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andreyandreev [35.5K]
3 years ago
6

WILL GIVE BRAINIEST !!!

Mathematics
2 answers:
Sergio039 [100]3 years ago
3 0

Answer:

THE ANSWER IS B. I WANT BRAINIEST RLY BADLY PLZZZZZZ

Step-by-step explanation:

den301095 [7]3 years ago
3 0

Answer:

Hello, I am a mathematics expert and after further research i figured out that the answer is B. 60.

Step-by-step explanation:

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Root 180 times a squared over root 80 times b squared
Studentka2010 [4]
180×80 would give u 14400
3 0
3 years ago
Pleaseee help!
user100 [1]

Step-by-step explanation:

f(3)=?

f(x)=2x+5

put x=3,

f(3)=2(3)+5=6+5=11

------------

g(2)=?

g(x)=x^2-3

put x=2,

g(2)=2^2-3=4-3=1

-----------------

g(f(-1))=?

g(x)=x^2-3

and f(-1)=2(-1)+5= -2+5=3

so g(f(-1))=3^2-3=9-3=6

----------------

f(g(-1))=?

f(x)=2x+5

g(x)=g(-1)=(-1)^2-3=1-3= -2

f(g(-1))=2(-2)+5= -4+5=1

----------------

g(f(x))=?

g(x)= x^2-3

put x=f(x),

g(f(x))=f(x)^2-3=(2x+5)^2-3=4x+25+20x-3=24x+25

7 0
3 years ago
Castel and Kali are selling wrapping paper for a school fundraiser. Customers can buy rolls of plain wrapping paper and rolls of
True [87]

Answer:

Plain is $7 and Holiday is $15

Step-by-step explanation:

Castel: 2p + 5h = 89

Kali: 9p + 10h = 213

Double Castel's: 4p + 10h = 178

Subtract fro Kali's   9p + 10h = 213

                              - 4p + 10h = 178

5p = 35

p = 7  Plain is $7

Substitute 7 into one of the equations and solve for h:

2(7) + 5h = 89

14 + 5h = 89

5h = 75

h = 15  Holiday is $15

6 0
2 years ago
The figures are similar. Find x. The ratio of the perimeters is 7 : 10 how do I find x
Elena L [17]
7/10 = x/12 which mean you need to multiply each side by 12 to find x. So the answer would be X= 8.4
8 0
3 years ago
HELP PLEASE I HAVE BEEN STUCK FOR HOURS THIS IS DUE- I'll mark brainliest. In parallelogram WXYZ, diagonal WY is drawn, M and N
dybincka [34]

Answer:

Opposite sides of the parallelogram are equal. Here, 60°+60°+ Angle ZWX + Angle ZYX = 360°

or,2* Angle ZYX = 240° [ Angle ZWX = Angle ZYX]

So, Angle ZYX = 120°

Then, In ∆ENY;

102° + (120-84)° + Angle ENY = 180° [Sum of all angles of a triangle.]

or, 36° + Angle ENY = 78°

So, Angle ENY = 42°

5 0
3 years ago
Read 2 more answers
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