50 Points! Multiple choice geometry question. Photo attached. Thank you!

Answer:

Step-by-step explanation:

How Far Can A Snail Travel In One Hour

If a snail can travel over half an inch per minute, that means in one hour a snail can travel up to 40 inches. If you want to think about how far this is in feet, it means that snails move up to 3.5 feet per hour.

Consider the fact that the average human being can walk about a mile, or 5280 feet, in one hour.

This means that snails can take up to 1,500 days, or over 4 years, to travel just one mile.

Answer:

Tan x = sin x / √[1 - sin²θ]

Step-by-step explanation:

We know that;

Tanx = Sinx / cosx

Squaring both side

Tan²x = Sin²x / cos²x

[cos²θ = 1 - sin²θ]

So,

Tan²x = Sin²x / [1 - sin²θ]

Taking root both side

Tan x = sin x / √[1 - sin²θ]

Answer:

\(C. \frac{1}{2} \times \frac{5}{4} \)

The multiplier that will give the value of this house after 2 years is 2.22

What is multiplier?

The multiplier in this case means the extent to which the price of the house increases over the two-year period rather than the increase in individual years in years 1 and 2 which are denoted as 10% and 12%, in essence, we need to add 1 to the growth rate in the year in both years 1 and 2 respectively, then multiply the results together to arrive at the multiplier of the housing price

multiplier=(1+% increase in year 1)+(1+% increase in year 2)

% increase in year 1=10%

% increase in year 2=12%

multiplier=(1+10%)+(1+12%)

multiplier= 2.22

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Answer:

standard form=ax+by+c=0

Step-by-step explanation:

0.25x-0.2y-0.1=0

Using rounding concepts, it is found that the estimates of the square root of 46 are given as follows:

a) Rounded to the nearest integer, the square root of 46 is of 7.

b) Rounded to the nearest tenth, the square root of 46 is of 6.8.

Using a calculator, we have that the square root of 46 is of 6.78.

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Answer:

15/5×20

Step-by-step explanation:

First divide both side of the cylinder. and do the length of the cylinder by formula

Answer:

(a) Probability that a family of a returning college student spend less than $150 on back-to-college electronics is 0.0537.

(b) Probability that a family of a returning college student spend more than $390 on back-to-college electronics is 0.0023.

(c) Probability that a family of a returning college student spend between $120 and $175 on back-to-college electronics is 0.1101.

Step-by-step explanation:

We are given that according to an NRF survey conducted by BIG research, the average family spends about $237 on electronics in back-to-college spending per student.

Suppose back-to-college family spending on electronics is normally distributed with a standard deviation of $54.

Let X = back-to-college family spending on electronics

SO, X ~ Normal(\(\mu=237,\sigma^{2} =54^{2}\))

The z score probability distribution for normal distribution is given by;

                                 Z  =  \(\frac{X-\mu}{\sigma}\)  ~ N(0,1)

where, \(\mu\) = population mean family spending = $237

           \(\sigma\) = standard deviation = $54

(a) Probability that a family of a returning college student spend less than $150 on back-to-college electronics is = P(X < $150)

        P(X < $150) = P( \(\frac{X-\mu}{\sigma}\) < \(\frac{150-237}{54}\) ) = P(Z < -1.61) = 1 - P(Z \(\leq\) 1.61)

                                                             = 1 - 0.9463 = 0.0537

The above probability is calculated by looking at the value of x = 1.61 in the z table which has an area of 0.9463.

(b) Probability that a family of a returning college student spend more than $390 on back-to-college electronics is = P(X > $390)

        P(X > $390) = P( \(\frac{X-\mu}{\sigma}\) > \(\frac{390-237}{54}\) ) = P(Z > 2.83) = 1 - P(Z \(\leq\) 2.83)

                                                             = 1 - 0.9977 = 0.0023

The above probability is calculated by looking at the value of x = 2.83 in the z table which has an area of 0.9977.

