Yoshi multiplied -6.2 by -0.14. His result was -0.868. Which statement likely describes the error he made in his calculation?

Yoshi did not apply the order of operations.
Yoshi applied the rules of signed numbers incorrectly.
Yoshi placed the decimal point in his answer in the wrong place.
Yoshi estimated, but he did not find the actual answer.

The number of round beads in the glitz jewelry kit are 25

An equation is the equality between two algebraic expressions, which have at least one unknown or variable.

Let x be the number of round beads in the glitz jewelry kit. Then the equation is written as,

6x + 100 = 250

Simplify the equation, then the value of 'x' is given as,

6x + 100 = 250

6x  = 250 - 100

6x = 150

x = 150/6

x = 25

The number of round beads there in each color will be 25.

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Answer:

Congruent angles have the same angle.

Hey there!

Congruent angles have the same angles measure (in degrees)

For example, angles with a measure of 59° and 60° are NOT congruent, but angles with with a measure of 72° and 72° ARE congruent.

hope it helps and have a great day!

Answer:

Step-by-step explanation:

You want the median for each of the histograms shown.

The median value is the value of the independent variable that divides the area of the histogram into two equal parts. It can be found as the variable value corresponding to half of the cumulative sum of areas.

To find it, we can find half of the total of the area of the histogram. This locates the bar containing the dividing line. Then we find the median as the  variable value interpolated between the area before the bar and the area including the bar.

This histogram is completely symmetrical, so the median is the value of x halfway between the limits of the middle bar:

  (10 +15)/2 = 12.5

The median is x = 12.5.

If we consider an interval of width 5 to be "1 unit", multiplying the width by the heights of the bars gives the series of areas ...

  (0.2, 0, 0.9, 0.9, 0.5, 0.5, 0.8, 0.2}

The total is 4, so half that is 2. The calculator tells us the cumulative total area (working from the left) is 2 at x = 20.

The median is x = 20.

Again, we choose "1 unit" horizontally to be 5 kg. Then the bar heights are the areas of the bars. The cumulative area is 20, so half the area is 10.

The highest bar, between 65 and 70, has a cumulative area of 6.8 at its left side and 12.6 at its right side. Then the cumulative area will be 10 at the point that is (10 -6.8)/(12.6 -6.8) = 3.2/5.8 = 16/29 of the distance between 65 and 70. The value of weight (kg) there is ...

  (16/29)(70 -65) +65 ≈ 67.759 . . . . kg

The median weight is about 67.8 kg.

__

Additional comment

The calculator image shows a calculation of median weight that is essentially the same, but executed differently.

If a1 and a2 are the cumulative areas on either side of the bar containing the median, and x1 and x2 are the x-values on either side of that same bar, then the median x is calculated from the median area m as ...

  x = ((a2 -m)x1 +(m -a1)x2)/(a2 -a1)

We have chosen bars of equal width to form the cumulative sum of areas. That way, we only need to be concerned with the bar height in the interval. You could use actual area values, which requires you multiply height by width for each bar. The above formula still works for that case.

The quartile locations can be found in similar fashion. If you have very many of these to do, a spreadsheet or statistics application may be helpful.

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Answer: 35.90

Step-by-step explanation:

Answer:its either 59 or 490

Step-by-step explanation:

Answer: 80 degrees

Step-by-step explanation:

Answer:

the remaining angle of triangle is 80° by the sum of triangle is 180.

The water level is rising at a rate of 0.1 cm/min when the water is 50 cm deep

Let's begin by finding the volume of water in the trough when the water is 50 cm deep. We know that the trough has an isosceles trapezoid cross-section, so we can find the area of the cross-section using the formula for the area of a trapezoid

A = ((b1 + b2)/2) × h

where b1 and b2 are the lengths of the parallel sides of the trapezoid, and h is the height of the trapezoid.

In this case, b1 = 20 cm, b2 = 80 cm, and h = 60 cm. So the area of the cross-section is

A = ((20 + 80)/2) × 60

A = 3000 cm^2

To find the volume of water in the trough when the water is 50 cm deep, we need to multiply the cross-sectional area by the length of the trough and the depth of the water

V = A × L × d

V = 3000 cm^2 × 10 m × 0.5 m

V = 15000 L

Now that we know the volume of water in the trough, we can find how fast the water level is rising by taking the derivative of the volume with respect to time

dV/dt = 0.3 m^3/min

We need to convert this rate to units of L/min, so we can multiply by 1000 to convert m^3 to L

dV/dt = 0.3 m^3/min × 1000 L/m^3

dV/dt = 300 L/min

Finally, we can use the formula

dV/dt = A × dh/dt

to find how fast the water level is rising when the water is 50 cm deep. We know A = 3000 cm^2, and we want to find dh/dt when d = 50 cm. We can rearrange the formula to solve for dh/dt

dh/dt = dV/dt / A

dh/dt = 300 L/min / 3000 cm^2

dh/dt = 0.1 cm/min

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The given question is incomplete, the complete question is:

A water trough is 10 m long and has a cross-section in the shape of an isosceles trapezoid that is 20 cm wide at the bottom, 80 cm wide at the top, and has height 60 cm. If the trough is being filled with water at the rate of 0.3 m3/min how fast is the water level rising when the water is 50 cm deep?

