Can someone pls help!!!!!!

Answer:

13/10

Step-by-step explanation:

\(m = \frac{ - 23 - 42}{ - 26 - 24 } \\ = \frac{65}{50 } \\ = \frac{13}{10} \)

Answer:

2.005 x 10^2

Step-by-step explanation:

Using A as the center of dilation and a scale factor, BC is dilated by 12 units.

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Here the statements 1, 2, 3, 4, 5, 7, 8, 10 are correct according to the rules of the shapes.

1: A rhombus is a quadrilateral with four equally sized sides. Each square is a rhombus since they all have four sides that are the same length. 2: Due to the parallel alignment of its opposing sides, every rhombus is a parallelogram. 3: It is true that all rectangles are parallelograms since they have two sets of parallel sides and two pairs of equal opposing sides. 4: The other is split into two equal halves by each bisector. 5: If a quadrilateral's diagonals are equal and bisect one another at right angles, it is a square. 7: Since the diagonals themselves are congruent, each bisected line segment is also congruent. 8: The diagonals split a rhombus's vertex angles into equal halves. The diagonals of a rhombus are at right angles to one another. 10: A square is a rhombus. Sometimes, this is accurate. When a rhombus has four right angles, it is true. So the statements 1,2,3,4,5,7,8,10 are correct.

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Given:

Betty and Theresa together complete a job in 20 hours.

Betty alone does a work in 60 hours.

The aim is to find the time Theresa will take to complete the job alone.

Therefore,

Betty and Theresa's 1 day work:

Betty's 1 day work when he works alone:

Now, Theresa's 1 day work when he works alone is given by:

Hence, Theresa can do the job in 30 hours working alone.

Answer:

Step-by-step explanation:

E - 4,-2

F - 6, -3

G - 1, -4

There is approximately an 89.44% probability that a box of cereal is underfilled by 5 g or more.

To find the probability that a box of cereal is underfilled by 5 g or more, we need to calculate the probability of obtaining a weight measurement below 345 g.

First, we can standardize the problem by using the z-score formula:

z = (x - μ) / σ

Where:

x = the weight value we want to find the probability for (345 g in this case)

μ = the mean weight (350 g)

σ = the standard deviation (4 g)

Substituting the values into the formula:

z = (345 - 350) / 4 = -1.25

Next, we can find the probability associated with this z-score using a standard normal distribution table or a statistical calculator.

The probability of obtaining a z-score less than -1.25 is approximately 0.1056.

However, we are interested in the probability of underfilling by 5 g or more, which means we need to find the complement of this probability.

The probability of underfilling by 5 g or more is 1 - 0.1056 = 0.8944, or approximately 89.44%.

Therefore, there is approximately an 89.44% probability that a box of cereal is underfilled by 5 g or more.

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Answer: To calculate the average cost per widget, we need to consider both the fixed costs and the variable costs.

Fixed costs: $34,000

Variable costs per widget: $5.00

Total costs = Fixed costs + (Variable costs per widget × Number of widgets)

Total costs = $34,000 + ($5.00 × 7,000)

Total costs = $34,000 + $35,000

Total costs = $69,000

Average cost per widget = Total costs / Number of widgets

Average cost per widget = $69,000 / 7,000

Average cost per widget ≈ $9.86

Therefore, the average cost per widget of producing 7,000 Wild Widgets is approximately $9.86.

Step-by-step explanation: :)

the equation of the Linear function will be f(x) = -19x + 14.

A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. Sometimes, the aforementioned is referred to as a "linear equation of two variables," with y and x serving as the variables.

Given a data set of a linear function

The slope-intercept form of the equation of a line

y=mx+b,

where m is the slope

b is the y-intercept (the value of y, at x = 0)

since, slope = (y - y')/(x -x')

In our case,

Slope = (128 -90)/ (-6 + 4)

Slope = 38/-2

Slope = -19

And b = 14 (Given)

Thus,

The equation of Line:

y = -19x + 14

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Answer:

k = 140 degrees.

The missing INTERIOR angle is 40 degrees.

Step-by-step explanation:

The missing interior angle would be 40.

Triangle angle sum theorem states the 3 interior angles of a triangle sum to 180.

64+76+40 = 180

The exterior angle theorem states the exterior angle of a triangle is equal to the sum of the two remote interior angles of the triangle.

Exterior angle k = 64+76

k= 140

Answer:

90 degrees

Step-by-step explanation:

Step-by-step explanation:

it is still precisely the same method and formula just with different numbers.

y = -16x² + 212x + 139

we assume, the ground is at 0 ft.

so, we need to solve

0 = -16x² + 212x + 139

the general solution for such quadratic equations is

x = (-b ± sqrt(b² - 4ac))/(2a)

in our case

a = -16

b = 212

c = 139

x = (-212 ± sqrt(212² - 4×-16×139))/(2×-16) =

= (-212 ± sqrt(44944 + 8896))/-32 =

= (-212 ± sqrt(53840))/-32

x1 = (-212 + 232.0344802...)/-32 = -0.626077506... s

x2 = (-212 - 232.0344802...)/-32 = 13.87607751... s

again, the negative solution for time did not make any sense, so, x2 is our solution.

the rocket will hit the ground after about 13.88 seconds.

