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Cloud [144]
2 years ago
11

Plz help with finding the diameter, thanks

Mathematics
1 answer:
dexar [7]2 years ago
4 0

Answer:

RULES:

Half of your diameter is ALWAYS your radius.

15 divided by 2 = 7.5 cm

6.5 divided by 2 = 3.25 in.

3 divided by 2 = 1.5 ft

8 divided by 2 = 4 m

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Help please with algebra problem
Strike441 [17]
Number of weekend minutes used: x
Number of weekday minutes used: y

This month Nick was billed for 643 minutes:
(1) x+y=643

The charge for these minutes was $35.44
Telephone company charges $0.04 per minute for weekend calls (x)
and $0.08 per minute for calls made on weekdays (y)
(2) 0.04x+0.08y=35.44

We have a system of 2 equations and 2 unkowns:
(1) x+y=643
(2) 0.04x+0.08y=35.44

Using the method of substitution
Isolating x from the first equation:
(1) x+y-y=643-y
(3) x=643-y

Replacing x by 643-y in the second equation
(2) 0.04x+0.08y=35.44
0.04(643-y)+0.08y=35.44
25.72-0.04y+0.08y=35.44
0.04y+25.72=35.44

Solving for y:
0.04y+25.72-25.72=35.44-25.72
0.04y=9.72

Dividing both sides of the equation by 0.04:
0.04y/0.04=9.72/0.04
y=243

Replacing y by 243 in the equation (3)
(3) x=643-y
x=643-243
x=400


Answers:
The number of weekends minutes used was 400
The number of weekdays minutes used was 243
6 0
2 years ago
Does anyone know this answer
VladimirAG [237]

Answer:

60 degrees

Step-by-step explanation:

The two legs are not equivalent pointing to a 30-60-90 triangle which means x=60 degrees

4 0
3 years ago
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navik [9.2K]
That would be c 

x could be  any real number.
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3 years ago
1. Which of the following is the x-coordinate of the solution to the system shown below?
astra-53 [7]

Answer:

x=9

Step-by-step explanation:

Using elimination method.

Add equation 1 to equation 2

x + y = 11

x - y = 7

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

2x + 0 = 18

Divide both sides by 2

2x = 18

---- ----

2 2

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3 0
2 years ago
Identify angle as supplementary or complementary or neither
Kay [80]
Complementary I’m sure but I could be wrong
3 0
3 years ago
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