1 MATH PROBLEM POINTS + BRAINIEST

Answer:

7/80 is the answer because there are 7 possible chances she can get a red or blue gumball.

Step-by-step explanation:

Answer: -6(p - 6) can be simplified using the distributive property of multiplication:

-6(p - 6) = -6 * p - (-6 * 6)

= -6p - (-36)

= -6p + 36

Therefore, -6(p - 6) is equivalent to -6p + 36.

Step-by-step explanation:

Answer:

- 12p - 6

Step-by-step explanation:

2(- 2 - 4p) + 2(- 2p - 1) ← distribute both parenthesis

= - 4 - 8p - 4p - 2 ← collect like terms

= - 12p - 6

Answer:

a+11b/3

Step-by-step explanation:

Answer:

3 and 2/3b + 1a

Step-by-step explanation:

Simplifying b:

4b - 1/3b = 11/3b = 3 and 2/3b

Simplifying a:

-5a + 6a = 1a

We have following associations:

In this question we need to fill the blanks of a given proof by understanding and taking advantage of the most important axioms and theorems of Euclidean geometry and real algebra. In this case, a linear pair is the combination of two angles whose sum equals 180°, and those angles are always supplementary.

Thus, we have following associations:

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Answer:

5 : 9

Step-by-step explanation:

Answer:

the answer to that is B. 5 cells

Yes, it is reasonable to conclude that the mean income of those selecting Plan B is larger. The p-value for the two-sample t-test is 0.012, which is less , This means that there is a statistically significant difference between the mean incomes of the two groups.

The two-sample t-test is a statistical test used to compare the means of two independent groups. In this case, the two groups are the subscribers to Plan A and the subscribers to Plan B. The null hypothesis is that the mean incomes of the two groups are equal. The alternative hypothesis is that the mean income of the Plan B subscribers is larger.

The p-value for the two-sample t-test is 0.012. This means that there is a 1.2% chance of getting a difference in means as large as the one observed in the sample if the null hypothesis is true. In other words, the probability of observing this difference by chance is very low.

Therefore, we can reject the null hypothesis and conclude that there is a statistically significant difference between the mean incomes of the two groups.

The mean income of the Plan B subscribers is $61,000, which is $4,000 more than the mean income of the Plan A subscribers. This difference is relatively large, and it is statistically significant. Therefore, we can conclude that the mean income of those selecting Plan B is larger.

Here are some additional details about the two-sample t-test:

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Max will pay $4,335 in interest over the course of the five-year loan for the $17,000 car he is purchasing with a 5.1% interest rate.

To calculate the interest Max will pay, we need to use the formula: Interest = Principal × Rate × Time. In this case, the principal is $17,000, the rate is 5.1% (or 0.051 as a decimal), and the time is five years. Plugging these values into the formula, we get:

Interest = $17,000 × 0.051 × 5 = $4,335.

Therefore, Max will pay $4,335 in interest over the course of the five-year loan. This additional amount represents the cost of borrowing the money for the car. It is important to consider the interest when budgeting for the total cost of the purchase.

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A directional hypothesis is a hypothesis that reflects the difference between groups and specifies the direction of the difference.

In contrast to a null hypothesis, which suggests there is no significant relationship between the variables being studied, a directional hypothesis makes a specific prediction about the direction of the relationship. A nondirectional hypothesis, on the other hand, predicts a relationship between the variables but does not specify the direction of that relationship.

Directional hypotheses are useful in research when there is a theoretical or empirical basis to expect a particular outcome. They can help researchers to better focus their investigation and narrow down possible outcomes, thus allowing for more robust statistical analyses. However, directional hypotheses also carry the risk of confirmation bias, as researchers might be more likely to interpret data in a way that supports their hypothesis.

In summary, a directional hypothesis predicts the difference between groups and specifies the direction of that difference, providing a more focused approach to analyzing research data compared to a null hypothesis or a nondirectional hypothesis.

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Answer:

i think it is B

Step-by-step explanation:

i am not 100% sure

Answer:

B.

Step-by-step explanation:

-10 = -5 (v-4)

-10=-5v+20

-30=-5v

6=v

Dilating triangle ABC about point P by a scale factor of 3 results in a triangle A'B'C' with side lengths 3 times larger, the same angles, and an area 9 times larger than the original triangle.

Each claim about the properties of triangle A'B'C' (resulting from dilating triangle ABC about point P by a scale factor of 3) is true or not.

Claim 1: The side lengths of triangle A'B'C' are 3 times the side lengths of triangle ABC.
Answer: True.

When dilating a triangle by a scale factor of 3, the side lengths will be multiplied by that scale factor. S

o, if the side lengths of triangle ABC are a, b, and c, the side lengths of triangle A'B'C' will be 3a, 3b, and 3c.

Claim 2: The angles of triangle A'B'C' are the same as the angles of triangle ABC.
Answer: True. Dilations do not affect the angles of the shape, only the side lengths.

Therefore, the angles in both triangles will remain the same.

Claim 3: The area of triangle A'B'C' is 3 times the area of triangle ABC.
Answer: False. The area of triangle A'B'C' is actually 9 times the area of triangle ABC.

When a triangle is dilated by a scale factor of 3, the area is multiplied by the square of that scale factor (3^2 = 9).

In summary, dilating triangle ABC about point P by a scale factor of 3 results in a triangle A'B'C' with side lengths 3 times larger, the same angles, and an area 9 times larger than the original triangle.

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\(-\sqrt{121}=-11 \\ \\ \sqrt{81}=9 \\ \\ -11<9 \implies

\boxed{-\sqrt{121}<\sqrt{81}}\)

Answer:

$45

Step-by-step explanation:

sum the parts of the ratio, 3 + 5 = 8 parts

Divide the amount by 8 to find the value of one part of the ratio.

$120 ÷ 8 = $15 ← value of 1 part of the ratio, thus

3 parts = 3 × $15 = $45 ← amount David received

Answer:

$45

Step-by-step explanation:

ratio is 3:5

David gets 3x, Jack gets 5x

So, 3x+5x=120

8x=120

x=15

David got 3x = 3*15 = $45

Answer:

There are 10 cards in the stack, and 5 of them are odd (1, 3, 5, 7, and 9). There are 3 cards (1, 2, and 3) that are less than 4. Since we are replacing the first card before selecting the second, the outcomes are independent and we can multiply the probabilities of each event.

The probability of selecting an odd card on the first draw is 5/10, or 1/2.

The probability of selecting a card less than 4 on the second draw is 3/10, since there are 3 cards that meet this condition out of a total of 10.

Therefore, the probability of selecting an odd card on the first draw and a card less than 4 on the second draw is:

(1/2) x (3/10) = 3/20

So the probability of selecting an odd card on the first draw and a card less than 4 on the second draw is 3/20.

Step-by-step explanation:

Answer:

3/20.

Step-by-step explanation:

To find the probability of two independent events happening together, we multiply their individual probabilities. The probability of the first card being an odd number is 5/10, because there are 5 odd numbers out of 10 cards. The probability of the second card being less than 4 is 3/10, because there are 3 cards (1, 2, and 3) that are less than 4 out of 10 cards. Therefore, the probability of the first card being an odd number and the second card being less than 4 is:

5/10 x 3/10 = 15/100

We can simplify this fraction by dividing both the numerator and denominator by 5:

15/100 = 3/20

So, the final answer is 3/20.

Received message. To find the probability of two independent events happening together, we multiply their individual probabilities. The probability of the first card being an odd number is 5/10, because there are 5 odd numbers out of 10 cards. The probability of the second card being less than 4 is 3/10, because there are 3 cards (1, 2, and 3) that are less than 4 out of 10 cards. Therefore, the probability of the first card being an odd number and the second card being less than 4 is: 5/10 x 3/10 = 15/100 We can simplify this fraction by dividing both the numerator and denominator by 5: 15/100 = 3/20 So, the final answer is 3/20.

