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Leviafan [203]
3 years ago
15

Hey please help me be geniune this is a timed test and I really need help will mark brianliest :( please no links I’m tired of s

eeing them

Mathematics
1 answer:
kumpel [21]3 years ago
8 0

Answer:

510 ft^2

Step-by-step explanation:

(12*9)+(12*9)+(7*9)+(7*9)+(7*12)+(7*12) = 108+108+63+63+84+84 = 510 ft^2

Hope this helped! :)

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Adam has some candy to give to his three children. He first took seven pieces for himself and then evenly divided the rest among
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2 candies for each kid

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Is this a complementary ,linear pair,vertical or adjacent?
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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:
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Replacing y by 243 in the equation (3)
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x=643-243
x=400


Answers:
The number of weekends minutes used was 400
The number of weekdays minutes used was 243
6 0
3 years ago
I need help I will give brainliest
Klio2033 [76]

Answer:

4.4 × 10 ^− 6

Step-by-step explanation:

Brainliest please :)?

4 0
3 years ago
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