(c) Probability that a family of a returning college student spend between $120 and $175 on back-to-college electronics is given by = P($120 < X < $175)

     P($120 < X < $175) = P(X < $175) - P(X \(\leq\) $120)

     P(X < $175) = P( \(\frac{X-\mu}{\sigma}\) < \(\frac{175-237}{54}\) ) = P(Z < -1.15) = 1 - P(Z \(\leq\) 1.15)

                                                         = 1 - 0.8749 = 0.1251

     P(X < $120) = P( \(\frac{X-\mu}{\sigma}\) < \(\frac{120-237}{54}\) ) = P(Z < -2.17) = 1 - P(Z \(\leq\) 2.17)

                                                         = 1 - 0.9850 = 0.015

The above probability is calculated by looking at the value of x = 1.15 and x = 2.17 in the z table which has an area of 0.8749 and 0.9850 respectively.

Therefore, P($120 < X < $175) = 0.1251 - 0.015 = 0.1101

Answer:

26

Step-by-step explanation:

7(4)+-2

28-2=26

Step-by-step explanation:

y = 4 and z = -2

\( = 7y + z\)

\( = 7 \times 4 + ( - 2)\)

\( = 28 - 2\)

\( = 26...\)

∠LMN is an obtuse angle.

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

Explanation

Let's go through the answer choices to see which are true, and which are false.

The P(Quarter | Nickel) = (1/21) / (4/7)will be 0.0833

The probability of P(Quarter then Dime) is 0.0476

a) Considering that one nickel had been taken from the box, which consists of three nickels, one quarter, and two dimes, the probability of pulling a quarter next is:

P(Quarter | Nickel) = P(Quarter and Nickel) / P(Nickel)

P(Nickel) denotes the probability of taking a nickel first, in this case being (4/7).

Consequently, P(Quarter | Nickel) = (1/21) / (4/7) = 1/12 ≈ 0.0833

(b) Hereby, to calculate the probability of getting a quarter first; and then a dime second:

P(Quarter then Dime) = P(Quarter) * P(Dime | Quarter has already been drawn).

Lastly, P(Dime | Quarter) defines the probability of picking up a dime as a subsequent draw, given that a quarter was withdrawn earlier. Herein, it is computeable by 2/6 = 1/3, where six remaining coins of which two are dimes.

Henceforth, P(Quarter then Dime) = (1/7) * (1/3) = 1/21 ≈ 0.0476

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The number she'd have is:

Explanation:

First, let's see which number is in the tens place and which number is in the ones place (the units place).

In the number 548, the place value of 5 is hundreds, the place value of 4 is tens, and the place value of 8 is ones (or units).

So if Sera adds two to the units, she'll have 10. But, since we can't write the number as 5410 (that would be a totally different number), we just write 0 in the units place, and shift 1 to the tens place, which gives us :

550

That's not all, since we also add 1 to the tens:

560

Answer:

Step-by-step explanation:

Here we are multiplying together two complex numbers which happen to be identical:  both are 5 - 7i).

This is also "the square of 5 - 7i:  (5 - 7I)^2

In both cases, the result is 25 - 35i - 35i - 49, or 74 - 70i

Please refer to the attached image of this answer for the graph of \(3x +2y = 6\).

In a line When the line is parallel to the x-axis, the slope is zero. The first set of coordinates' slope will be 0.

In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction.

If a line passes through two points (x₁ ,y₁) and (x₂, y₂) ,where (x₂,y₂) and (x₁,y₁) are the coordinates of any point on the line of slope.

then the equation of line is

y - y₁ = (y₂- y₁) / (x₂ - x₁) x (x - x₁)

To find the slope;

m =  (y₂- y₁) / (x₂ - x₁)

1. For the first slope, the given coordinates are;

(-3,2), (-1,2), (1,2) and (3,2).

Now, if we take the first and the last point to calculate the slope of the line, we will get,

m =  (y₂- y₁) / (x₂ - x₁)

m = (2-2) / (3+3) = 0

Thus, the slope of the line is 0.

2. For the second slope, the given coordinates are;

(-3,3), (-1,1), (1,-1) and (3,-3).

Now, if we take the first and the last point to calculate the slope of the line, we will get,

m =  (y₂- y₁) / (x₂ - x₁)

m = (-3-3) / (3+3) = -1

Thus, the slope of the line is -1.

3. For the third slope, the given coordinates are

(-5,-5), (0,0) and (5,5).

Now, if we take the first and the last point to calculate the slope of the line, we will get,

m =  (y₂- y₁) / (x₂ - x₁)

m = (5+5) / (5+5) = 1

Thus, the slope of the line is 1.