The surface area of that part of the plane 10x+7y+z=4 inside the elliptic cylinder x^2/25+y^2/9=1 is equal to πab, where a=5 and b=3. Therefore, the surface area is equal to 45π.

Total area on a three-dimensional shape's surface is known as surface area. The surface area of a cuboid with six rectangular faces can be calculated by adding the areas of each face. Alternatively, you can write down the cuboid's length, width, and height and use the formula surface area (SA)=2lw+2lh+2hw.

The general formula for a cube's surface area is as follows: The area of the base plus the area of the cube's vertical surfaces will add up to the cube's total surface area. The cube's total surface area is calculated using the formula 6a2, where an is the side length.

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To solve this problem we have to analyze each statement and establish a conclusion according to the information.

Let's break down each statement:

"There will be Choose (0-3) dots above 1."

This statement means that there will be some number of dots above 1, but that number can be anywhere from 0 to 3. "Choose" means that you can select any number from the given range.

"There will be Choose (1-4) dots above 1 1/2."

Similar to the previous statement, this means that there will be some number of dots above 1 1/2, but that number can be anywhere from 1 to 4.

"There will be Choose (0-3) more dots above 1/2 than 1."

This statement means that the number of dots above 1/2 will be some number greater than the number of dots above 1, but that difference can be anywhere from 0 to 3.

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Answer:

3

Step-by-step explanation:

3p - 1 = 5(p-1) -2(7-2p)

(simplify)

3p -1 = 5p-5-14+4p

3p-1 = 9p-19

(make p the subject)

3p-9p = -19+1

-6p = -18

p = -18/-6

p = 3

es 6

Step-by-step explanation:

3p-1=  5p-5-14mas4p

3p-4p-5p= -5-14mas1

3p-4p-5p= -18

3p-9p=-18

_3p=-18

p=-18:-3

p=6

Arithmetic expressions can be used as control expressions in programming languages when a control structure, such as an if statement or a loop, expects a condition to determine the flow of execution

Arithmetic expressions can be used as control expressions in certain programming languages or contexts where a control structure expects a conditional expression to determine the flow of execution.

Typically, control expressions are used in decision-making structures such as if statements, while loops, for loops, and switch statements.

In most programming languages, the control expression must evaluate to a boolean value (true or false) in order to determine the execution path. However, some languages allow arithmetic expressions to be used in control structures, considering a value of zero as false and any non-zero value as true.

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Answer:

B. 7−10; 11−14; 15−18; 19−22

Step-by-step explanation:

The concert venue is expected to earn $132,860 in profit from sales

The expected amount the company earns as profit can be calculated as follows:

First, we need to find out how many patrons are expected to buy souvenirs: 14,600 patrons x 0.65 = 9,490 patrons.

Then, we need to find out the total revenue from souvenir sales: 9,490 patrons x $20 = $189,800.

Finally, we need to subtract the amount donated to local charities: $189,800 x 0.3 = $56,940.

The expected amount the company earns as profit is therefore: $189,800 - $56,940 = $132,860.

In summary, based on the given information, the concert venue is expected to earn $132,860 in profit from sales of souvenirs at the upcoming weekend concert, after donating 30% of its proceeds to local charities.

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Answer:

O is largest, C is medium, and T is smallest

Step-by-step explanation:

You need to pay close attention to the side length. The higher the length, the smaller the angle.

:)

In given triangle, the value of t is 3.75 and the value of s is 10.4.

In a right triangle, the hypotenuse is the longest side, a "opposite" side is the one across from a given angle, and a "adjacent" side is close to a given angle. We use unique terminology to describe the sides of right triangles.

We can set up the following ratios because the two triangles in the illustration are comparable to one another:

t / 5 = 6 / 8 (using the smaller triangle)

s / 13 = 8 / 10 (using the larger triangle)

Simplifying these ratios, we get:

t / 5 = 3 / 4

s / 13 = 4 / 5

We may cross-multiply and simplify to find t and s:

t = 5(3/4) = 15/4 = 3.75

s = 13(4/5) = 10.4

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Answer:

12

Step-by-step explanation:

(5+2)^2 - 40 + 3

= 7^2 - 40 + 3

= 49 - 40 + 3

= 49 - 40

= 9+3

= 12

Answer:

\(Distance = Speed \times Time\)

Step-by-step explanation:

Further -Explanation

\(Speed = 55 miles\\Time = 4 hours\\Distance = 55 \times 4\\Distance = 220miles/hour\)

Answer:

28

Step-by-step explanation:

f(10) means replace all x's with 10. f(10) = 3(10) - 2 -> 30-2 = 28

Answer: 15 times the first equation and -12 times the second equation

Step-by-step explanation:

Quotient of 3 3/7 and 2/5: 47/10. When dividing mixed numbers, convert them to improper fractions. Multiply the first fraction by the reciprocal of the second, then simplify.

