-19.5 = 5.5
Melody paid $5.50 for the CD.


Hope this helps you! (:
-Hamilton1757

monitta3 years ago
3 0
Hello there,


I believe the answer is A. 5.50


I added 6.50 for 3 movies and got 19.50 then I added 5.50 and got 25.00

You could also do it another way...


You could do 6.50 x 3 and you get 19.50
then she paid 25.00
you will subtract 25 - 19.5 and get 5.50

.


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If the scale on a map is in/miles = 1/50
kati45 [8]

Answer:

2.5= 125

4.75=237.50

7.6=237.50

7 0
3 years ago
Find the value of xxx in the isosceles triangle shown below.
MAXImum [283]

Answer:

X = 10

Step-by-step explanation:

if we say 1/2 base = <em>a</em>

a² = 13² - 12²

a² = 25

a = √25

a = 5

if 1/2 base = 5 then x = a × 2

hence X = 5 × 2 = 10

7 0
3 years ago
A point of the form 25 +bi is 37 units from 13 – 31i. What is the value of b
Svetach [21]

If we consider the positive value of b, then the value of b is 4.

<h3>What is the coordinate plane of a complex number?</h3>

A complex number in the form z = x + iy takes a coordinate plane in terms of (x,y). From the given information, we are given a distance between two points:

  • 25 + bi = (25,b)
  • 13-31i = (13, -31)

Now, the distance between two points can be represented by using the relation:

\mathbf{D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}}

\mathbf{37 = \sqrt{(13-25)^2+(-31-b)^2}}

\mathbf{37 = \sqrt{(-12)^2+(31+b)^2}}

\mathbf{37 = \sqrt{144+(31+b)^2}}

Taking the square of both sides

1369 = 144 + (31 + b)²

1369 - 144 = (31 + b)²

1225 = (31 + b)²

(31 + b)² = (35)²

(31 + b) = ±35

b = 35 - 31 or -35 -31

b = 4 or -66

Learn more about solving complex numbers here:

brainly.com/question/23729437

#SPJ1

8 0
2 years ago
Find the first 4 terms in the expansion of ( 1 + x 2 ) 8. Use your answer to find the value of ( 1.01 ) 8
anyanavicka [17]

(1+x^2)^8

=(1+8x^2+8*7/(1*2)x^4+8*7*6/(1*2*3)x^6+8*7*6*5/(1*2*3*4)x^8+....)

=1+8x^2+28x^4+56x^6+70x^8+....)

For x<1, higher power terms diminish in value, hence we can approximate powers of numbers.

1.01=(1+0.1^2) => x=0.1 in the above expansion

(1.01)^8

=1+8(0.1^2)+28(0.1^4)+56(0.1^6) [ limited to four terms, as requested]

=1+0.08+0.0028+0.000056 (+0.00000070)

=1.082856 (approximately)

7 0
4 years ago
Julia can make a key chain in 1 minute 35 seconds. At this rate, which is closest to the amount of time she will need to make 8
DanielleElmas [232]

1 key chain is made in 95 seconds.

760 seconds.

Which equals.

12.6666666667

Your welcome :)



5 0
3 years ago
Read 2 more answers
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