NEED HELP ON THIS ASAP PLZ!!​

Explanation:

There are 50+30 = 80 grams of sugar and water mixed together.

The percentage of sugar is 50/80 = 5/8 = 0.625 = 62.5%

Answer:

Your answer is 10 cause 100 divided by 10 is 10

Step-by-step explanation:

Answer:

26

Explanation:

The average can be calculated as the sum of all the numbers divided by the size of the numbers. Since there are 10 numbers, the average is equal to:

Therefore, the average is 26

Answer:

Kate.

Step-by-step explanation:

Answer:

Kate, 29.26 is correct

Step-by-step explanation:

99.91 - 70.65 is 29.26

Answer:

Probabilidad de que los dos primeros cazadores seleccionados de los 123 cazadores heridos usaran ropa naranja = 0.0020

Probability that the first two selected hunters out of the 123 injured hunters wore orange clothing = 0.0020

Step-by-step explanation:

Hay un total de 6 personas que vestían de naranja de las 123 personas heridas.

Como las dos personas son elegidas sin reemplazo,

Probabilidad de que la primera persona elegida vistiera de naranja = (6/123)

Probabilidad de que la segunda persona elegida también vistiera de naranja = (5/122)

Probabilidad de que los dos primeros cazadores seleccionados de los 123 cazadores heridos usaran ropa naranja = (6/123) × (5/122) = 0.0019992003 = 0.0020 a 4 d.p.

¡¡¡Espero que esto ayude!!!

English Translation

There are a total of 6 people that were wearing orange out of the 123 injured people.

Since the Two people are picked without replacement,

Probability that the first person picked was wearing orange = (6/123)

Probability the second person picked was wearing orange too = (5/122)

Probability that the first two selected hunters out of the 123 injured hunters wore orange clothing = (6/123) × (5/122) = 0.0019992003 = 0.0020 to 4 d.p.

Hope this Helps!!!

Check the picture below.

The percentage change in GDP is 2.04%

Percentage Change is the difference coming after subtracting the old value from the new value and then divide by the old value and the final answer will be multiplied by 100 to show it as a percentage. Generally, to convert a fraction into a percent, we multiply it by 100.

The formula of percentage change is given as

Percentage change =[ (New increase - old value) / old value] * 100

Percentage change = [(14.72 - 14.42) / 14.72] * 100

Percentage change = 2.04%

In this case, there is a percentage decrease of 2.04%

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Answer:

The answer is B. they are congruent because they are a pair of corresponding angles.

Answer:

B)

Step-by-step explanation:

Angles 1 and two are corresponding angles, because if you were to move the top line down, the two angles would be in the exact same spot.

The solution to the system of equations is x = 1/2, y = 1/4.

To find the solution to a system of equations from a graph, we need to locate the point where the two lines intersect. This point represents the solution to the system of equations, as it satisfies both equations simultaneously.

From the graph, the x value and y value of the point of intersection is approximately x = 1/2 and y = 1/4.

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Answer:

  Coupon A is better by $2.80.

Step-by-step explanation:

You want to know how much better the best price is between coupon A's $55 rebate on $87 worth of pants, or coupon B's 60% off.

The price reduction offered by coupon B is ...

  0.60 × $87 = $52.20

Clearly, the $55 reduction offered by coupon A is a greater reduction than the $52.20 reduction offered by coupon B. The difference in value is ...

  $55.00 -52.20 = $2.80

Coupon A gives the lower price by $2.80.

Answer:

its D

Step-by-step explanation:

calculator

To find the common roots between two functions, we need to find the roots (or solutions) of each function individually and then identify the shared solutions.

For the function f(x) = x^2 + x - 6, we can find the roots by setting the function equal to zero and solving for x:

x^2 + x - 6 = 0

To factorize this quadratic equation, we need to find two numbers that multiply to -6 and add up to 1 (the coefficient of x). The numbers that satisfy these conditions are 3 and -2:

(x + 3)(x - 2) = 0

Setting each factor equal to zero:

x + 3 = 0 or x - 2 = 0

Solving for x in each equation:

x = -3 or x = 2

Therefore, the function f(x) = x^2 + x - 6 has two roots: x = -3 and x = 2.

To find the common roots between this function and another function, we would need to know the second function. If you provide the second function, I can help determine if there are any shared roots.

Answer:

40%

Step-by-step explanation:

12 divided by 30 will give you 0.4

The percent of the increase, rounded to the nearest tenth of a percent, concerning the sales of boxes of cookies that Molly sold last month and this month, is 11.5%.

The percentage increase can be determined by finding the difference or the amount of increase in sales.

This difference is divided by the previous month's sales and multiplied by 100.

The total number of boxes of cookies Molly's Scout Troop sold last month = 148

The total number sold this month = 165

The increase = 17 (165 - 148)

Percentage increase = 11.5% (17 ÷ 148 x 100)

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Answer:

D stays for 1 and as B is -6

the length of BD should be 7

good luck <3!

