I need help with my math

Answer:

She only used 9 inches for each ribbon i think.

Step-by-step explanation:

The solution is 0.75 feet

The length of each hair bow of Lucy is given by the equation A = 0.75 feet

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

The total length of the ribbon = 3 feet

The number of pieces = 4 pieces

So , the length of each 4 pieces A = total length of the ribbon / number of pieces

Substituting the values in the equation , we get

The length of each 4 pieces A = 3/4

On simplifying the equation , we get

The length of each 4 pieces A = 0.75 feet

Therefore , the value of A is 0.75 feet

Hence , the equation is A = 0.75 feet

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Answer:

Good for Lily.

Step-by-step explanation:

Answer:

Basic facts:

1foot =12 inch

Step-by-step explanation:

Vidal's treehouse was 6 feet which are 72 inches

Mateo's treehouse was 48 inches

72-48=24

24/12=2      

2 feet and 0 inches

The transformations of f(x) are (a) a horizontal shrink by a factor of 1/4,

From the question, we have the following functions that can be used in our computation:

f(x) = x²

g(x) = (4x)²

Mathematically, these equations can be represented as

g(x) = f(4x)

The above equations implies that, we have the transformation to be:

The 4x implies that the function f(x) is horizontally shrunk by a factor of 1/4

Hence, the transformed function is (a)

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Answer:

YAN SHSHHSSHSHSH HAHAH

Answer:

C

Step-by-step explanation:

If I had to choose I'd say C since it makes the most sense. A also could be a good answer but I'd say C

The current weight of the truck is given as follows:

3496 kg.

The current weight of the truck is obtained applying the proportions in the context of the problem.

The initial weight of the truck is given as follows:

3796 kg.

The weight removed from the truck is given as follows:

6 x 50 = 300 kg.

Hence the current weight of the truck is given as follows:

3796 - 300 = 3496 kg.

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The given equation is:

Step 2:

Step 2 is correct. In step 3 he says "I combined like terms". In this case, we have to consider the numbers that have 'x' and the ones that don't have. So, step 3 is wrong. The correct step 3 would be:

Step 4 is correct, you can multiply both sides by 3:

Step 5 is wrong. There is no need to do that! Also step 6 is wrong too for the same reason. And finally, step 7 is correct, you can divide both sides by 4:

Answer: Steps 3, 4, and 5 are wrong. Step 3 is wrong because "we have to consider the numbers that have 'x' and the ones that don't have". Steps 4 and 5 are wrong because there is no need to do these steps. You can solve the inequation without them.

Answer:

Brand A

Step-by-step explanation:

Brand A has a box of 25 forks for 1.99

Take the price per fork

1.99 /25 = .0796

              .08 per fork

Brand B has a box of 42 totals for 3.89

3.89 / 42

.092319048

.09 per fork

There are 540 men living in the mini city.

x + (x + 150) = 1230

Simplifying this equation, we get:

2x + 150 = 1230

Subtracting 150 from both sides, we get:

2x = 1080

Dividing both sides by 2, we get:

x = 540

Therefore, there are 540 men living in the mini city.

To check our answer, we can substitute x = 540 into our original equation:

540 + (540 + 150) = 1230

690 = 1230

This is false, so there must be an error in our calculation. We can double-check our work by trying a different approach.

We know that the number of women exceeds the number of men by 150, so we can represent the number of women as (x + 150). We also know that the total number of people is 1230, so we can set up an equation:

x + (x + 150) = 1230

Simplifying this equation, we get:

2x + 150 = 1230

Subtracting 150 from both sides, we get:

2x = 1080

Dividing both sides by 2, we get:

x = 540

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The tangent line at that point is:

y = (-3/25)*x + 6/5

so m = -3/25, and b = 6/5

To find the slope at that point, we need to evaluate the derivative at that point.

y = 3/x

The derivative is:

y' = -3/x²

When x = 5, we have:

y' = -3/5² = -3/25

So that is the slope, m.

Now let's find the line.

The line must pass trhough the point (5, 3/5), then:

3/5 = (-3/25)*5 + b

3/5 = -3/5 + b

3/5 + 3/5 = b

6/5 = b

The equation of the line is:

y = (-3/25)*x + 6/5

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According to the given data the length of a \(90^{0}\) arc is \(\pi /2\) or approximately \(1.57\) feet.

In geometry, the length of an arc is the distance along the curved line that makes up the arc. It is a measure of the "length" of a portion of a circle's circumference, and it is usually expressed in the same units as the circle's radius.

According to the given information:

The length of a \(90^{0}\) arc in a circle with radius \(1\) foot can be calculated using the formula:

Length of arc = (angle/\(360\)) x \(2\pi r\)

where angle is the central angle of the arc in degrees, r is the radius of the circle, and \(\pi\) is a mathematical constant approximately equal to \(3.14159\).

Substituting the given values, we have:

Length of arc = (\(90/360\)) x \(2\pi(1 ft)\)

Length of arc = \((1/4)\) x \(2\pi ft\)

Length of arc = \(\pi /2 ft\)

Therefore, the length of the \(90^{0}\) arc is \(\pi /2 feet\) or approximately \(1.57 feet\)

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the length of the 90° arc is π/4 feet or approximately 0.785 feet

What is arc of circle?

In geometry, an arc of a circle is a portion of the circle's circumference. It is defined by two endpoints and all points along the circle between those endpoints. The measure of an arc is typically given in degrees or radians and can be used to calculate various properties of the circle, such as its length, area, and sector angles.

The formula for the length of an arc is:

L = (θ/360) × 2πr

where L is the length of the arc, θ is the central angle of the arc in degrees, and r is the radius of the circle.

In this case, θ = 90° and r = 1 ft, so we have:

L = (90/360) × 2π(1) = (1/4) × π = π/4

Therefore, the length of the 90° arc is π/4 feet or approximately 0.785 feet (rounded to 3 decimal places).

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x⁴ - 8x² + 17 is the function that represents the fog(x).

To find fog(x), we first need to find g(f(x)), which means we need to substitute the expression for f(x) into the expression for g(x):

g(f(x)) = g(x² - 4)

Now, we can substitute the expression for g(x) into the above expression:

g(f(x)) = (x² - 4)² + 1

Expanding the squared term, we get:

g(f(x)) = x⁴ - 8x² + 17

Therefore, fog(x) = g(f(x)) = x⁴ - 8x² + 17.

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Complete question:

f(x) = x² - 4 and g(x)= x^2 + 1  find fog(x).

Answer:

A

Step-by-step explanation:

Answer:

what and hi i also need help

Step-by-step explanation:

Answer:

we need a picture then I can help

The expressions are illustrations of algebraic expressions, and the simplified expressions are \(\frac{x^{5}y^{3}}{7}\), \(\frac{7y^{11}}{4z^{4}}\), \(8y^{2}\), \(\frac{6}{x^5w^3}\), \(64w^{15}\\\) and \(y^3\)

\((a)\ \frac{xy}{7x^{-4}y^{-2}}\)

Apply the quotient rule of indices

\(\frac{x^{1 + 4}y^{1 + 2}}{7}\)

Simplify the exponents

\(\frac{x^{5}y^{3}}{7}\)

Hence, the simplified expression is \(\frac{x^{5}y^{3}}{7}\)

\((b)\ \frac{7y^6}{4y^{-5}z^{4}}\)

Apply the quotient rule of indices

\(\frac{7y^{6+5}}{4z^{4}}\)

Simplify the exponents

\(\frac{7y^{11}}{4z^{4}}\)

Hence, the simplified expression is \(\frac{7y^{11}}{4z^{4}}\)

\((c)\ (x^3y^{-5})(2x^{-4}y^2)(4xy^5)\)

Apply the product rule of indices

\(4 * 2x^{-4+3+1}y^{2-5+5}\)

Simplify the exponents

\(8x^{0}y^{2}\)

Further, simplify

\(8y^{2}\)

Hence, the simplified expression is \(8y^{2}\)

\((d)\ (xw)(6x^{-6}w^{-4})\)

Apply the product rule of indices

\(6x^{-6+1}w^{-4+1}\)

Simplify the exponents

\(6x^{-5}w^{-3}\)

Rewrite as:

\(\frac{6}{x^5w^3}\)

Hence, the simplified expression is \(\frac{6}{x^5w^3}\)

\((e)\ (w \cdot 4w^2\cdot w^2)^3\)

Apply the product rule of indices

\((4w^{1+2+2})^3\)

Simplify the exponents

\((4w^{5})^3\)

Expand

\(4^3w^{5*3}\)

Further, simplify

\(64w^{15}\)

Hence, the simplified expression is \(64w^{15}\\\)

\((f)\ (\frac{y^2}{y})^3\)

Apply the quotient rule of indices

\((y^{2 - 1})^3\)

Simplify the exponents

\((y)^3\)

Remove the bracket

\(y^3\)

Hence, the simplified expression is \(y^3\)

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Answer:

C

Step-by-step explanation:

one-sixth of a number = 1/6 ·n

one-sixth of a number, decreased by 7 = (1/6 ·n) - 7

'at most 45' means values equal to 45 or less: ≤

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If you have questions ask

Answer:

$87.90

Step-by-step explanation:

Let the amount of money Hashim had be $Y. As such, if he gives his mother $28, he would have $Y - $28 left.

If he had $15.20 less than his sister and his sister had $75.10, then we can say that what he had left  $Y - $28 is equivalent to the difference between $75.10 and $15.20.

This is

$Y - $28 = $75.10 - $15.20

Y = $28 + $75.10 - $15.20

= $87.90

Answer:

degree of -2x^4 is 4

degree of -3 is 0

degree of 4x^6 is 6

degree of -6x^7 is 7

degree of the polynomial 17

Step-by-step explanation:

the degree of a term is the exponent of the variable. so for the terms, just write down the exponent of X. since -3 does not have a variable, it has a degree of 0. the degree of a polynomial is the sum of the exponents on all variables so 4+6+7=17.

2^3 + 2^2 x 2 + 6 - 2^1 x 2^0 - 1

2³+2³+6-2×1-1

2×2³+6-2-1

2⁴+6-2-1

16+6-2-1

19

The statement that is a good definition is D. Parallel lines are lines that do not intersect.

A type of quadrilateral with all sides being equal and all angles being 90 degrees is a square.

Lines that do not cross each other but have a constant perpendicular distance are known as parallel lines. Right angles and skew lines are perpendicular to one another but not parallel. Therefore, a square is a type of rectangle in which all four sides are parallel to one another.

Therefore, based on the information, the correct option is D

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Answer:

0.5 x 7

Step-by-step explanation:

hope this helps

Answer:

C

Step-by-step explanation:

Step-by-step explanation:

Hi tag brainliest ❣️

Thanks

Since the shaded area equal 4

our answer is A

that is the number of shaded area ÷ the total number of points

-

Step-by-step explanation:

From the question. The first term is a which is 4. The common ratio is 8/4 = 2. n is 12 since we are looking for the 12th term.

The solution is attached below. The answer is 8192

The 12th term of the geometric progression 4 , 8 , 16 .. is a₁₂ = 8192

What is Geometric Progression?

A geometric progression is a sequence in which each term is derived by multiplying or dividing the preceding term by a fixed number called the common ratio.

The nth term of a GP is aₙ = arⁿ⁻¹

The general form of a GP is a, ar, ar2, ar3 and so on

Sum of first n terms of a GP is Sₙ = a(rⁿ-1) / ( r - 1 )

Given data ,

Let the geometric progression be represented as A

Now , the value of A is given by

A = 4 , 8 , 16 , ..

Now , the geometric progression is given by the formula

aₙ = arⁿ⁻¹

where aₙ is the nth term of the sequence

a is the first term

r is the common ratio

n is the number of terms

Now , the common ratio r can be found out by

Common ratio r = second term / first term

Substituting the values in the equation , we get

Common ratio r = 8 / 4

Common ratio r = 2

Now , substituting the value in the equation , we get

The 12th term of the geometric progression is

a₁₂ = arⁿ⁻¹

The value of a₁₂ = 4 ( 2 ) ¹²⁻¹

The value of a₁₂ = 4 ( 2 )¹¹

The value of a₁₂ = 4 x 2048

The value of a₁₂ = 8192

Therefore , the value of a₁₂ is 8192

Hence , The 12th term of the geometric progression 4 , 8 , 16 .. is a₁₂ = 8192

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Answer:

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Answer:

\(4g^{6} + 16g^{3}+16\)

Step-by-step explanation:

\(2(2g^{3}+4)*g^{3}+4(2g^{3}+4)\)

Answer:

(2g³+4)²

using formula of (a+b)²=a²+2ab+b²

(2g³)²+2×2g³×4+4²

2g^5+16g³+16 Is your answer

One possible solution within this region is (10, 4), which means Samantha buys 10 bags of popcorn and 4 pretzels.

Let's start by defining our variables:

The first condition is that Samantha must buy at least 14 bags of popcorn and pretzels altogether:

x + y ≥ 14

The second condition is that she must buy no more than 14 pretzels:

y ≤ 14

Next, we need to consider the cost constraint. Each bag of popcorn costs $9 and each pretzel costs $5. If Samantha buys x bags of popcorn and y pretzels, her total cost will be:

9x + 5y ≤ 110

Now, we have a system of inequalities:

To graph this system, we can start by graphing each inequality separately:

For x + y ≥ 14, we can graph the line x + y = 14. To do this, we can plot two points on this line: (0, 14) and (14, 0), and draw a straight line passing through these two points.

For y ≤ 14, we can draw a horizontal line at y = 14.

For 9x + 5y ≤ 110, we can rearrange the inequality to get:

y ≤ (-9/5)x + 22

This is the equation of a line with a slope of -9/5 and a y-intercept of 22. We can plot two points on this line: (0, 22) and (12.22, 0), and draw a straight line passing through these two points.

Now, we can shade the region that satisfies all three inequalities. The shaded region will be the area that is above the line x + y = 14, below the line y = 14, and to the left of the line y = (-9/5)x + 22.

One possible solution within this region is (10, 4), which means Samantha buys 10 bags of popcorn and 4 pretzels.

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