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vekshin1
3 years ago
12

Please give me the correct answer.Ony answer if you're very good at math.Take your time when answering.​

Mathematics
1 answer:
Umnica [9.8K]3 years ago
8 0

Answer:

y=20x

Step-by-step explanation:

Since y represents the total cost y is the total. 20x because it is 20 dollars an hour and x after 20 because we do not know how many hours they will plan for lessons.

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Select THREE expressions equivalent to -81x + 27.
Umnica [9.8K]

Answer:

1001.11

Step-by-step explanation:

$2200/monthxhfhfjfjf

8 0
3 years ago
Pls help i need this math question solved Brainleist to the first person
AleksAgata [21]

Answer:

x = 10°

Step-by-step explanation:

8x + 50 = 130 (corresponding angles are equal)

8x = 80

x = 10°

7 0
3 years ago
Read 2 more answers
The radius of a circle is 16 cm. Find its area in terms of pi
anzhelika [568]
Area is 804.25 if the radius is 16cm
8 0
2 years ago
about 70,000 people live in a circular region with a 30-mile radius. find the population density in people per square mile.
bezimeni [28]

Solve for the area of the circular region first:

A = pi*r^2

A = pi*(30 mi)^2

A = 2827.43 mi^2

Density = 70000 people/2827.43 mi^2

Density = 24.76 = 25 people/mi^2 <--ANSWER Plz vote brainnliest


4 0
3 years ago
-2|x-4|+7=-3 how do i solve this absolute value problem
ira [324]
Let's do this step by step:
Subtract both sides by 7
-2|x-4|= -10
Divide each side by -2
|x-4|= 5
Now since this is an absolute value equation, you will have two answers. This means you make the equation both positive and negative.
X-4= 5and -(x-4)= 5
Solve for x for both
X-4= 5: add four on both sides
X= 9
-x+ 4= 5: subtract 4 and divide by -1
X= -1
So your answer is: X= -1 , 9
4 0
3 years ago
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