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Answer: x = 0; x=10

Step-by-step explanation:

\(\frac{x+2}{x-4} *\frac{3x}{x+4}\\ \\x+2(x+4) = x-4(3x)\\x^{2} +2x+ 4x + 8 = 3x^{2} -12x\\2x+4x+12x =3x^{2} - x^{2} \\20x= 2x^{2} \\10x = x^2\\x=0\\x=10\)

Hope this helps!

Step-by-step explanation:

Las organizaciones son estructuras administrativas y sistemas administrativos creadas para lograr metas u objetivos con el apoyo de las propias personas, o con apoyo del talento humano o de otras características similares.

Answer:

The answer is false.

Step-by-step explanation:

To solve this problem, we first need to change the fractions to improper fractions.

-8/3+6=6/5

Next, we simplify.

-8/3+6=10/3

10/3=6/5

This equation is false because 10/3 does not equal 6/5.

Answer:

BD

Step-by-step explanation:

The radius is "a straight line from the center to the circumference of a circle." BD is the correct option, but AD and DC would work, as well.

Answer:

BD, sory Im late! Give other person brainliest. You're doing great! Have a wonderful day! Remember your worth!

The calculation (3.4876)/(4.11+1.2) should be reported with three significant figures: 0.657.

To determine the number of significant figures in the answer to the calculation (3.4876)/(4.11+1.2), we need to consider the number of significant figures in the given values and apply the rules for significant figures in mathematical operations.

First, let's analyze the number of significant figures in the given values:

- 3.4876 has five significant figures.

- 4.11 has three significant figures.

- 1.2 has two significant figures.

To perform the calculation, we divide 3.4876 by the sum of 4.11 and 1.2. Let's evaluate the sum:

4.11 + 1.2 = 5.31

Now, we divide 3.4876 by 5.31:

3.4876 / 5.31 = 0.6567037...

Now, let's determine the number of significant figures in the result.

Since division and multiplication retain the least number of significant figures from the original values, the result should be reported with the same number of significant figures as the value with the fewest significant figures involved in the calculation.

In this case, the value with the fewest significant figures is 5.31, which has three significant figures.

Therefore, the answer to the calculation (3.4876)/(4.11+1.2) should be reported with three significant figures: 0.657.

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The possible combinations of the number of samples and sample sizes she could use to gather data for 200 students will be:

8 samples of 25 students

10 samples of 20 students

5 samples of 40 students

The possible combinations of the number of samples and sample sizes she could use to gather data for 200 students:

8 samples of 25 students

= 8 × 25.

= 200

10 samples of 20 students = 200

5 samples of 40 students = 200

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Answer: \(y=\frac{1}{5}x\)

Step-by-step explanation:

\(y-1=\frac{1}{5}(x-5)\\\\y-1=\frac{1}{5}x-1\\\\y=\frac{1}{5}x\)

Answer:

x=60

Step-by-step explanation:

The angles here are alternate interior angles, this means that they are congruent. Congruent means that they are equal to each other, so to solve just set them equal! (Your variable is x so you're solving for that)

\(2x=120\\x=60\)

Hope this helps! :)

Answer: x/3

Step-by-step explanation:

 5x²y/15xy

=x²y/3xy ⇔ divide 5 on both sides

=x²/3x ⇔ eliminate y

=x/3 ⇔ divide x on both sides

Hope this helps!! :)

Please let me know if you have any question

Answer:

3,500,000cm =35km

Step-by-step explanation:

So we have the following ratio

cm:distance

1:500,000

and we want to solve the following

7:x

To solve this just multiply 500,000 by 7 (this is what we mulitplied 1 by to get 7 in the second ratio)

7*500,000=3,500,000

Answer:

35 kilometers

Step-by-step explanation:

The scale factor is 1(cm):500000(cm)

All you have to do is factor in the 7 cm that is represented on the map.

7 × 500000 = 3,500,000 cm

There are 100,000 cm in 1 kilometer.

3,500,000 ÷ 100,000 = 35 Kilometers

We have solved the equation AB=BC for A, assuming that A, B, and C are square matrices and B is invertible, then the solution is A=C B⁻¹.

First, let's take a look at the equation AB=BC. This is an equation that involves matrices, which are essentially rectangular arrays of numbers. In this case, we have three matrices: A, B, and C. The equation tells us that the product of A and B is equal to the product of B and C.

Now, we want to solve this equation for A. This means that we want to isolate A on one side of the equation and have everything else on the other side. To do this, we can use matrix algebra.

One property of matrices is that we can multiply both sides of an equation by the inverse of a matrix without changing the solution. Since we know that B is invertible, we can multiply both sides of the equation by B⁻¹, the inverse of B:

AB B⁻¹ = BC B⁻¹

Now, we can simplify the left side of the equation, because B times its inverse gives us the identity matrix I:

A I = C B⁻¹

Again, we can simplify the left side of the equation, because anything multiplied by the identity matrix stays the same:

A = C B⁻¹

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Answer:

3 is 1

4. 7^-2

Step-by-step explanation:

Answer:

0.016328

Step-by-step explanation:

7^-6 = 0.000008

7^4 = 2041

Multiply em' both together and you get... 0.016328

Hope it helps

The statement using absolute value notation will be x - 78 ≤ 22.

The student will pass the test which scores 22 points for the number 78

Absolute values are any digit's value without taking the sign into an account. Therefore, all negative numbers will be regarded as positive for absolute value. The absolute value of -5, for instance, will be 5, whereas that of -7, will be 7.

In essence, the absolute value calculates the distance from zero. Putting an absolute value on something does not imply that they are the same number but that they are the same distance from 0.

Le the score of student be = x

Forming the absolute value notation -

This can be expressed as,

x - 78 ≤ 22.

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Answer:

(n-7) ≤ 95

Step-by-step explanation:

We need to write the expression for the given statement.

Seven less than the product of a number n and  1 means (n-7).

It is no more than 95. No more than 95 means less than or equal to i.e.

(n-7) ≤ 95

Hence, the above inequality shows the given statement.

9514 1404 393

Answer:

  B)  x = 4

Step-by-step explanation:

Perhaps angles A and D are adjacent, so have a sum of 180°.

  133° + (3x +35)° = 180°

  3x +168 = 180 . . . . . . . . simplify

  x + 56 = 60 . . . . . . . . . . divide by 3

  x = 4 . . . . . . . . . . . . . . . . subtract 56

The 5 steps in dividing rational expressions are explained below.

Rational expression seem to be parts that have factors in their denominators (and frequently numerators as well). For instance, x 2 x + 3 \dfrac{x^2}{x+3} x+3x2 start part, x, squared, separated by, x, furthermore, 3, end portion is a reasonable articulation.

1) Take the rational expression.

2) Rewrite the division as the product of the first rational expression then, the reciprocal of the second.

3) Factor the numerators and denominators of rational expression completely.

4) Multiply the numerators and denominators together.

5) Simplify by dividing out common factors.

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Answer:

\( - 15\)

Step-by-step explanation:

We know that,

\(( - ) \times ( + ) = (- )\)

So,

\( (- 3) \times ( + 5) = - 15\)

hope this helps you.

Have a nice day!

Answer:

-15

Step-by-step explanation:

(-3)*(+5) = -15

Answer:

The correct answer is:

It is a continuous random variable (C)

Step-by-step explanation:

Continuous Random Variables are variables that do not take on a distinct value. They take on values that are a range of different possibilities to infinity. In continuous random variables, the values cannot be counted. In this example, the time it takes for a light bulb to burn out can be any rational number which is greater than 0, up to infinity; for instance, it can be 24 hours, 24.5 hours, 30.8 hours, 51.2 hours etc. There is an infinite possibility of the time it takes for the bulb to burn out.

Discrete Random Variables are ones in which the variables take on distinct values and nothing in between. Here, the outcomes can be counted. For example if a coin is tossed, there are only two possibilities which can be the outcome and that is either head, or tail. The number of possible outcome is 2, and there is nothing inbetween head or tail.

Answer:

It’s C

(Gibberish words to so i can to 29 words)

hciejdgrifgirgrittrufifgeydifufgfidhfuvifgdudugcudydgdidhdhf

Hope this helped,if not, don’t hate.

After three hours drinking a cup of coffee 91.64 mg of caffeine will remain in the body, the exponential form is 130(0.89) cubed: about 92 mg.

The initial quantity of caffeine in the body a= 130 mg

Rate of decreasing per hour, r = 11%

The remained quantity of coffee after 3 hours,

\(A= a(1-\frac{r}{100} )^{3}\)

\(= 130(1-\frac{11}{100} )^{3}\)

\(= 130(\frac{89}{100} )^{3}\)

\(= 130(0.89)^{3}\)

\(= 91.64\) mg

Therefore 91.64 mg of caffeine will remain in the body.

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Answer:

5 × [5(-7)]

= 5 × (-35)   ---- 5 × (-7) = -35

= -175

Answer:

False

Step-by-step explanation:

the 3 outside the parenthesis multiplies each term in the parenthesis, so

3(7 - 2 = 3 × 7 + 3 × - 2

Answer:

7.

x=16

arc DE=167

arc EF=13

arc DFG=347

Answer:

X>8-3

X>5

So choose the third one

Step-by-step explanation:

Answer:

x-8>-3

x>-3+8

x>5

because in 2 step + - = - but the sign should use of greater number so in last step the value of 5 is + .

Answer:

x ≤ -4

Step-by-step explanation:

There is a closed circle at -4, which requires and equals sign

The line goes to the left, which is less than

x ≤ -4

Answer:

B

Step-by-step explanation:

Answer:

What should be in the blank is ‘ten times’

This is what we would have in the two blanks

Step-by-step explanation:

Here, we want to fill in the gap

10 * 98 = 980 because the 9 in 980 represents 9 hundreds which is ten times as much as 9 tens, and the 8 in 980 represents 8 tens which is 10 times as much as 8 ones

Answer:

50/77

Step-by-step explanation:

(1÷2 3/4)+(1÷3 1/2)

2 3/4 is same as 11/44

1/2 is same as 7/2

so to divide fraction you have to flip the second number and multiply

so 1 times 4/11=4/11

and 1 times 2/7=2/7

4/11 +2/7=28/77+22/77=50/77

Answer:

120 / (x+y) = 8

Step-by-step explanation:

120 / (x+y)

= 120 / (3+12)

= 120/15

= 8

The slope intercept form of equation of line is given by

y = 3x + 4

What is equation of line in slope intercept form?

The most general form of equation of line in slope intercept form is given by y = mx + c

Where m is the slope of the line and c is the y intercept of the line.

Slope of a line is the tangent of the angle that the line makes with the positive direction of x axis.

If \(\theta\)  is the angle that the line makes with the positive direction of x axis, then slope (m) is given by

m =  \(tan \theta\)

The distance from the origin to the point where the line cuts the x axis is the x intercept of the line.

The distance from the origin to the point where the line cuts the y axis is the y intercept of the line.

The given line is y = 3x - 8

Slope = 3

Slope of the line parallel to this line = 3

The line passes through the point (-2, -2)

Required equation of line

y - (-2) = 3(x - (-2))

y+2 = 3(x +2)

y+2 = 3x + 6

y = 3x + 6 - 2

y = 3x + 4

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