Answer:

21/2 or 10 1/2

Answer:

Engineer: 9.5 hr

Assistant: 4.5 hr

Step-by-step explanation:

To solve this problem, we can create and solve a system of equations.

Define the variables:

Given the engineer's time is billed at $40 per hour, and her assistant's is billed at $10 per hour, and a customer received a bill for $425 for a certain job:

Given the assistant worked 5 hours less than the engineer:

Therefore, the system of equations that represents the problem is:

\(\begin{cases}40x+10y=425\\ \quad \qquad \;\;\;y=x-5\end{cases}\)

Substitute the second equation into the first equation to eliminate y:

\(40x+10(x-5)=425\)

Solve the equation for x to find the number of hours the engineer worked:

\(\begin{aligned}40x+10(x-5)&=425\\40x+10x-50&=425\\50x-50&=425\\50x&=475\\x&=9.5\end{aligned}\)

Therefore, the engineer worked 9.5 hours.

Substitute the found value of x into the second equation and solve for y to find the number of hours the assistant worked:

\(\begin{aligned}y&=x-5\\y&=9.5-5\\y&=4.5\end{aligned}\)

Therefore, the assistant worked 4.5 hours.

Answer:68.055

Step-by-step explanation:Google said so ;))

Let's rewrite the equation as:

y = -8x⁻¹ + 5x⁻²

y' = -(1)*-8x⁻² + (-2)*(5)x⁻³

y' = 8/x² - 10/x³

Now, let's evalute y' for x = 2:

y'(2) = 8/(2)² - 10/(2)³ = 8/4 - 10/8 = 2 - 5/4 = 3/4

The sine and cosine of the angle of point P are sin θ = 143/145 and cos θ = -24/145 respectively. Option b. is the answer

Given the coordinate of the point as P (-24/145, 143/145)

This implies x = -24/145 and y =  143/145

To determine the sine and cosine of the angle of point P, we can make a sketch using this information (see attached image).

opposite = 143/145, adjacent = -24/145

hypotenuse = √[(-24/145)² + (143/145)²] = √1 = 1

Using trigometric ratios:

sin θ =   (143/145) / 1 = 143/145    [sin θ = opposite/ hypotenuse]

cos θ =  (-24/145) / 1 = -24/145    [cos θ = adjacent/ hypotenuse]

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The volume of the triangular prism is 4.5ft³

A prism is a polyhedron comprising an n-sided polygon base, a second base which is a translated copy of the first, and n other faces, necessarily all parallelograms, joining corresponding sides of the two bases.

The volume of a triangular prism = area of the triangular base × height

area of base = 1/2 b× h

12in = 1foot

1 in = 1/12 foot

18 in = 1/12 × 18

= 1.5 feet

= 1/2 × 1.5× 2

= 1.5 ft²

Height of the prism = 3ft

Volume of the triangular prism = 1.5 × 3

= 4.5ft³

Therefore the volume of the triangular prism is 4.5 ft³

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Answer:

Step by step explanation:

The option II "The interval is narrower than a 98% confidence interval would be" and III "95% of all samples would show mean commercial length between 23 and 27 seconds" is the true about the question. So the option d is correct.

If all possible samples are taken and confidence intervals are calculated, 95% of them will include the true population mean somewhere within their range.

Because of the large margin of error, a 98 percent confidence interval would be wider than a 95 percent confidence interval. So, here we are. The confidence interval is narrower than a 98% confidence interval.

Furthermore, 95% of all samples would have a mean commercial length of 23 to 27 seconds. As a result, the correct answer is II and III (d).

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The intersection of sets M and F contains the elements "c" and "d".

To find the intersection of sets M and F, we need to identify the elements that are common to both sets.

M = {a, b, c, d}

F = {c, d, e, f}

The intersection of M

and F is denoted by M ∩ F, which represents the set containing elements that are present in both M and F.

Looking at the elements in M and F, we can see that the common elements between the two sets are "c" and "d".

Therefore, the intersection of M and F can be expressed as:

M ∩ F = {c, d}

So, the intersection of sets M and F contains the elements "c" and "d".

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Answer:

75 minutes

Step-by-step explanation:

if 4 miles is 30 minutes, then (2) 4 mile runs will be 60 minutes. 1/2 of 4 miles is 2 miles, so 1/2 of 30 minutes will be 15 minutes. Now this becomes 60 minutes plus 15 minutes which gives the total of 75 minutes to take Karen to run 10 miles.

Answer:

To calculate Karl Pearson's coefficient of skewness, we need to use the formula:

Skewness = 3 * (Mean - Mode) / Standard Deviation

Given the Mean = 73.19, Mode = 79.56, and Variance = 16, we need to find the Standard Deviation first.

Standard Deviation = √Variance = √16 = 4

Now we can substitute the values into the formula:

Skewness = 3 * (73.19 - 79.56) / 4

Skewness = -6.37 / 4

Skewness = -1.5925

Rounded to four decimal places, the Karl Pearson's coefficient of skewness for the given values is approximately -1.5925.

Answer:

The tenth place

Step-by-step explanation: