which value x makes the equation 0.75(x+20)=2+0.5(x-2)

Answer:

[tex]\large\boxed{3xy^3}[/tex]

Step-by-step explanation:

[tex]\dfrac{9x^{-1}y^{-6}}{3x^{-2}y^{-9}}\qquad\text{use}\ \dfrac{a^n}{a^m}=a^{n-m}\\\\=3x^{-1-(-2)}y^{-6-(-9)}=3xy^3[/tex]

this person is approximately 72.0472441 inches tall because 1 meter is 39.3701 inches.

1. First calculate the positive root of the quadratic using your preferred formula. I got a solution [tex]d = 1/32 (33 + \sqrt{1217})=2.121...[/tex]. That gives you the distance the ball traveled from d=0 (small hill). So the answer is A.

2. The domain is [0,2.121...]. The range is from 0 to the max height. The d for which the ball is the highest is given by the formula x = -b / 2a = -3.3/(-3.2) = 1.031... so the max is 1.902... So the range is [0,1.902...] So the answer is C.

Answer:

The number is 12 or 7.

Step-by-step explanation:

According to question,

The square of 9 less than a number is 3 less than the number.

i.e. [tex](x - 9)^2 = x - 3[/tex]

Solving the equation,

[tex]x^2 - 18x + 81= x - 3[/tex]

[tex]x^2 - 19x + 84 = 0 [/tex]

[tex](x - 12)(x - 7) = 0 [/tex]

[tex](x - 12)=0,(x - 7) = 0 [/tex]

[tex]x=12,7 [/tex]

Therefore, The number is 12 or 7.

2x + y - 6 = 0

given 2x + y = 6 ( subtract 6 from both sides )

2x + y - 6 = 0 ← in general form

Answer:

Option B

Step-by-step explanation:

We have to write the equation in the general form

Ax + By + c = 0

Equation is 2x + y = 6

We subtract 6 on both the sides of the equation to convert in the standard form.

2x + y - 6 = 6 - 6

2x + y - 6 = 0

where A = 2

           b = 1

and    c = (-6)

Option B will be the answer.

You find a unit rate by divide to fraction.

Ex:

4/5 x 9/5 = 36/25

_________

5/9 x  9/5= 45/45

36/25

______

1

=

36/25

Whole number example:

5 for every 6

5/1 x 1/6= 5/6

______________

6/1 x 1/6 = 6/6

6/6=1

5/6

________

1

=

5/6

Hello,

How do you find a unit rate?

"Divide both numbers by the denominator; your answer is the number you get by dividing the numerator by the denominator. "

Solve 4/5 to 5/9

Find common denominators:

4/5 = 36/45

5/9 = 25/45

Copy Dot Flip:

36/45 x 45/25

= 1575/1125

Divide:

1575 / 1125 = 1.4

Answer:

1.4

Answer: Choice A and choice C

The fractional exponent of 1/2 means that the root index is 2, which is a square root. So (13+8)^(1/2) becomes sqrt(13+8) = sqrt(21)

"sqrt" is a common abbreviation of "square root"

-22.7, -3.516, 3.28, 8.28, 43.9, 126

Negatives that are closer to 0. Are considered higher than negatives that are farther away. Negative means less than like in subtraction.

Arrays are useful representations of multiplication concepts of the commutative property.

We need to find how can you use an array to show the commutative property.

The word 'commutative' originates from the word 'commute', which means to move around. Hence, the commutative property deals with moving the numbers around. So mathematically, if changing the order of the operands does not change the result of the arithmetic operation then that particular arithmetic operation is commutative.

An arrangement of objects, pictures, or numbers in rows and columns is called an array. Arrays are useful representations of multiplication concepts (among other ideas in mathematics).

The commutative property of multiplication can be neatly illustrated using an array. For example, the array above could be read as 2 rows of 6, or as 6 columns of 2. Or the array could be physically turned around to show that 2 rows of 6 have the same number as 6 rows of 2.

Therefore, arrays are useful representations of multiplication concepts of the commutative property.

To learn more about the commutative property visit:

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Answer:I remember when I did this I suggest to look up what gcf means be ur supposed to identify it first then the other trash aka math

Step-by-step explanation:

The number of sides in the regular polygon is 2.

To find the number of sides in a regular polygon, we can use the formula:

Number of sides = 360 degrees/measure of each interior angle

In this case, the measure of one interior angle is given as 144 degrees. Substituting this value in the formula, we get:

Number of sides = 360 degrees/144 degrees = 2.5

Since the number of sides cannot be a decimal, we round down the answer to the nearest whole number. Therefore, the number of sides of the regular polygon is 2.

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The number of sides of a regular polygon with each interior angle measuring 144 degrees is 10.

To find n, we can use the formula for the sum of interior angles of a polygon, which is (n-2) times 180 degrees.

Since we know that each angle measures 144 degrees in this regular polygon, we can set up the equation (n-2)times 180 degrees = n times 144 degrees.

