20 Points + Brainlest
Determine if the following system of equations has no solutions, infinitely many solutions or exactly one solution.
-x+5y=-7
-3x +14y=-18

The given  quadratic equation will have zero real-number solutions.

Since the given equation is: ax²+bx+c =0, and the discriminant value is -16, since the discriminant is a portion of the quadratic equation, the formula for calculating is b²-4ac,  where a, b and c are the coefficients now if  the discriminant is more than 0, then the respective equation  has two real solutions, whereas if it is less than 0, it has zero real solutions and last, if the discriminant is  equal to zero  then the equation has only one real solution.We know the :-b±√b²-4ac /2a, here the square root of -16 can't give us a real number  instead it will give us an imaginary number

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Answer:

3

Step-by-step explanation:

Answer:

26 meters

Step-by-step explanation:

Answer:

the answer is 20.

add up the length, and the hight,

then times it by 2.

BOOM

you get the answer :)

Step-by-step explanation:

We have to divide the shape into two

It will give us a Rectangle and a Trapezium

Answer:

Always

Step-by-step explanation:

if two points lie in a plane, then the entire line containing those points lies in that plane

Answer:

182

Step-by-step explanation:

152

+31

---------

182

One mole of nitrogen gas at STP (standard temperature and pressure) occupies a volume of 22.4 liters.

What is gas volume?

The volume of the a system is a crucial extensive criterion for describing it's own thermodynamic state in thermodynamics. The game's volume per unit of mass is known as the fixed volume, an intensive property. Volume depends on state and on other thermodynamic characteristics like pressure and temperature. The ideal gas law, for instance, relates the volume of an ideal gas to its pressure and temperature.

A system's physical volume might or might not match the control volume used it to study the system.

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Step-by-step explanation:

\( \frac{4}{5} \times \frac{3}{8} \)

Reduce the numbers with the greatest common factor 4

\( \frac{1}{5} \times \frac{3}{2} \)

Just multiply, To multiply the fractions , multiply the numerators and denominators separately

\( \frac{1 \times 3}{5 \times 2} \)

\( \frac{3}{10} \)

That's the answer 3/10 or 0.3

z >1 for the given inequality for x.

To solve the following inequality for x.

-26 + 13z + 2 > 2 132

Since there is no x in this I'm assuming we are looking for z

Step 1: Simplify both sides

15r - 26 > -13z + 2

Step 2: Add 13z to both sides

15r - 26 + 13z > -13z + 2 + 13z

28 - 26 > 2

Step 3: Add 26 on both sides

28 - 26 + 26 > 2 + 26

28z > 28

Step 4: Divide both sides by 28z / 28 > 28 / 28

z > 1

Hence the answer is z >1 for the given inequality for x.

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The equation of the graphed function is given as follows:

f(x) = x³ + 2x² - 5x - 6.

The equation of the function is obtained considering the Factor Theorem, as a product of the linear factors of the function.

From the graph, the zeros of the function are:

Hence the function is:

f(x) = a(x + 3)(x + 1)(x - 2).

In which a is the leading coefficient.

Expanding the product, we have that:

f(x) = a(x² + 4x + 3)(x - 2)

f(x) = a(x³ + 2x² - 5x - 6).

When x = 0, y = -6, hence the leading coefficient a is obtained as follows:

-6a = -6

a = 1.

Hence the function is:

f(x) = x³ + 2x² - 5x - 6.

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Answer:

F(x)= (x-5)(x+3)

Step-by-step explanation:

we have two roots/ X-intercepts meaning we can assume that it is a quadratic function

Answer:

54 is the answer

Step-by-step explanation:

hope this helps

Answer:

54 is your answer

Step-by-step explanation:

the person above is right

Answer:

yeah its C. composed and ejected

Step-by-step explanation:

i took the test :) edge 2022

Answer:

1, 5 and 6.

Step-by-step explanation:

The sides of this triangles has lengths in the ratio x : √3x : 2x where 2x is the hypotenuse.

When C = 30,  the side AB is the small leg  (=x).

When B = 90, the hypotenuse is  AC ( =2x).

When A =  60, the larger leg is BC (=√3x).

1.  AB = 4, BC = 4√3 :- Are possible legs.

5 AB = 7, AC = 14. :-  AB = small leg, AC = hypotenuse.

6. AB = 11, BC = 11√3:-   AB = small, BC = larger leg.

Answer:

1, 5, and 6

Hope this helps!