Answer:

18 pages

Step-by-step explanation:

20 : 2 = 10 minutes

12 : 2 = 6 pages

10 x 3 = 30 minutes

3 x 6 = 18 pages

Answer:

24

Step-by-step explanation:

Use the triangle area formula: A=1/2 (base)(height)

Plug in what we know: 216=1/2(18)(h)

Solve for h: (1/2)(18)=9.

216/9=24.

So, h=24

To check, plug it into the formula: 1/2(18)(24)= 216

Answer:

C and E

Step-by-step explanation:

23 > 16 and \(23\geq 16\) are both true statements since the quantity of 23 is greater than that of 16.

Given:

Total cost to rent a bike: $33

Total time: 8 hours

To find the cost per hour, divide the total cost by the total time.

Cost per hour: $33/8hour

Cost per hour: 4.12 $/hour

Answer: 4.12 $/hour.

Answer: i. y = 60÷5

Step-by-step explanation: If he has 60 sheets of paper and 5 notebooks, it would only make sense to divide the number of sheets by the number of notebooks to get the sum. Which is 12 btw! <33

Answer:

There are 50,000 decimeters in 5 kilometers

Step-by-step explanation:

as for showing my work not really sure what you want me to do it's pretty straightforward, butttttttt what i did was multiply the length value by 10,000, so \(10,000=10^4\)

I'm not sure if that's what you're looking for but I hope this helps :)

Step-by-step explanation:

Based on the information given, we have a diagram with two sides labeled as 13.3 mm and 5.5 mm, and another side labeled as X mm.

To find the length of X, we can use the fact that the sum of the lengths of the sides of a triangle is equal to the perimeter.

Perimeter = 13.3 mm + 5.5 mm + X mm

The perimeter is the total distance around the triangle. Since we have three sides, the perimeter is the sum of the lengths of those sides.

To find X, we can subtract the sum of the known sides from the perimeter:

X mm = Perimeter - (13.3 mm + 5.5 mm)

Since the value of X is not given, we cannot calculate it without the perimeter value. If you provide the perimeter value, I can help you find the length of X.

The solution set of this inequality is {x| x > -6.1}

Here we have the inequality:

2x + 8 > -4.2

To find the solution set, we need to isolate the variable x in one of the sides of the inequality. Doing that we will get:

2x + 8 > -4.2

2x > -4.2 - 8

2x > -12.2

x > -12.2/2

x > -6.1

So the set of all numbers larger than -6.1, this in number form is:

{x| x > -6.1}

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Given data:

Perimeter of the saquare is 36 units.

The side of square is x+3

the formula to find the perimeter of the square is 4a.

to find the value of x ,

Therefore, x = 6.

Answer:

25

Step-by-step explanation:

5x5 = 25

Answer:

25

Step-by-step explanation:

Let's go through our times tables really quick!

5x1 = 5 (5 + 0)

5x2 = 10 (5 + 5)

5x3 = 15 (5 + 5 + 5 [10 + 5])

5x4 = 20 (5 + 5 + 5 + 5 [15 (5x3) + 5)

As we can see, if we know 5x4, we can easily find 5x5! It's just 5x4 + 5

So, 5x5 is 25

Hope this helped!

Answer:

-83

Step-by-step explanation:

it's too complicated to put an explanation, sorry

Answer:

yea

Step-by-step explanation:

Nice good beautiful

Answer:

D

Step-by-step explanation:

amplitude is the distance between the center line (in THIS case, the x-axis) and the highest peak

period is the "time" it takes for the function to complete one FULL cycle. since the function starts positive from (0,0), and returns from its first lowest point up to (6,0), you find the period by subtracting 6-0.

I have seen waves on the surface of the sea.

These were waves that changed over time, and an object that was on the surface (an empty plastic bottle) will go up and down with time, but NOT displacing horizontally.

If I could measure the difference between when the bottle was at the top of a rest or at the bottom, I would say that the "peak-to-peak) distance was about 4 feet, which would make the actual amplitude of the wave of a 2 feet magnitude.

The frequency of the wave movement was associated with how fast the bottle will swing up and down. If I recall correctly it would take a little more than a second to go from top to bottom, which will make the frequency of about one full cycle every 3 seconds: f = 1/3 (1/sec)

Answer:

Step-by-step explanation:

The question is incomoplete. Here is the complete question.

The function T(d)=10d + 20 gives the temperature in deegrees celcius inside the earth as a function if d, the depth in kilometers ,Find the temperature at 5km, 20km and 100km

T(d)=10d + 20

T(5)=10(5) + 20

T(5)=  50+ 20

T(5) = 70

Hence the temperature is 70 when d = 5km

when d = 20km

T(20)=10(20) + 20

T(20)=  200+ 20

T(20) = 220

Hence the temperature is 220 when d = 20km

when T = 100km

T(100)=10(100) + 20

T(100)=  1000+ 20

T(100) = 1020

Hence the temperature is 1020 when d = 100km

The temperatures at 5km, 20km and 100km are; 70°C, 220°C, and 1020°C respectively.

The complete question requires that we find the temperature at 5km, 20km and 100km.

The temperature function is; T(d)=10d + 20

For 5km;

For 20km;

For 100km;

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