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Anika [276]
3 years ago
11

PLEASE HELP ASAP!!!! ILL MARK BRAINLEST

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
5 0

Answer:

40

Step-by-step explanation:

add 100+10+10 and divide it by 3

77julia77 [94]3 years ago
4 0

Answer:40

Step-by-step explanation:

100+10+10=3x

3x=120

Divide both sides by 3

X=40

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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
3 years ago
If a table weighs 1.23 pounds what is its weight written as a mixed number??!??
frutty [35]

THE ANSWER IS 1 23/100

(there is a space between the one and 23)

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What is the value of 20+30(7+4)+5+2(7+99?
KATRIN_1 [288]

Answer:

the answer is 567

Step-by-step explanation:

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20+330+5+212

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5 0
3 years ago
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Find another name for the given number but with the denominator indicated use multiplying by 1. 1/2 = ?/10
liq [111]
5/10 because it is equivalent to 1/2

So the answer is 5/10
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3 years ago
What is the slope of y=-x perpendicular to the equation
tensa zangetsu [6.8K]

\frac{1}{2} x

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