Step-by-step explanation:

Answer:

well for starters

the answer you get when you factor it out is 3(x+3)(x+3)

i know that would mean x=-3 but i dont know how the big 3 would effect anything. hope this helps

Answer:15

Explanation: I just did it and that's what i ready said lol

Answer:

y = 96°

Step-by-step explanation:

The measure of the inscribed angle y is half the measure of its intercepted arc.

The whole circle = 360°

the intercepted arc = 360° - 168° = 192°

Thus

y = \(\frac{1}{2}\) × 192° = 96°

The probability of winning at least one award is 1 - 0.2373 = 0.7627 or 76.27%.

If the probability of winning an MTV music award after being nominated is 25%, the probability of not winning is 75%. Thus, the probability of not winning any of the five awards is (0.75)^5 = 0.2373.

As for how many awards Ariana Grande should expect to win, we can use the expected value formula: E(x) = n * p, where n is the number of trials (in this case, 5) and p is the probability of success (0.25). Therefore, E(x) = 5 * 0.25 = 1.25. So, Ariana Grande can expect to win about 1 award.

Finally, to calculate the standard deviation associated with this probability, we can use the formula: σ = sqrt(n * p * (1-p)). Plugging in the values, we get σ = sqrt(5 * 0.25 * 0.75) = 0.866. Therefore, the standard deviation associated with this probability is approximately 0.866.

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The sum of the given infinite series is 15.

The given example of a series is  \(∑ k=0 [infinity] 5 3k 2k.\)

Let's understand the following phrases with the help of the given series.

a. Sequence of un-summed terms

The un-summed terms of the series are 5, 15, 45, 135, and so on.

These terms are known as a sequence of un-summed terms.

b. Sequence of partial sums

Partial sum is the sum of a finite number of terms of an infinite series.

So, the sequence of partial sums of the given series is {5, 20, 65, 200, ...}.

c. Summable vs. not summable infinite series

The infinite series is summable if its partial sum has a finite limit as n approaches infinity, otherwise not summable.

In the given example, the infinite series is summable because it satisfies the condition of convergence, which is \(3/2 < r < 1\), where r is the common ratio.

d. Sum of an infinite series

The sum of an infinite series is the limit of the sequence of partial sums as n approaches infinity.

The sum of the given series is: \(S = a / (1 - r)\)

where a = first term of the series = 5

r = common ratio = 2/3

Putting these values in the formula, we get:

\(S = 5 / (1 - 2/3)\\= 5 / 1/3\\= 15\)

So, the sum of the given infinite series is 15.

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None of the statements A, B, or C can be determined to be true based on the given information. we do not have enough information to determine the values of P(A), P(A∩B), or P(B|A) from the given probabilities.

To determine which statement is true, let's analyze the given information.  We have:

P(B) = 4/1

P(A∪B) = 2/1

P(A|B) = 3/2

Let's evaluate each statement:

A) P(A) = 3/1

This statement is not directly supported by the given information. We cannot determine the value of P(A) solely based on the provided probabilities.

B) P(A∩B) = 12/1

This statement is also not supported by the given information. We do not have enough information to determine the value of P(A∩B).

C) P(B|A) = 5/1

This statement is not supported by the given information. We do not have any direct information about P(B|A), so we cannot determine its value.

D) A and B are not independent.

To determine whether A and B are independent, we can check if P(A∩B) = P(A) * P(B). However, as mentioned earlier, we do not have enough information to determine the value of P(A∩B). Therefore, we cannot conclude whether A and B are independent based on the given information.

In summary, none of the statements A, B, or C can be determined to be true based on the given information. The only conclusion we can draw is that we do not have enough information to determine the values of P(A), P(A∩B), or P(B|A) from the given probabilities.

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Answer:

Acute triangle

Step-by-step explanation:

There are three sides and they are all not equal to each other

Betrys needs another 400 grams of diced potatoes to make her vegetable stew for 8 people.

We know that Betrys is cooking for 8 people, and we know that a recipe for 2 people needs 10 ounces.

8 people is 4 times 2 people, then for 8 people you need 4 times 10 ounces, this is 4*10 oz = 40 ounces.

Now we can apply a change of units, remember that:

1 oz = 28 grams

Then the total amount she needs is:

40 oz = 40*28 g = 1,120 g

So she needs in total 1,120 grams, and in the balance, she already has 720 grams, so the amount that she needs is given by the subtraction:

1,120 g - 720g = 400

Betrys needs another 400 grams of diced potatoes to make her vegetable stew for 8 people.

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Answer:

7 whole times

Step-by-step explanation:

To figure it out your equation should look like 100÷13 = x

And now just solve for x.

X = 7.69

For the entire independent-measures experiment 24 individuals are participated.