Since both sides of the equation are equal, we have completed the basic step of the proof, showing that P(1) is true.

a.) The statement P(1) is obtained by substituting n=1 into the equation. So, P(1) would be: 1³ = (1(1 + 1) / 2)²

b.) To show that P(1) is true, we need to prove that both sides of the equation are equal:

Left side: 1³ = 1

Right side: (1(1 + 1) / 2)² = (1(2) / 2)² = (2 / 2)² = 1² = 1

Since both sides of the equation are equal, we have completed the basic step of the proof, showing that P(1) is true.

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a) The equation is not true for n = 1, so P(1) is false.

b) The positive integer n, 13 + 23 + … + n3 = (n(n + 1) / 2)²" is not true for n = 1

a) To find P(1), we substitute n = 1 into the equation given:

13 = (1(1 + 1) / 2)²

13 = (1 / 2)²

13 = 1/4

The equation is not true for n = 1, so P(1) is false.

b) To complete the basic step of the proof, we need to show that P(1) is true.

However, we have just shown that P(1) is false.

This means that the statement "for the positive integer n, 13 + 23 + … + n3 = (n(n + 1) / 2)²" is not true for n = 1.

Therefore, the proof cannot proceed and is incomplete.

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Answer:

48 cm

Step-by-step explanation:

Let w be the width of the screen. We set up and solve this proportion:

\( \frac{4}{3} = \frac{w}{36} \)

\(3w = 144\)

\(w = 48\)

Answer:

32

Step-by-step explanation:

you add together the 2 and 6 which gets you 8 and since the formula for the area of a triangle is bass * height divided by 2 you would do 8 * 8 which is 64 and then you divide by 2 which is 32  

Answer:

8 (or 8.4)

Step-by-step explanation:

First, the problem states the words: Distinct and positive.

That means that the smallest number we can use is 0.

We can make 10 blanks for 10 numbers for us to fill in.

_ _ _ _ _ _ _ _ _ _

Since 10 is an even number, and the median is not one single number, it will be the middle of the two numbers.

In this case, our two numbers are the 5th and 6th blank.

Any two numbers can be used, as long as they are the same actual value from 10.

Let us first put in the numbers we can, which are the numbers before the two middle blanks.

0,1,2,3, _ _ _ _ _ _

To find the median between two numbers, we can do:

(a+b) divided by 2 = median

We can use the smallest following number, 4. Then the 6th number will have to be 16 for 10 to be in the middle.

Also try the largest possible number for the 5th blank, 9. Then the 6th number will be 11.

4+16 and 9+11 both equal 20, and 20 divided by 2 is 10. So both of these work.

Now let's place the other numbers in for these two equations.

0,1,2,3,4,16,17,18,19,20

0,1,2,3,9,11,12,13,14,15

If we add the numbers of each together, we get:

0,1,2,3,4,16,17,18,19,20=100

0,1,2,3,9,11,12,13,14,15= 80

If we now divide each sum by 10 (to find the average) we get:

10

8

Since both of these were the most we could go, one with the 5th number as small as possible and one with the 5th number as large as possible.

Since the smaller answer we got was 8, the answer must be 8.

(I believe 0 is a positive integer because it doesn't carry a negative sign. If 0 is not a positive integer, the answer is 8.4. Use the same process

Answer:

23 poudsfgghhhhhhhxcvbnmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm

Step-by-step explanation:

1 ounces equal to 28.35 grams

Apply stoichiometry

as in the picture uploaded

Answer:

my g get a fraction calculator

Step-by-step explanation:

3.7 or 3 7/10

Because you need to make these mixed numbers into improper fractions.

Multiply the denominator by the whole number

5 × 8 = 40

Step 2

Add the answer from Step 1 to the numerator

40 + 4 = 44

Step 3

Write answer from Step 2 over the denominator

44/5

=445

To minimize the cost of the container, we need to find the dimensions that will give us the smallest surface area, since the cost is based on the surface area of the container.

