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Pie
3 years ago
7

180=(9X-11)+(4X+1)+(7X-3)

Mathematics
1 answer:
Rudik [331]3 years ago
3 0
180=(9X-11)+(4X+1)+(7X-3)
180=20x-13
193=20x
9.65=x
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Estimate the fraction of oak trees in the park. ​
Rom4ik [11]

Answer:

The fraction is 1/8

Step-by-step explanation:

see the attached figure to better understand the problem

Observing the pie chart

The approximate central angle of trees that are oak is about 45°

Divide 45°/360°=1/8

therefore

The fraction is 1/8

6 0
3 years ago
What is the solution to ln (x2 - 16) = 0?
bogdanovich [222]
ANSWER

x = \pm \sqrt{17}
EXPLANATION

The given equation is

ln( {x}^{2} - 16) = 0

Take antilogarithm of both sides to base e.

{e}^{ ln( {x}^{2} - 16) } = {e}^{0}

This will simplify to

{x}^{2} - 16 = 1

Group like terms to obtain,

{x}^{2} = 1 + 16

{x}^{2} = 17

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x = \pm \sqrt{17}
6 0
3 years ago
Read 2 more answers
X + 128 = x + 68 find x
mixas84 [53]

Answer:

no \: solution

Step-by-step explanation:

1) Cancle x from both sides.

128 = 68

2) Since 128 = 68 is false, There is no solution.

no \: solution

8 0
3 years ago
How many solutions does the equation −5a 5a 9 = 8 have? none one two infinitely many
Brut [27]

The given equation does not have any solution.

For given question,

We have been given an equation −5a + 5a + 9 = 8

We know that the like terms are those terms which have same variable to the same power.

Combine Like terms;

0 + 9 = 8

9 = 8

⇒ which is  False.

This statement is false for any values of x

Therefore, the given equation does not have any solution.

Learn more about the solution of equation here:

brainly.com/question/545403

#SPJ4

5 0
2 years ago
Jasmine works at the public library after school. She makes $7.00 per hour. She cannot work more than 15 hours per
sveta [45]

Answer:

the answer is mx +B plus the quradratic formula

3 0
3 years ago
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