Ricky bought beans and yams for $6.35. He paid $3.15 for all the beans and
$0.40 for each yam. How many yams did he buy?

Answer:

D, F and G

Step-by-step explanation:

A polynomial must have a negative exponent for the variable term. So we can eliminate A, B and C

Also no fractional exponents so eliminate E

F & G are positive exponents so acceptable

D has the exponent 0 so the term becomes (2x² + 5) + (6x⁰ + 7)
x⁰ = 1 so the expression becomes 2x² + 5 + 6 + 7 = 2x² + 18 which is a polynomial.

Answer:

2 1/4 hrs

Step-by-step explanation:

2 1/4 th of an hour passes between 2:24pm and 4:40pm

Between 2:24pm and 4:40pm 2.26 part of hours has been passed.

A fraction is written in the form of p/q, where q ≠ 0.

Fractions are of two types they are proper fractions in which the numerator is smaller than the denominator and improper fractions where the numerator is greater than the denominator.

Given, What part of an hour passes between 2:24 pm and 4:40 pm.

Now (4 : 40 - 2 : 24 ) = 2 and 16 minutes.

16 minutes is 16/60 = 4/15 or 0.26 hours.

So, in total (2 + 0.26) = 2.26 part of an hour have been passed.

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The product of 2^2007 and 5^2011​ is given as follows:

2^2007 x 5^2011​.

When two numbers with the same base and different exponents are multiplied, we keep the base and add the exponents.

The product for this problem is defined as follows:

2^2007 x 5^2011​.

2 and 5 are both prime numbers, hence they cannot be factored into common bases, hence the expression is already simplified.

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Answer:

7

Step-by-step explanation:

5(x - 3) = 2(x + 3)                     Distribute

5x - 15 = 2x + 6                    

    + 15         + 15                     Switch sides to the liked terms

5x = 2x + 6 + 15

-2x  -2x                                   Switch sides to the liked terms

5x - 2x = 6 + 15  

3x = 21                                      Divide

3       3                  

x = 7

Answer:

x = 7

Step-by-step explanation:

Equation: 5(x-3) = 2(x+3)

Step 1: Simplify the equation.

5 (x − 3) = 2(x + 3)

(5)(x) + (5)(−3) = (2)(x) + (2)(3) Distribute

5x + −15 = 2x + 6

5x − 15 = 2x + 6

Step 2: Subtract 2x.

5x − 15 −2x = 2x + 6 −2x

3x − 15 = 6

Step 3: Add 15.

3x − 15 + 15 = 6 + 15

3x = 21

Step 4: Divide by 3.

\(\frac{3x}{3} = \frac{21}{3}\)

Step 5: Divide 21 by 3.

The answer is x = 7.

Answer:

19 throws.

Step-by-step explanation:

For her success rate to be 80% in 37 throws she must make  0.8 * 37

= 29.6 throw - that is 30 to nearest throw.

So for the next 20 throws she must make  30 - 11 = 19 throws.

1)3/25

2)1/25

3)4/25

this is the correct answer

Answer:

see attached picture of the corrected answer

Answer:

The answer is y=-3/5x-6

Step-by-step explanation:

y-y=m(x-x1)

y-(-3)=-3/5(x-(-5))

y+3=-3/5x-3

-3 -3

y=-3/5x-6

Answer:

4x+6y = 46

Step-by-step explanation:

you just add by column

2x+2x

y+5y

9+37

Answer: 1

Work: After plugging in the 6 in the X, the new equation is -2(6) + 13. After doing the multiplication of -2 and 6, you get -12. Add -12 + 13, and the answer (Or y) equals 1.

I hope this helps, and Happy Holidays! :)

Answer:

Reducing 420/630

420/630 = (?)

420/630 = (2 x 2 x 3 x 5 x 7)/(2 x 3 x 3 x 5 x 7) How i got this is explained at the bottom*

= 2/3

420/630 = 2/3

The simplest form of 420/630 is 2/3

2/3 is the lowest term of 420/630.

Prime FACTORING:
This should help for visuals for 420:
420

| \  

210   2

| \  

105   2

| \  

35   3

| \  

7   5

This should help for visuals for 630:

630

| \  

315   2

| \  

105   3

| \  

35   3

| \  

7   5

Answer:

12, 19, 33

Step-by-step explanation:

In order to find the side that can't make up a triangle, you have to add together the two smaller sides. If the two smaller sides are greater than the third side, the set represents a triangle.

