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Vinil7 [7]
3 years ago
12

30 points! Need help ASAP!

Mathematics
1 answer:
olganol [36]3 years ago
7 0
The answer IS C. X=2 and X=3.
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Chloe has enough sand to fill a sandbox with an area of 36 square units. She wants the outer edges of the sandbox to use as litt
tia_tia [17]

Answer:

  6 units by 6 units

Step-by-step explanation:

The quadrilateral with the smallest perimeter for a given area is the square.

The square with area 36 square units has side lengths of √36 = 6 units.

4 0
3 years ago
Write a proportion for each of the diagrams below and solve for the missing value.
Sphinxa [80]

Answer:

y=6

Step-by-step explanation:

\frac{4}{8} =\frac{3}{y}

4y=24

y=6

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3 years ago
Hi so I have this problem that I’m stuck on...math is very hard and I need your help
irakobra [83]
The answer to your problem is 10m minus 20n or 10m-20n for short.
3 0
3 years ago
Read 2 more answers
Use the law of cosines to find the length of a
borishaifa [10]

Answer:

Step-by-step explanation:

You don't need the Law of Cosines, the Law of sines if what you need. You can't use the Law of Cosines because in order to find side a, you would need the length of side c and you don't have it. Using the Law of Sines is appropriate, knowing that angle B = 55:

\frac{sin55}{175}=\frac{sin42}{a} and solving for a:

a=\frac{175sin42}{sin55} so

a = 143.0

4 0
3 years ago
Lizzy is working two jobs to make money for a new car. She works 15 hours a week and earns 93$. She makes 5$ for each hour she b
kirill115 [55]

She worked 9 hours at baby-sitting and 6 hours at her parents store.

Step-by-step explanation:

Let,

Baby-sitting hours = x

Hours at parents store = y

Total hours = 15

Amount earned = $93

According to given statement;

x+y=15   Eqn 1

5x+8y=93   Eqn 2

Multiplying Eqn 1 by 5;

5(x+y=15)\\5x+5y=75\ \ \ Eqn 3\\

Subtracting Eqn 3 from Eqn 2;

(5x+8y)-(5x+5y)=93-75\\5x+8y-5x-5y=18\\3y=18

Dividing both sides by 3;

\frac{3y}{3}=\frac{18}{3}\\y=6

Putting y=6 in Eqn 1

x+6=15\\x=15-6\\x=9

She worked 9 hours at baby-sitting and 6 hours at her parents store.

Keywords: linear equations, subtraction

Learn more about linear equations at:

  • brainly.com/question/10699220
  • brainly.com/question/10703930

#LearnwithBrainly

6 0
3 years ago
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