Solving for n gives us:

n times 144 degrees = (n-2) times 180 degrees
n times 144 degrees = 180n - 360 degrees
180n - 144n = 360 degrees
36n = 360 degrees
n = 10.

she will donate $26.25

So you need to see how many times they get paid in a year. 12 months ÷ by every 3= 4. So then you multiply the $25 by 4. Which equals $100.

Final answer:

Michael will earn $100 in one year by washing the Gomez family's cars, as he is paid $25 every 3 months and there are 4 three-month periods in a year.

Explanation:

The question involves calculating how much Michael will earn in one year from washing the Gomez family's cars. Since Michael is paid $25 every 3 months, we first determine how many 3-month periods are in one year. There are 4 such periods in a year (12 months ÷ 3 months = 4). Therefore, Michael will earn $25 for each of these 4 periods.

To find the total amount Michael will earn in one year, we multiply the amount he earns every 3 months by the number of 3-month periods in a year:

$25 per period × 4 periods per year = $100 per year

The given speed is = 8.8 meter per second

To convert it in kilometer per hour, we will do the following steps:

1 meter = 0.001 km

So, 8.8 meter = 0.0088 km  

3600 seconds = 1 hour

1 sec = [tex]\frac{1}{3600}[/tex] hours

now, [tex]\frac{8.8meter}{second} = \frac{0.0088}{\frac{1}{3600} }[/tex]

Now multiplying 0.0088 and 3600

[tex]0.0088*3600[/tex]

= 31.68 km/h  

just multiply them all by 9, so the answer would be

45j+63+36j

Hey!

Explanation

↓↓↓↓↓↓↓↓↓

First, simplify.

[tex]5j+7+4j[/tex]

Group like terms:

↓↓↓↓↓↓↓↓↓↓↓↓↓

[tex]5j+4j+7[/tex]

Second, add similar elements.

[tex]5j+4j=9j[/tex]

[tex]=9j+7[/tex]

[tex]=9(9j+7)[/tex]

And the answer is⇒⇒⇒⇒=9(9j+7)

Hope this helped!

Thank you for posting your question.

-Charlie

the answer to the question would be 59%

huygyvtygyfgvg7yrf7tfcc fy

We are given : A stock is represented by -5.90.

The given number is a negative number.

Note: When a stock is given by a negative number, it represents the decrease in stock and when a stock is given by a positive number, it represents the increase in stock.

As we are given number is a negative number, we can just say that

" The stock value is being decrease by 5.90".

The rational number -5.90 can be described as "negative five and ninety hundredths."

The rational number -5.90 can be described in words as "negative five and ninety hundredths." The negative sign indicates that the change in the value of the stock is a decrease. The decimal portion, 0.90, represents nine tenths, meaning that the value of the stock has decreased by 5 and 9/10 units.

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(0,1) and (4, -2)

Slope = (1 + 2)/(0 - 4) = -3/4

Answer

A.) -3/4

The answer is D. 3/4 because

Slope= Rise/run= 3/4

Yes this is an exponential function. One way we can determine this is to notice how each y term is multiplied by 6 to get the next y term

example: -2 times 6 = -12

another example: -12 times 6 = -72

The exponential function that models this data is y = -2*6^(x-1). Note how plugging in  x = 1 leads to y = -2. Plugging in  x = 2 leads to y = -12, and so on.

We have to realize that the height of a post and the horizontal distance between the posts form a right angle. Then the diagonal that joins the highest point of a post and the lowest point of the other post is the hypotenuse of a right triangle. Then we can apply the Pythagorean theorem to calculate the length of this hypotenuse.​

According to the Pythagorean theorem H² = P² + D² where H is the hypotenuse (diagonal) and P the height of a post (cathetus) and D the distance between posts (cathetus).​

Since we know these values, we can replace them :​

H² = (48inches)² + (64inches)² = 2,304inches² + 4,096inches² = 6,400inches²​

H = [tex]\sqrt{6400inches^{2}}[/tex] = 80inches​

Answer : (a) 80 inches​

​Hope this helps!

​[tex]\textit{\textbf{Spymore}}[/tex]​​​​​​​

The length of the diagonal brace should be 80 inches.

To find the length of the diagonal brace, we can use the Pythagorean theorem, which states that in a right triangle, the square of the hypotenuse (the longest side) is equal to the sum of the squares of the other two sides. In this case, the height of the post and the length between the two posts are the two sides of the right triangle. We can use the equation 48^2 + 64^2 = c^2, where c represents the length of the diagonal brace. Solving for c gives us c = sqrt(48^2 + 64^2) = 80 inches. Therefore, the length of the diagonal brace should be 80 inches.

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A) 25x+15y=650

25x+15(40)=650

Or it could be 25x=650 and 15y=650

B) No because she makes $15 for every necklace which she only has 40 necklaces 15x40=600

A) 25x+15y=650 i think its correct

Answer:

2 + n / 8 = 16

Step-by-step explanation:

Multiply through by 8

2*8 + n = 16*8                 Combine factors

16 + n = 128                     Subtract 16 from both sides

16 - 16 + n = 128 - 16        Combine terms

n  = 12

X=14

Plug it back into both angles add it together and LMN = 128 degrees

14 miles in all which is pretty fast