8 and 18 is larger than 24, so that set is valid.

6 and 10 is larger than 16, so that set is valid.

11 and 19 is larger than 29, so that set is valid.

12 and 19 is not larger than 33, so that set is invalid and therfore that is your answer.

The odds of rolling two 6-sided dice and getting a total between the two dice that is a multiple of three are approximately 31%.

To determine the odds of rolling two 6-sided dice and getting a total between the two dice that is a multiple of three,

we first need to identify the possible outcomes. The possible sums of rolling two dice range from 2 to 12. We then need

to find the multiples of three within that range, which are 3, 6, 9, and 12.

Next, we need to find the number of ways that we can roll each of these multiples of three. To do this, we can create a

chart:
Sum | Ways to roll
---|---
3 | 1
6 | 5
9 | 4
12 | 1

So there are a total of 11 ways to roll a multiple of three with two dice.

To find the odds, we need to divide the number of favorable outcomes (11) by the total number of possible outcomes

when rolling two dice (36), and then convert the fraction to a percentage or a ratio.

11/36 = 0.3056 or approximately 31%

Therefore, the odds of rolling two 6-sided dice and getting a total between the two dice that is a multiple of three are approximately 31%.

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The set of all numbers of the form a+b*sqrt(2), where a and b are integers, is countable.

This can be proven by first showing that sqrt(2) is irrational, which implies that the function f(a; b) = a + b*sqrt(2) is one-to-one and onto from the set Z Z = {(a,b)} to the set of numbers {a+b*sqrt(2)}.

This reduces the proof to showing that Z Z is countable. Z Z is a subset of Z x Z and Z x Z is countable, as it can be put into a one-to-one correspondence with the set of natural numbers. Thus, there is a bijection between Z x Z and the set of numbers {a+b*sqrt(2)}, which implies that the set of numbers a+b*sqrt(2) is countable.

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Answer:

Mike's sisters age is 5 years old

Step-by-step explanation:

Since Mike is 17 years old, he is six years older than 2 times her age, so we subtract 6 from his age; we get 11 since he is 2 times her age divide 11 by 2 = 5.5. That means that his sister is 5 years old

Answer:

C

Step-by-step explanation:

For matrix (a), the domain has a dimension of 3 and the codomain has a dimension of 2.

For matrix (b), the domain has a dimension of 3 and the codomain has a dimension of 1.

a. The given matrix is:
(1  2  3)
(3 -1  2)

This matrix has 2 rows and 3 columns, making it a 2x3 matrix. When a matrix represents a linear map, the number of rows corresponds to the dimension of the codomain, and the number of columns corresponds to the dimension of the domain. Therefore, for this matrix, the dimension of the domain is 3, and the dimension of the codomain is 2.

b. The given matrix is:
(1 0 1)

This matrix has 1 row and 3 columns, making it a 1x3 matrix. Similarly, the number of rows represents the dimension of the codomain, and the number of columns represents the dimension of the domain. For this matrix, the dimension of the domain is 3, and the dimension of the codomain is 1.

In summary, for matrix (a), the domain has a dimension of 3 and the codomain has a dimension of 2. For matrix (b), the domain has a dimension of 3 and the codomain has a dimension of 1.

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An inequality in standard form that describes this situation is 25x + 59y ≤ 495.

In order to write an inequality that represents or describes this situation, we would assign variables to the number of nails required by the small birdhouse and large birdhouse respectively, and then translate the word problem into algebraic equation as follows:

Since Tanner has a total of 495 nails on hand and a small birdhouse requires 25 nails while a large birdhouse requires 59 nails, an inequality that represents or describes this situation can be written as follows;

25x + 59y ≤ 495.

In conclusion, we can reasonably infer and logically deduce that the total number of nails required by both the small birdhouse and large birdhouse is less than or equal to 495 nails.

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If the probabilities of their outcomes are 20%, 60%, and 20% respectively, the expected value of these outcomes is $346.

To calculate the expected value of the outcomes, we multiply each outcome by its corresponding probability and then sum up the results.