Let's start by using the formula for the volume of a rectangular box:
V = lwh
We know that the volume should be 10 m³, and that the length of the base is twice the width, so we can write:
10 = 2w * w * h
Simplifying:
10 = 2w²h
w²h = 5
Now we need to find an expression for the surface area of the container. Since it has an open top, we don't need to include the cost of any material for the top of the box. The surface area is just the sum of the areas of the four sides and the base:
A = 2lw + 2lh + wh
Substituting l = 2w and h = 5/w² from the volume equation:
A = 4w² + 20/w
To find the minimum cost, we need to take the derivative of this expression and set it equal to zero:
A' = 8w - 20/w² = 0
Multiplying both sides by w²:
8w³ - 20 = 0
w³ = 2.5
w ≈ 1.4 m
Using the volume equation to find the height:
h = 5/w² ≈ 1.8 m
And the length:
l = 2w ≈ 2.8 m
So the dimensions of the container that will minimize cost are:
base length ≈ 2.8 m
base width ≈ 1.4 m
height ≈ 1.8 m
To find the minimum cost, we can substitute these values into the surface area expression:
A = 4w² + 20/w ≈ 25.6 m²
The cost of the base material is $12 per m², so the cost of the base is:
$12 * 2.8m * 1.4m ≈ $47
The cost of the side material is $1.6 per m², so the cost of the sides is:
$1.6 * 25.6m² ≈ $41
The total cost is:
$47 + $41 ≈ $88
So the minimum cost of the container is approximately $88.

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The coordinate of 'A' will be;

⇒ A = (- 1, - 8)

What is Coordinates?

A pair of numbers which describe the exact position of a point on a cartesian plane by using the horizontal and vertical lines is called the coordinates.

Given that;

The translation is,

The image point of A after a translation left 1 unit and down 1 unit is the point B(0, -7).

Now,

Since, The image point of A after a translation left 1 unit and down 1 unit is the point B(0, -7).

Hence, The point of A become;

⇒ A = (0 - 1 , - 7 - 1)

⇒ A = (- 1, - 8)

Thus, The coordinate of 'A' will be;

⇒ A = (- 1, - 8)

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Answer:

2827.43

I think this should be correct

Answer:

\(706.5\)

Step-by-step explanation:

The circumference can be rearranged to solve for r, or radius

C= 2πr ⇒ r=C/2π

\(\frac{94.2}{(2)(3.14)}=15\)

r=15

A= πr²

\(A=(3.14)(15)^{2}\)

\(A=(3.14)(225)\)

\(A=706.5\)

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Answer: See the diagram below

Explanation:

To go from P to A we follow these two steps (in any order)

After arriving at point A, move another "right 3, up 2" to arrive at point A'.

Then move back to point P. The goal is to travel to point B. Follow these motions in any order:

Repeat this motion to go from B to B'

Move back to point P. Move down 2 units to arrive at point C. Move another 2 units to arrive at point C.

This is all shown in the diagram below. Triangle A'B'C' has been enlarged by a scale factor of 2. It means that the sides of ABC have been doubled to get the corresponding sides of A'B'C'.

In other words,

Also,

These last three equations show that the distance from P to the new points (A',B',C') has been doubled compared to the original three points (A,B,C). Let me know if you have any questions.

Answer:  $0.06 per ounce

Explain: You need to convert the mixed number to a decimal number.

16 2/5 = 16.4 oz

The divide $0.99 is divide by 16.4 = $0.06 per ounce

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The correct statement is,

⇒ Not enough information to draw a valid conclusion.

Given that;

If the range for a set of data is 24, from 2 to 26,

And, the mean is 17.

Now, We know that;

To find mean we have to need that all the terms, but here only first and last terms are given.

Thus, Not enough information to draw a valid conclusion.

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Answer:

3/8

Step-by-step explanation:

In these type of problems, I like making all of my denominators the same.

1/8 is good.

1/2 is half. 4/8 is also half. I'll use 4/8 because 1/8 also has the 8

A whole circle is 100%, which is 1/1. It's also 8/8

To find the shaded area, we'll first add 1/8 and 4/8. That equals 5/8. We just have to add nominators/top now because the denominator/bottom is the same

Now we'll subtract 8/8 from 5/8. Again denominator is the same, so we only need to subtract the top

8-5=3

Also known as 3/8