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dmitriy555 [2]
2 years ago
11

sorry for all the question but I have to be somewhere in about 10 minutes and this is due tomorrow and most of this I don't unde

rstand so plz help me answer the ones without work

Mathematics
1 answer:
balu736 [363]2 years ago
8 0
64 and 64 for the simplify the following
8.5 for evaluate the expression
$5.50 + $1.99n is for the movies question
x divided by 2 minus 18 is for the football fans

hope this helped some...
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Which of the following is the equation of a circle whose center is at the origin and whose radius is 4?
leva [86]

Answer:

x²+y²=16

Step-by-step explanation:

the general equation for a circle is given as :

(x−h)²+(y−k)²=r²

where (h, k) is the coordinate of the center of the circle and r is the radius

in this case h=0, k=0 and r = 4

equation becomes

x²+y²=4²

or

x²+y²=16

4 0
3 years ago
Read 2 more answers
The area of a rectangle is
ANEK [815]
Area = length x width
length = 3 x width - 5

i.e. 50 = w(3w - 5)
3w^2 - 5w - 50 = 0
(3w + 10)(w - 5) = 0
w = -10/3 or w = 5
but width cannot be negative, hence
width = 5 yd
Length = 3 x 5 - 5 = 15 - 5 = 10 yd
8 0
3 years ago
Please answer asap, i need to turn it in by the end of the day.
ivolga24 [154]
B is correct
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3 0
3 years ago
5 2/3 - 2 1/3 answer
goldfiish [28.3K]

Answer:

3 1/3 . 5-2=3 and 2/3 - 1/3 = 1/3. All together is 3 1/3

4 0
3 years ago
Read 2 more answers
-(7-9)z-6z=8(-6+2) solve for z
Sergeeva-Olga [200]

Answer:

(-(7-9))(z)-6z= 8(-6+2)

Simplify

-(-2)(z) -6z =8(-6+2)

Multiply 8*-6 and 8*2

2z -6z= -48+16

Combine like terms

2z+-6z =-32

-4z=-32

Divide both sides by -4

z=8

Step-by-step explanation:

5 0
3 years ago
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