In this case, the projected outcomes are $240, $310, and $560, with probabilities of 20%, 60%, and 20% respectively.

To calculate the expected value, we use the formula:

Expected value = (Outcome 1 * Probability 1) + (Outcome 2 * Probability 2) + (Outcome 3 * Probability 3) + ...

Expected value = ($240 * 0.20) + ($310 * 0.60) + ($560 * 0.20)

Expected value = $48 + $186 + $112

Expected value = $346

The expected value represents the average value or the long-term average outcome we can expect from the given probabilities and outcomes. It provides a summary measure that helps in understanding the central tendency of the distribution of outcomes.

In this case, the expected value indicates that, on average, we can expect the project's outcome to be around $346.

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Answer:

slope = 9/4

Step-by-step explanation:

Slope is a ratio (looks like a fraction) It tells you the steepness or flatness of a line.

To find slope you subtract the y's (that's the second number in the ordered pairs; here it's 10 and 1) put that on top. Then subtract the x's and put that on the bottom (here 9 and 5)

Slope = 10-1 / 9-5

=9/4

Now, parallel lines have the same slope, so if one of the lines has slope 9/4, then the other line does too!

No, we cannot measure 3 gallons of water using 2 jugs of size 100 and 98 gallons. But, we can measure 4 gallons of water using these jugs.

Let's call the two jugs A and B, with A being the 100-gallon jug and B being the 98-gallon jug.

To measure 3 gallons of water, we need to have one jug that is smaller than 3 gallons and another jug that is larger than 3 gallons.

However, both of these jugs are larger than 3 gallons.

This means that it is impossible to measure 3 gallons of water using these jugs.

To measure 4 gallons of water, we can follow these steps:

Fill jug A to the top with water.

Pour the water from jug A into jug B until jug B is full.

This will leave 2 gallons of water in jug A.

Pour the water from jug B down the drain, then pour the 2 gallons from jug A into jug B.

Fill jug A to the top with water.

Pour the water from jug A into jug B until jug B is full.

This will leave 96 gallons of water in jug B, with 4 gallons of water in jug A.

Thus, we can measure 4 gallons of water using these jugs.

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The number of years for the value of $900 to reach $1,800 if the rate of interest is 4%, is 25 years.

When the loan is given to you, then some amount is charged to you for the principal amount and that is called interest.

Given:

The amount after some years, A = $1800,

The rate of interest, r = 4% per annum,

The principal amount, p = $900,

Calculate the number of years as shown below,

A = P + SI

1800 = 900 + p × r × t / 100

Here, t is the time in years,

1800 - 900 = 900 × 4 × t / 100

900 = 3600t / 100

900 = 36t

t = 900 / 36

t = 25

Thus, the number of years will be 25.

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Answer:

The value of 3 is in the three-hundred thousands place

300,000

The value of k from the equation is k = -20

The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

And y - y₁ = m ( x - x₁ )

y = y-coordinate of second point

y₁ = y-coordinate of point one

m = slope

x = x-coordinate of second point

x₁ = x-coordinate of point one

The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Given data ,

Let the equation of line be represented as A

Now , the value of A is

y = kx   be equation (1)

Let the first point be P ( 4 , -80 )

Substituting the values in the equation , we get

-80 = 4k

Divide by 4 on both sides of the equation , we get

k = - ( 80/4 )

On simplifying the equation , we get

k = -20

Hence , the equation is k = -20

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The information about 2 x 3 ratio file is given below.

What is 2 x 3 ratio?

In the rectangle, a grid of squares measuring 2 inches high by 3 inches wide can fit, and 4 inches high by 5 inches wide can.

The most popular aspect ratio for digital Single Lens Reflex (dSLR) cameras is 2x3, which was inspired by the vintage 35mm film format, in which the negative was 24x36mm in size.

24x36 can be reduced to 2x3 or 2:3. In this aspect ratio, print sizes include 4x6, 8x12, 10x15, 12x18, 16x24, 20x30, and so forth.

An image with a 2:3 aspect ratio, for instance, would be 2 inches high by 3 inches wide (two-to-three).

When you order prints from digital files, the size of the digital image is typically adjusted to fit the size of the print that you choose.

