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AveGali [126]
3 years ago
14

Find the value of x. Round to the nearest tenth if necessary. С x A 14 I

Mathematics
1 answer:
Lemur [1.5K]3 years ago
8 0

Answer:

12.1

Step-by-step explanation:

c^2 - b^2 = a^2 (how to find one side using the hypotenuse and another side)

14^2 - 7^2 = a^2 (plug in c and b)

196 - 49 = a^2 (simplify exponents)

147 = a^2 (subtract)

a ≈ 12.1 (square root 147 and round to nearest tenth)

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A long-distance company charges a $5 per month line fee plus $0.25 per minute for long distance phone calls. Write and solve an
Olegator [25]

Answer:

84 minutes       (1 hr and 24 mins)

Step-by-step explanation:

  • If the bill is $26, then that is what the equation will be equal to.
  • $5 fee will be added
  • $0.25 is 'per minute' so this is the number with the x

Let's put it together:

26 = 5 + .25x

Subtract the 5...

21 = .25x

Divide...

\frac{21}{.25} = 84

5 0
4 years ago
There are 14 boys and 21 girls in seventh grade class what is the ratio of boys to girls in simplified form ??
Tanzania [10]

The ratio of boys to girls would be \frac{14}{21} since you can divide both 14 and 21 by 7, the simplified form would be  \frac{2}{3}.

The answer is 2 to 3.

4 0
3 years ago
A room has a length of 8 m. A scale diagram is drawn of the room. In the diagram, the room has a length of 1 cm. What is the sca
liberstina [14]

The scale of the diagram as described in the task content is; 1: 8 where k= 8.

<h3>What is the scale of the diagram?</h3>

It follows from the task content that the original length of the room in discuss is 8cm. It therefore follows that the length of the room in the scale diagram is 1cm. On this note, the scale of the diagram in discuss is; 1 : 8 as 1cm on the diagram corresponds to 8cm actual length.

Read more on scale of diagrams;

brainly.com/question/24255624

#SPJ1

8 0
2 years ago
Find the value of n that satisfies 2(n+1)! + 6n! = 3(n+1), where $n! = n\cdot (n-1)\cdot (n-2) \cdots 2\cdot 1$.
Murrr4er [49]

Answer:

n = 5

Step-by-step explanation:

Given

2(n+1)! + 6n! = 3(n+1)!

Required

Find n

Simplify (n + 1)!

2(n+1)*n! + 6n! = 3(n+1)*n!

Factorize

n![2(n+1) + 6] = 3(n+1)*n!

Divide both sides by n!

2(n+1) + 6 = 3(n+1)

Open brackets

2n + 2 + 6 = 3n + 3

2n + 8 = 3n + 3

Collect like terms

2n - 3n = 3 -8

-n =-5

Multiply both sides by -1

n = 5

7 0
3 years ago
Rewrite in simplest rational exponent form √x • 4√x. Show each step of your process.
Vikentia [17]

Step-by-step explanation:

=  \sqrt{x} .4 \sqrt{x}

=  {x}^{ \frac{1}{2} }  \times 4 {x}^{ \frac{1}{2} }

= 4 {x}^{ \frac{1}{2} +  \frac{1}{2}  }

= 4 {x}^{ \frac{2}{2} }

= 4 {x}^{1}

= 4x

4 0
3 years ago
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