Different participants are utilized in each condition of the independent variable in an experimental design known as an independent measures design, or between-groups. This indicates that a different group of participants is present for each condition of the experiment. A research strategy known as an independent measures design uses numerous experimental groups with subjects only being assigned to one group. Throughout the experiment, each participant is solely exposed to one independent variable condition. A drug trial for a novel medicine would serve as an example. This has the benefit of preventing order effects, which occur when participants behave differently as a result of the order in which conditions are done, often as a result of factors like boredom or exhaustion.

We are given the value  t(22) = 5.30, p < .01

So here degree of freedom (df) is 22 and it is independent so there is two samples,

so df= n₁+n₂-2

⇒ 22 =  n₁+n₂-2

⇒ n₁+n₂ = 24.

Thus for the entire experiment 24 individuals are participated.

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Answer: The conversion of a raw score to a scaled LSAT score is a complex process that involves several steps. The Law School Admission Test (LSAT) is a standardized test used by law schools in the United States and Canada to assess applicants' critical thinking, reading comprehension, and analytical reasoning skills.

Here's a general overview of the process of converting a raw score to a scaled LSAT score:

- Raw score calculation: The raw score is the number of questions answered correctly on the LSAT. There is no penalty for incorrect answers, so it is in your best interest to answer every question, even if you are unsure of the correct answer.

- Equating: The LSAT is equated to account for differences in difficulty between test forms. This means that the raw scores of test-takers are adjusted so that the scaled scores are consistent across different test forms.

- Scaling: The raw scores are then scaled to a range of 120 to 180, with a median score of 150 and a standard deviation of 10. This scaling process allows for meaningful comparisons between test-takers, regardless of the difficulty of the specific test form they took.

It is important to note that the LSAT score is not based solely on the number of questions answered correctly, but also on the difficulty of the questions. This means that a high raw score on a particularly difficult test form may result in a lower scaled score than a lower raw score on a less difficult test form.

Step-by-step explanation:

Answer: (5/24 , 169/48)

Step-by-step explanation:

this is the max and min

Answer:

The roots (zeros) are the x values where the graph intersects the x-axis. To find the roots (zeros), replace y with 0 and solve for x

x=−1/3,3/4

and if you're looking for

Use the formula x=−b2a to find the maximum and minimum.

(5/24,169/48)

Step-by-step explanation:

The probability of,

i) Given that there are 5 black retrievers, 3 brown hounds, and 4 black setters.

Total number of dogs = 5 + 3 + 4 = 12

Probability of getting a black retriever =

number of black retrievers / total number of dogs = 5/12.

Probability of getting a brown hound =

number of brown hounds / total number of dogs = 3/12.

Now, the probability of picking a black retriever and then a brown hound = probability of getting a black retriever x probability of getting a brown hound = 5/12 x 3/12 = 15/144.

ii) Given that there are 3 blue marbles and 2 red marbles.

Total number of marbles = 3 + 2 = 5

Probability of picking a blue marble =

number of blue marbles / total number of marbles = 3/5

Similarly, the probability of picking another blue marble is also = 3/15

Now, the probability of picking a blue marble at first, replacing it, and then picking another blue marble = 3/5 x 3/5 = 9/25.

From the above solution, we solved both problems.

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The coordinates of the y-intercept of the given equation \(-6x + 7y = 34\) is \((0, 34/7)\) and the x-intercept is \((-17/3, 0)\).

To find the y-intercept of the given equation, we let x = 0 and solve for y.

\(-6x + 7y = 34\)

Substituting \(x = 0\),

\(-6(0) + 7y = 34\)

⇒ \(7y = 34\)

⇒\(y = 34/7\)

Thus, the coordinates of the y-intercept are \((0, 34/7)\).

To find the x-intercept of the given equation, we let \(y = 0\) and solve for x.

\(-6x + 7y = 34\)

Substituting \(y = 0\), \(-6x + 7(0) = 34\)

⇒ \(-6x = 34\)

⇒ \(x = -34/6\)

= \(-17/3\)

Thus, the coordinates of the x-intercept are \((-17/3, 0)\).

Therefore, the coordinates of the y-intercept of the given equation \(-6x + 7y = 34\) is \((0, 34/7)\) and the x-intercept is \((-17/3, 0)\).

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Answer:

56250000 i

Step-by-step explanation:

5000*150=750000

750000*2500=1875000000

1875000000*0.03=56250000

Tip Convert your decimal to make it easier

3% / 100% = 0.03

Answer:

$5000 * $150 * $2500 * 3% =

56 250 000 U.S. dollars3

Step-by-step explanation: