7/8 - 4/5 what is the answer to this thing because i don't know it at all duhhhh

Answer:

- 9.6 oz butter

- 8 oz sugar

- 12 oz flour

- 4 eggs

Step-by-step explanation:

We know that for 20 cupcakes, we need the following amount for each ingredient:

- 12 oz butter

- 10 oz sugar

- 15 oz flour

- 5 eggs

We now only want 16 cupcakes. To find how much of each ingredient we need, let's write a proportion for each. Say b is the amount of butter we need, s is the amount of sugar, f is flour, and e is eggs:

16 cupcakes / 20 cupcakes = b oz butter / 12 oz butter

16 cupcakes / 20 cupcakes = s oz sugar / 10 oz sugar

16 cupcakes / 20 cupcakes = f oz flour / 15 oz flour

16 cupcakes / 20 cupcakes = e eggs / 5 eggs

These turn out to become:

20b = 16 * 12  ⇒  b = 9.6 oz butter

20s = 16 * 10  ⇒  s = 8 oz sugar

20f = 16 * 15  ⇒  f = 12 oz flour

20e = 16 * 5  ⇒  e = 4 eggs

Thus, our answers are:

- 9.6 oz butter

- 8 oz sugar

- 12 oz flour

- 4 eggs

~ an aesthetics lover

Answer: 9.6 ounces of butter, 8 ounces of sugar, 12 ounces of flour, 4 eggs

Step-by-step explanation: 20 / 16 = 4/5. 16 is four-fifths of 20. So multiply 4/5 with everything.

12 * 4/5 = 9.6 ounces

10 * 4/5 = 8 ounces

15 * 4/5 =  12 ounces

5 * 4/5 = 4 eggs

The Pythagorean theorem states that in a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the other two sides. The theorem can be proven using various methods, one of which is the geometric proof.

Geometric Proof of the Pythagorean Theorem:

Consider a right-angled triangle with sides of lengths a, b, and c, where c is the hypotenuse. By drawing squares on each side, we create four congruent right-angled triangles within the larger square formed by the hypotenuse. The area of the larger square is equal to the sum of the areas of the four smaller squares.

The area of the larger square is c^2, and the area of each smaller square is a^2, b^2, a^2, and b^2, respectively. Therefore, we have c^2 = a^2 + b^2, which is the Pythagorean theorem.

Converse of the Pythagorean Theorem:

The converse of the Pythagorean theorem states that if the square of the length of the longest side of a triangle is equal to the sum of the squares of the other two sides, then the triangle is a right-angled triangle.

To prove the converse, we assume that a triangle with sides of lengths a, b, and c satisfies the condition c^2 = a^2 + b^2. By comparing this equation to the Pythagorean theorem, we can conclude that the triangle must have a right angle opposite the side of length c.

This is one way to prove the Pythagorean theorem and its converse, demonstrating the relationship between the lengths of the sides in a right-angled triangle.

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Answer: The 2nd one

Step-by-step explanation:

Since the product of the slope is -1, hence the lines are perpendicular

Two lines are known to be parallel if they have the same slope while if two lines are perpendicular if the product of the slope is -1

Given the coordinates of line 1 passing through (0, 6) and (6, 4), the slope is given as;

Slope = 4-6/6-0
Slope = -2/6
Slope = -1/3

Similarly for the coordinate points (-1, -7) and (1, -1).

Slope = -1+7/1+1
Slope of line 2 = 6/2

Slope = 3

Take the product of the slopes

Slope = -1/3 * 3
slope = -1

Since the product of the slope is -1, hence the lines are perpendicular

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Answer:

210

Step-by-step explanation:

so the formula for the area of a triangle is base × height ÷ 2

so you do 60 × 7 = 420 then divide by 2 = 210

None of the provided options is correct. The simplified value of the expression [(23)4]2 is 65536.

To simplify the expression [(23)4]2, we start by evaluating the exponent inside the inner parentheses:

(23)4 = 23 * 23 * 23 * 23

This results in 256. Now, we substitute this value back into the expression:

[(23)4]2 = 2562

Squaring 256 gives us 65536. Therefore, the simplified value of the expression [(23)4]2 is 65536.

So, the correct answer is not listed among the options provided. None of the given options (a) 17666216, b) 12222617, c) 17222167, d) 16777216) match the simplified value of 65536.

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Answer:

73.3 %

Step-by-step explanation:

To find the percentage

44/60

.73333333

Change to a percentage by multiplying by 100

73.3 %

━━━━━━━☆☆━━━━━━━

▹ Answer

73.3%

▹ Step-by-Step Explanation

44 ÷ 60 = 0.73333333333* 100→ 73.3%

Hope this helps!

- CloutAnswers ❁

Brainliest is greatly appreciated!

━━━━━━━☆☆━━━━━━━

When you have a system of linear equations, and you identify terms with the same variable and same coefficients, you can use the subtraction method to obtain an equation in which you can obtain the value of one of the variables.

The probability that the second ball you draw is gold is 0.619.

What is the probability?

A probability is a number that reflects the chance or likelihood that a particular event will occur. Probabilities can be expressed as proportions that range from 0 to 1, and they can also be expressed as percentages ranging from 0% to 100%.

Here, we have

Given: a room contains several urns 13 urns contain two gold balls, 6 urns contain one gold ball and one silver ball, 20 urns contain two silver balls.

Conditional probability is a measure of the probability of an event occurring given that another event has occurred.

Here given event is that first ball is gold. Hence sample space will have 13+8 = 21 urns.

For second ball to be gold, urn should have 2 gold balls hence it has 13 urns under above condition.

Probability = 13/21 = 0.619

Hence, the probability that the second ball you draw is gold is 0.619.

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Expected completion time of the path other than the critical path is 18.16 weeks.

a) The expected times and variances for each of the activities are as follows:

Activity 1:

Expected Time = 9.83 weeks

Variance = 0.69 weeks

Activity 2:

Expected Time = 10.33 weeks

Variance = 2.78 weeks

Activity 3:

Expected Time = 9.83 weeks

Variance = 0.69 weeks

Activity 4:

Expected Time = 7.83 weeks

Variance = 1.36 weeks

b) The expected completion time of the critical path is 19.66 weeks.

The expected completion time of the path other than the critical path is 18.16 weeks.

c) The variance of the critical path is 1.38 weeks.

The variance of the path other than the critical path is 4.14 weeks.

d) If the time to complete the activities on the critical path is normally distributed, the probability that the critical path will be finished in 22 weeks or less is -98.

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The general solution to the given second-order linear homogeneous differential equation is y(x) = c1e^(3x) + c2e^(-2x), where c1 and c2 are arbitrary constants.

To find the general solution, we first consider the corresponding homogeneous equation, which is obtained by setting the right-hand side of the given equation to zero:

y′′ − y′ − 6y = 0

The characteristic equation associated with this homogeneous equation is:

r^2 - r - 6 = 0

Solving this quadratic equation, we find two distinct roots: r1 = 3 and r2 = -2. Therefore, the general solution to the homogeneous equation is:

y_h(x) = c1e^(3x) + c2e^(-2x)

Next, we need to find a particular solution to the given non-homogeneous equation. The particular solution takes the form of a polynomial multiplied by the known term on the right-hand side, in this case, 6x^3. Since the degree of the polynomial is 3, we try a particular solution of the form y_p(x) = ax^3 + bx^2 + cx + d.

Substituting this into the non-homogeneous equation, we obtain:

y_p′′ − y_p′ − 6y_p = 6x^3

Simplifying and collecting terms, we can equate coefficients of like powers of x on both sides. After solving the resulting system of equations, we find a particular solution:

y_p(x) = x^3/3

The general solution to the non-homogeneous equation is the sum of the homogeneous and particular solutions:

y(x) = y_h(x) + y_p(x)

     = c1e^(3x) + c2e^(-2x) + x^3/3

This is the general solution to the given differential equation. The arbitrary constants c1 and c2 can be determined by applying initial or boundary conditions if provided.

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Answer:

158 feet below sea level

Step-by-step explanation:

110 + 48 = 158

So 158 was the seal's final depth below sea level

The empirical formula of the compound, with half the tetrahedral holes occupied, can be determined based on the cations (m) and anions (a).

In crystal structures, tetrahedral holes refer to the spaces between close-packed ions. If half of these tetrahedral holes are occupied, it suggests that the compound has a specific arrangement of cations (m) and anions (a).

In a crystal lattice, each tetrahedral hole can accommodate one cation-anion pair. If half of the tetrahedral holes are filled, it means that the compound has a 1:1 ratio of cations to anions. This ratio is the simplest or empirical formula of the compound.

For example, if the cation is denoted as M and the anion as X, the empirical formula would be MX. This implies that for every cation M, there is one anion X present.

Therefore, based on the given information, the empirical formula of the compound would be MX.



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   ( 0, 7 ) and ( 0,4 ) are  two points of the equation .

What Is an Equation, exactly?

An equation is a mathematical expression with two equal sides and an equal sign in between.

                                  An equation is, for instance, 4 + 6 = 10. 4 + 6 is visible on the equal sign's left side, and 4 + 6 is visible on the equal sign's right side.

    ( 4,0) & ( 0,7 )

Given constraint  is

        7x₁ + 4x₂ ≤ 28

  IF  x₁ = 0

         4x₂  =  28  

          x₂ = 7

        ( 0, 7 )

If x₂  = 0

    7x₁ = = 28

     x₁  = 4

       ( 4 ,0 )

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Answer:

3.75 hours

Step-by-step explanation:

Divide them.

Answer:

3

Step-by-step explanation:

i hope this helped

Answer:

A right Triangle

Step-by-step explanation:

A right triangle has 3 angles and one of those angles measures 90 degrees.

Answer: 60 is the answer.

Step-by-step explanation: We can use the total sum, 180.

To get the missing angle, add the 2 angles, 60 and 60.

60 + 60 = 120.

Then subtract from 180.

180 - 120 = 60.

Hence, 60 is the answer.

Let me know if you have any questions.

~ Lily, from Brainly.

Note to asker: Write this down!

To find 1 missing angle:

A1 + A2 = TA - 180 = X (A1 = Angle1)

Answer:

Opt B

Step-by-step explanation:

3/4 plus 1/8

4 goes into 8 two times

1/8 stays the same

for 3/4 multiply the numerator and denominator by 2

6/8

The first graph, (the one by the left is not a function)

The second graph (the one by the right is a function)

Answer:

1/20

Step-by-step explanation:

4/5 = 16/20

3/4 = 15/20

16-15 = 1

1/20

Answer:

1/20

Step-by-step explanation:

a. The amount to which $500 will grow when compounded annually at a rate of 16% for 10 years is approximately $1,734.41.

b. The amount to which $500 will grow when compounded semiannually at a rate of 16% for 10 years is approximately $1,786.76.

c. The amount to which $500 will grow when compounded quarterly at a rate of 16% for 10 years is approximately $1,815.51.

d. The amount to which $500 will grow when compounded monthly at a rate of 16% for 10 years is approximately $1,833.89.

e. The amount to which $500 will grow when compounded daily at a rate of 16% for 10 years (365 days in a year) is approximately $1,843.96.

a. The amount to which $500 will grow when compounded annually at a rate of 16% for 10 years is approximately $1,734.41.

To calculate this, we can use the compound interest formula:

A = P(1 + r/n)^(nt)

Where:

A = the final amount

P = the principal amount (initial investment)

r = the annual interest rate (as a decimal)

n = the number of times the interest is compounded per year

t = the number of years

In this case, P = $500, r = 0.16, n = 1, and t = 10.

Plugging these values into the formula, we get:

A = 500(1 + 0.16/1)^(1*10)

 = 500(1 + 0.16)^10

 ≈ 1,734.41

Therefore, $500 will grow to approximately $1,734.41 when compounded annually at a rate of 16% for 10 years.

b. The amount to which $500 will grow when compounded semiannually at a rate of 16% for 10 years is approximately $1,786.76.

To calculate this, we can use the same compound interest formula, but with a different value for n. In this case, n = 2 because the interest is compounded twice a year.

A = 500(1 + 0.16/2)^(2*10)

 ≈ 1,786.76

Therefore, $500 will grow to approximately $1,786.76 when compounded semiannually at a rate of 16% for 10 years.

c. The amount to which $500 will grow when compounded quarterly at a rate of 16% for 10 years is approximately $1,815.51.

Using the compound interest formula with n = 4 (compounded quarterly):

A = 500(1 + 0.16/4)^(4*10)

 ≈ 1,815.51

Therefore, $500 will grow to approximately $1,815.51 when compounded quarterly at a rate of 16% for 10 years.

d. The amount to which $500 will grow when compounded monthly at a rate of 16% for 10 years is approximately $1,833.89.

Using the compound interest formula with n = 12 (compounded monthly):

A = 500(1 + 0.16/12)^(12*10)

 ≈ 1,833.89

Therefore, $500 will grow to approximately $1,833.89 when compounded monthly at a rate of 16% for 10 years.

e. The amount to which $500 will grow when compounded daily at a rate of 16% for 10 years (365 days in a year) is approximately $1,843.96.

Using the compound interest formula with n = 365 (compounded daily):

A = 500(1 + 0.16/365)^(365*10)

 ≈ 1,843.96

Therefore, $500 will grow to approximately $1,843.96 when compounded daily at a rate of 16% for 10 years.

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Answer:

-59

Step-by-step explanation:

use pemdas

1+10-70

11-70

-59

Answer:

F ' = (-2, 1)

G ' = (2, -2)

H ' = (4, 3)

========================================

Explanation:

The rule \((\text{x},\text{y})\to (\text{x},-\text{y})\) reflects any point over the x axis.

We keep the x coordinate the same. The y coordinate flips from positive to negative, or vice versa.

For example, let's use that rule on point F.

\((\text{x},\text{y})\to (\text{x},-\text{y})\\\\(-2,-1)\to (-2,-(-1))\\\\(-2,-1)\to (-2,1)\\\\\)

Therefore, point F ' is located at (-2,1).

Follow that same logic for points G and H.

Let me know if you need to see the steps for the other points.

The rate at which their distance is changing at t = 5 seconds is -11 m/s.

In 1 hour, Brooke covers 5 km, which is equal to 5000 m. Similarly, in 1 hour, Jamail covers 6 km, which is equal to 6000 m. Since they start from 18 m apart and are moving towards each other, their distance is decreasing at a rate equal to the sum of their speeds, which is 5 + 6 = 11 km/h, or 11,000 m/h.

Therefore, in 5 seconds, their distance will decrease by (11,000 m/h) * (5 s / 3600 s) = 15.28 m. Hence, their distance at t = 5 seconds is L = 18 m - 15.28 m = 2.72 m.

To find the rate at which their distance is changing at t = 5 seconds, we differentiate the expression for L with respect to time:

dL/dt = d/dt (18 - 5t - 6t) = -11 m/s.

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Therefore, the standard deviation of the sampling distribution of the sample proportion is approximately 0.024, rounded to three decimal places.  Therefore, the statement "The sampling distribution is normal or approximately normal" is true.

a) The mean of the sampling distribution of the sample proportion is equal to the population proportion, which is given as 0.07:

μp = p = 0.07

b) The standard deviation of the sampling distribution of the sample proportion is given by the formula:

σp = √[(p*(1-p))/n]

where n is the sample size. Substituting the given values, we get:

σp = √[(0.07*(1-0.07))/200]

≈ 0.024

c) To determine whether the sampling distribution is normal or approximately normal, we need to check two conditions: the sample size and the shape of the population distribution.

The sample size is given as n = 200, which is large enough for the Central Limit Theorem to apply.

The shape of the population distribution is not given, but since the sample size is large, we can assume that the distribution of the sample proportion will be approximately normal by the Central Limit Theorem.

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The correct statement is:

d. The binomial distribution is a discrete probability distribution and the normal distribution is a continuous probability distribution.

What is binomial distribution?

In probability theory and statistics, the binomial distribution is the discrete probability distribution that gives only two possible results in an experiment, either Success or Failure. For example, if we toss a coin, there could be only two possible outcomes: heads or tails, and if any test is taken, then there could be only two results: pass or fail. This distribution is also called a binomial probability distribution.

The binomial distribution is a discrete probability distribution that models the number of successes in a fixed number of independent trials, where each trial can result in only two outcomes (success or failure), and the probability of success is constant. Examples of situations that can be modeled by a binomial distribution include flipping a coin a fixed number of times or counting the number of defective items in a batch of products.

The normal distribution, on the other hand, is a continuous probability distribution that is often used to model naturally occurring phenomena, such as heights, weights, and test scores. The normal distribution is characterized by a bell-shaped curve, and it is used because many phenomena in nature follow a normal distribution pattern.

So, the binomial and normal distributions are both widely used in probability and statistics, but they are fundamentally different types of distributions.

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Answer:

Lulu

Step-by-step explanation:

If you take the Lulu shirt and take 20% off of it, you have a shirt that is $80

If you take the H&M shirt and take 15% off of it, then take off 5%, you have a shirt that is $80.75

The population 20 years ago was 125 alpacas. Answer: 125.

If the current population is 2000 and the population of alpacas doubles every 5 years, then we can write a formula for the population P after t years as:

\(p=p0* 2^{t/5}\)

where P0 is the initial population and t is the time in years. We want to find the population 20 years ago, so we need to solve for P0:

\(2000 = P0* 2^{20/5}\\ 2000 = P0* 2^{4} \\2000 = 16P0\\P0 = 2000/16\\P0 = 125\)

Therefore, the population 20 years ago was 125 alpacas. Answer: 125.

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Answer:

Given the equations, I plotted 2 lines.

Line 1               Line 2

 x  |  y                x  |  y  

 0  | 101             0  |  -5

  1  |  101             1  |  -6