To find the quotient of 3 3/7 and 2/5, we convert the mixed number 3 3/7 into an improper fraction. Multiply the whole number (3) by the denominator (7) and add the numerator (3) to get 24. The new numerator becomes 24 + 3 = 27. Thus, 3 3/7 can be written as the improper fraction 27/7.

Next, we find the reciprocal of the second fraction, 2/5, which is 5/2. Now, we can multiply the fractions: (27/7) * (5/2). Multiplying the numerators (27 * 5) gives us 135, and multiplying the denominators (7 * 2) gives us 14. Therefore, the result is 135/14.

Lastly, we simplify the fraction by dividing both the numerator and denominator by their greatest common divisor, which is 5. After simplification, the quotient becomes 27/2 or 13 1/2.

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$144104.88 Bill have at the end of the twentieth year if he can earn 12 percent on his contributions.

Given that,

For the next 20 years, Bill intends to contribute the maximum $2,000 each year to his individual retirement account (ira).

We have to find how much will Bill have at the end of the twentieth year if he can earn 12 percent on his contributions.

We know that,

The worth of repeated payments at a specific future date, less a specified refund rate or a discount rate, is known as the future annuity value. The annuity amount increases with the discount rate.

According to the information provided, Future Value of Annuity equals:

FV= A×[(1+r)ⁿ-1]/r

Here,

A is periodic payment

r is rate per period

FV is future value

n is number of period

FV=2000×[(1+0.12]²⁰-1]/0.12

FV=2000×72.05244

FV=$144104.88

Therefore, $144104.88 Bill have at the end of the twentieth year if he can earn 12 percent on his contributions.

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Answer:

It's in Quadrant IV.

..............

Answer:

x = 140°

Step-by-step explanation:

x is a supplementary angle to 40°. This means that when added together equals 180°

x = 180° - 40° = 140°

Answer:

Step-by-step explanation:

Since I can't see slide 2   I don't know what pattern they want you to see, but, I do know that  when you have a line with an angle... the other side , here that is the 'X'   will always be  180 - 40 =  X      

X is easy to solve that way. it's , ofc 140  :D  

Answer:

1. 30

2. x = 0

3. x = 10

4. 11.7

5. 60

Step-by-step explanation:

Answer:

Below

Step-by-step explanation:

7/4 = 14/8 hr

14/8  + 27/8  = (14+27) / 8 = 41/8 = 5  1/8   hr

Answer:

36 in.

Step-by-step explanation:

The perimeter is the sum of the length of all the sides.

Perimeter of the figure

= 8 +8 +4 +6 +10

= 36 in

a. X can be an instrument for itself if relevant.
b. Exogenous variables don't affect instrument relevance.

a. The reasoning or statement is correct. X can serve as an instrumental variable for itself in certain cases. This occurs when X is endogenous (correlated with the error term in the regression equation) and there is a valid reason to believe that X affects the outcome variable but is not directly affected by other factors.

b. In the presence of exogenous variables (W's) in the model, the F-statistic described above, which tests whether all first-stage parameters are zero, is not used to determine the relevance of instruments. The concept of relevance of instruments is concerned with whether the instruments are correlated with the endogenous variable (X) in the first stage. Exogenous variables (W's) are not part of the relevance assessment because they are assumed to be unrelated to the endogenous variable. Therefore, the F-statistic used to test relevance would only consider the instruments (Z1, Z2, Z3, Z4) and their correlation with X, disregarding the presence of exogenous variables.

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One example of a parameter is the typical number of hours each night that the entire group of college-enrolled students sleeps.

Therefore, one example of a parameter is the typical number of hours each night that the entire group of college-enrolled students sleeps.

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The correct question is given below:
A researcher is interested in the sleeping habits of students at the local state college. The average number of hours spent sleeping each night for the entire set of students enrolled at the college is an example of a ____.

Answer:

She will earn £9.01 per hour after the pay rise

Step-by-step explanation:

Here, we want to calculate a value, given the percentage of the pay rise

From the question, the percentage is 6%

The pay rise is thus;

8.50 + 6% of 8.50

= 8.50 + (6*8.5)/100

= 8.50 + 0.51

= £9.01

Answer:

yes

Step-by-step explanation:

they start from the same place so ya, that is proportional

Answer:

No. Rob was correct to extend the lines to the origin, but the points should be on a single straight line. He made two straight lines.

Step-by-step explanation: