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gladu [14]
3 years ago
11

I have to solve for x

Mathematics
2 answers:
Andrews [41]3 years ago
8 0

Answer:

ok join    he for he for

Step-by-step explanation:

can

erastova [34]3 years ago
3 0

The 3 angles of a triangle equal 180.

Subtract the bottom 2 angles from 180 and you get 50

So 8x + 2 = 50

Subtract 2 from both sides:

8x = 48

Divide both sides by 8

X = 6

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Stacy is trying to solve the equation 2x - 5 = 10x + 7 . Her first step results in the equation 2x = 15x + 12. Describe her mist
Lelechka [254]
Mistake: you can't add 5 to 10x.
solution: -1.5
6 0
3 years ago
Read 2 more answers
Line f has a slope of −6/3, and line g has a slope of −8/4.
Nataliya [291]

Answer:

The option A) is correct

"The lines have proportional slopes" is correct

Therefore the given slopes are proportional to each other

Step-by-step explanation:

Given that Line f has a slope of \frac{-6}{3}, and line g has a slope of \frac{-8}{4}

Also given that f and g are distinct lines

To check the proportionality of two slopes :

\frac{-6}{3}=\frac{-8}{4}

-2=-2

2=2

Therefore the given slopes are proportional to each other

Therefore option A) is correct

"The lines have proportional slopes" is correct

7 0
4 years ago
Which of the following is the graph of y= - x + 1
Ksivusya [100]

Answer:

See picture below

Step-by-step explanation:

To graph properly, remember that:

  • The y intercept of the function, is the value of the function when x=0, and tells (in this case y=1 is the intercept). Locate this point in the graph.
  • The x intercept, which is the value of x when y=0 is x=1. Locate it in the graph.
  • You now have two points of a straight line: join this two points and you would have done it!

5 0
3 years ago
What is the length of BC?
Marat540 [252]

Answer:

x = 22, The length of BC is 22

Step-by-step explanation:

It is shown that angle ACB and angle ABC are congruent (The measure of angles are the same) in the picture. Since the angles are congruent, we can say that AC = AB because of base angle theorem converse. We can then substitute the given numbers in for AC and AB. We would then get 2x - 24 = x - 2. If you solve, you would get that x = 22 (The length of BC is 22).

7 0
3 years ago
Solve the problem.
skad [1K]

Answer:

The population reaches 42,336 fish in 2258

Step-by-step explanation:

<u>Given</u><u>:</u>

P =  0.62x^2 - 0.043x + 3

<u>To Find:</u>

Time taken  to reach 42,336 = ?

<u>Solution:</u>

According to the question  x is the number of years after which the population .

Then

42336 = 0.62x^2 - 0.043x + 3

0 = 0.62x^2 - 0.043x + 3- 42333

0.62x^2 - 0.043x -42333 = 0

Solving using quadratic formula

x =\frac{ -b\pm \sqrt{b^2 -4ac}}{2a}

x =\frac{ -(-0.043)\pm \sqrt{(-0.043) -4(0.62)(42333)}}{2(42333)}

x =\frac{ -(-0.043)\pm \sqrt{(0.001849) -0.10664}}{84666}

x=261.337                    x=−261.268

Neglecting the   negative value we get

x = 261.337

x =  261 approx

261 years after  1997  =  2258

5 0
4 years ago
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