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Answer:

x=5

Step-by-step explanation:

     May I have brainiest I'm trying to level up!

                 </3 PureBeauty

Answer:

x=5

Step-by-step explanation:

6x-3 = 3x +12

+3            +3

6x = 3x +15

-3x   -3x

3x = 15

divided both sides by 3 to get your answer

Answer:

pretty sure its 645ml

Step-by-step explanation:

number of defective chips: total number of chips in each batch is 1:200

In mathematics, proportion is an expression that shows the equality of two ratios.

Inspector found 4 defective chips in a batch containing 800 chips

How many defective chips in a batch of 20000 chips.

let x be the number of defective chips in the larger batch.

  now, x = 4/800 × 20000 = 100

        x = 100

As per question, a is the number of defective chips in the smaller batch of containing b chips.

x is the number of defective chips in the larger batch containing d chips.

a/b = x/d

4/800 = 100/20000

the proportion 1/200 =1/200

defective chip: total chips = 1:200

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The probability that exactly 8 out of the 10 smokers started smoking before 21 is approximately 0.1937, or 19.37% To solve these probability questions, we can use the binomial distribution formula.

a) The probability that a randomly selected smoker started smoking before 21 is 0.9 (as given). We can use the binomial distribution formula: P(X = k) = (n choose k) *\(p^k\) * \((1 - p)^(n - k)\)

where n is the number of trials, k is the number of successes, p is the probability of success, and (n choose k) represents the binomial coefficient.

In this case, n = 10, k = 8, and p = 0.9. Plugging these values into the formula:

P(X = 8) = \((10 choose 8) * 0.9^8 * (1 - 0.9)^(10 - 8)\)

P(X = 8) = \((45) * 0.9^8 * 0.1^2\)

P(X = 8) ≈ 0.1937

The probability that exactly 8 out of the 10 smokers started smoking before 21 is approximately 0.1937, or 19.37%.

b) To find this probability, we need to sum up the probabilities of having 8, 9, or 10 smokers who started before 21.

P(X ≥ 8) = P(X = 8) + P(X = 9) + P(X = 10)

Using the binomial distribution formula for each value:

P(X ≥ 8) ≈ 0.1937 + (10 choose 9) * 0.9^9 * 0.1^1 + (10 choose 10) * 0.9^10 * 0.1^0

P(X ≥ 8) ≈ 0.1937 + 0.3874 + 0.3487

P(X ≥ 8) ≈ 0.9298

The probability that at least 8 out of the 10 smokers started smoking before 21 is approximately 0.9298, or 92.98%.

c) To find this probability, we need to sum up the probabilities of having 0 to 7 smokers who started before 21.

P(X < 8) = P(X = 0) + P(X = 1) + ... + P(X = 7)

Using the binomial distribution formula for each value:

P(X < 8) = P(X = 0) + P(X = 1) + P(X = 2) + ... + P(X = 7)

P(X < 8) = 1 - P(X ≥ 8)

Using the result from part b:

P(X < 8) = 1 - 0.9298

P(X < 8) ≈ 0.0702

he probability that fewer than 8 out of the 10 smokers started smoking before 21 is approximately 0.0702, or 7.02%.

d) To find this probability, we need to sum up the probabilities of having 7, 8, and 9 smokers who started before 21.

P(7 ≤ X ≤ 9) = P(X = 7) + P(X = 8) + P(X = 9)

Using the binomial distribution formula for each value:

P(7 ≤ X ≤ 9) = P(X = 7) + P(X = 8) + P(X = 9)

P(7 ≤ X ≤ 9) ≈\((10 choose 7) * 0.9^7 * 0.1^3 + 0.1937 + (10 choose 9) * 0.9^9 * 0.1^1\)

P(7 ≤ X ≤ 9) ≈ 0.2668 + 0.1937 + 0.3874

P(7 ≤ X ≤ 9) ≈ 0.8479

The probability that between 7 and 9 (inclusive) out of the 10 smokers started smoking before 21 is approximately 0.8479, or 84.79%.

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Answer:

12.5

Step-by-step explanation:

x= 5 when y = 12

y = 30 = 12 x 2.5 (do the same to the other number)

5 x 2.5 = 12.5

Ace C.a.r.l.o.s.