4. For the fourth slope, the given coordinates are

(-2,5), (-2,0) and (-2,5)

Now, if we take the first and the last point to calculate the slope of the line, we will get,

m =  (y₂- y₁) / (x₂ - x₁)

m = (-2+2) / (5-5) = ∞

Thus, the slope of the line is undefined.

Therefore, the slope of the first pair of coordinates will have no slope or zero slopes.

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The possible values of x are 51% < x < 59%.

When you are given various values, the range of those values is how big the difference is between the largest value and the smallest value. In other words, the range is what you get when you subtract the smallest value in the group from the largest value in the group.

Its possible values are 1, 2, 3, 4, 5, and 6; each of these possible values has a probability of 1/6. 4. The word “random” in the term “random variable” does not necessarily imply that the outcome is completely random in the sense that all values are equally likely.

Let K represent Kofi

1st paper = 45/100

2nd paper = x / 100

Mean score = ( 45 + x ) % / 2

The possible range of x = 48% < (45+X)/2 < 52%

Cross multiplying

96% < 45 + x < 104%

Subtract 45 from both sides

Range = 51% < x < 59%

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Answer:

(1.5, 0.5)

Step-by-step explanation:

(5, 3) and (-2, -2)

5 - 2 / 2 = 1.5

-2 + 3 / 2 = 0.5

With the help of the given Venn diagram, the answer of n(A∪B) is 44 respectively.

A Venn diagram is a visual representation that makes use of circles to highlight the connections between different objects or limited groups of objects.

Circles that overlap share certain characteristics, whereas circles that do not overlap do not.

Venn diagrams are useful for showing how two concepts are related and different visually.

When two or more objects have overlapping attributes, a Venn diagram offers a simple way to illustrate the relationships between them.

Venn diagrams are frequently used in reports and presentations because they make it simpler to visualize data.

So, we need to find:

A ∪ B

Now, calculate as follows:

The collection of all objects found in either the Blue or Green circles, or both, is known as A B. Its components number is:

8 + 7 + 14 + 6 + 1 + 8 = 44

n(A∪B) = 44

Therefore, with the help of the given Venn diagram, the answer of n(A∪B) is 44 respectively.

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Answer:

Answer is B

Step-by-step explanation:

If you are unsure about where to start, you could always plot some numbers down until you see a general pattern.

But a more intuitive way is to determine what happens during each transformation.

A regular y = |x| will have its vertex at the origin, because nothing is changed for a y = |x| graph. We have a ray that is reflected at the origin about the y-axis.

Now, let's explore the different transformations for an absolute value graph by taking a y = |x + h| graph.

What happens to the graph?

Well, we have shifted the graph -h units, just like a normal trigonometric, linear, or even parabolic graph. That is, we have shifted the graph h units to its negative side (to the left).

What about the y = |x| + h graph?

Well, like a parabola, we shift it h units upwards, and if h is negative, we shift it h units downwards.

So, if you understand what each transformation does, then you would be able to identify the changes in the shape's location.

Answer:

answer is b

Step-by-step explanation:

because i got it right on E D G E

Answer:

B, C, E

Step-by-step explanation:

For a rectangle,

area = length × width

Let length = y.

Then the width is y - 5.

A = LW

750 = y(y - 5)

y(y - 5) = 750

y² - 5y - 750 = 0

All equations that can be put in the form above are correct.

A) y(y + 5) = 750

y² + 5y - 750 = 0

No

B) y² – 5y = 750

y² - 5y - 750 = 0

Yes

C) 750 – y(y – 5) = 0

750 - y² + 5y = 0

y²- 5y - 750 = 0

Yes

D) y(y – 5) + 750 = 0

y² - 5y + 750 = 0

No

E) (y + 25)(y – 30) = 0

y² + 25y - 30y - 750 = 0

y² - 5y - 750 = 0

Yes

Answer:

Step-by-step explanation:

i am working on the assumption that nobody does all three of them

i got 4 because including the people that do swimming and park, the total number of people that do swimming is 22.

the same logic goes for cycling: including the people that do swimming and visit the national park, the total is 23.

so that means that find how many people do swimming and cycling, we have to add the people doing only swimming, with the people doing both swimming and park and then subtract that answer from 22 which gives you 4

Answer:

Well you can start by dividing 20 by 2 because that would give you the half that you finished in class 24 divided by 2 =12 if you finish four more you wound have 12-4=8 you have 8 problems left and now you have to find the fraction so start with 8/24 and then simplify your answers would be 1/3

Answer:

B.  -414,720 x⁷y⁶

Step-by-step explanation:

To find the 4th term of the expansion of (2x - 3y²)¹⁰, we can use the binomial theorem.

The binomial theorem states that for an expression of the form (a + b)ⁿ:

\(\displaystyle (a+b)^n=\binom{n}{0}a^{n-0}b^0+\binom{n}{1}a^{n-1}b^1+...+\binom{n}{r}a^{n-r}b^r+...+\binom{n}{n}a^{n-n}b^n\\\\\\\textsf{where }\displaystyle \rm \binom{n}{r} \: = \:^{n}C_{r} = \frac{n!}{r!(n-r)!}\)

For the expression (2x - 3y²)¹⁰:

Therefore, each term in the expression can be calculated using:

\(\displaystyle \boxed{\binom{n}{r}(2x)^{10-r}(-3y^2)^r}\quad \textsf{where $r = 0$ is the first term.}\)

The 4th term is when r = 3. Therefore:

\(\begin{aligned}\displaystyle &\;\;\;\;\:\binom{10}{3}(2x)^{10-3}(-3y^2)^3\\\\&=\frac{10!}{3!(10-3)!}(2x)^7(-3y^2)^3\\\\&=\frac{10!}{3!\:7!}\cdot2^7x^7(-3)^3y^6\\\\&=120\cdot 128x^7 \cdot (-27)y^6\\\\&=-414720\:x^7y^6\\\\ \end{aligned}\)

So the 4th term of the given expansion is:

\(\boxed{-414720\:x^7y^6}\)

The coordinate of the point after transformation is: (3, -4)

The coordinate initially is given as (0, -4).

Moving one unit to the left means a deduction of 1 unit from the x coordinate to get:

(0 - 1, -4)

= (-1, -4)

Moving by 4 units to the right means an addition of 4 units to x coordinate to get:

(-1 + 4, -4)

= (3, -4)

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Answer:

The 2nd answer

Step-by-step explanation:

because the light figure had more mature in the materials

The mean of the binomial distribution is (d) μ = 28,8

The given parameters of the binomial distribution are given as:

n = 48 and p = 3/5

The mean is then calculated using:

μ = np

This gives

μ = 48 * 3/5

Evaluate

μ = 28,8

Hence, the mean of the binomial distribution is (d) μ = 28,8

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Answer: 75582 different committees

Explanation

Given

• Committee: 11 students

• Member student council: 19 students

Procedure

As the order of choosing is not important, then we can use combinations:

where n is the number of items in a set and r is the number of items selected from the set. Applying the formula to our problem:

• n = ,19

• r = 11

Thus, replacing these values and simplifying:

The sum of the measures of the interior angles of the regular polygon is 180 degrees.

If each exterior angle of a polygon measures 120 degrees, then each interior angle of the polygon measures 180 - 120 = 60 degrees. This is because the sum of an exterior angle and its corresponding interior angle is always 180 degrees.

Let n be the number of sides of the regular polygon. The sum of the measures of the interior angles of a polygon with n sides can be found using the formula:

Sum of interior angles = (n - 2) * 180 degrees

For a regular polygon, all interior angles have the same measure, so we can write:

n * 60 degrees = (n - 2) * 180 degrees

Simplifying this equation, we get:

60n = 180n - 360

120n = 360

n = 3

Therefore, the polygon is an equilateral triangle, and the sum of its interior angles is:

Sum of interior angles = (n - 2) * 180 degrees = (3 - 2) * 180 degrees = 180 degrees

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Answer:

Step-by-step explanation:

2x-6+3x+5+2x+20=180

7x=180-19=161

x=161/7=23

angles are 2×23-6,3×23+5,2×23+20

or 40,74,86

smallest angle=40°

Answer:

y-4=0.4(x+2)

Step-by-step explanation:

y-y1=m(x-x1)