Will Mark Brainliest.

Answer:

25,390

Step-by-step explanation:

The computation is shown below

Given that

There is a number i.e. 25387

Based on the above information

The given numbers should be written in 4 significant figures

So here the number after considering 4 significant figures is 25,390

Hence, the above represents the answer

Car A has the best fuel efficiency as it gives 80 km/liter which is far better than car B and car C.

Fuel efficiency is expressed as a measurement of how much a car will transform power in fuel into kinetic energy to travel. Fuel efficiency indicates how distant your car can travel with a specific amount of fuel.

To determine fuel efficiency, we need to calculate the number of kilometers toured for each car.

Car A =  80 km / 1 liter

Car A = 80 km/liter

Car B = 110110110 km / 101010 liters

Car B = 1.089 km/liter

Car C =727272 km / 666 liters

Car C = 1.092 km/liter

Therefore we can conclude that Car A has the best fuel efficiency.

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The complete question is-

Select the car that has the best fuel efficiency.

Car A's journey is 80km to 1 liter.

Car B's journey is  110110110 km to 101010 liters

Car C's journey is  727272  km to 666 liters

Answer:

(a is size of side of triangle)

the perimeter of equilateral triangle =3a

or, 36=3a

Thus, a = 13cm

area of equilateral triangle

=√3/4*(a^2 )

=√3/4*(13^2)

=73cm^2

Answer:

Multiplication property of equality

Step-by-step explanation:

Answer:

you can plug the point into the inequality and see if it works

Step-by-step explanation:

If I have xy>4 and I want to test the point 4,6 I would take xy which would be 4 and 6 because those are the numbers from the coordinates. when writing coordinates x is the first number and y is the second. 4 times 6 because x times y which is xy is equal to 24 now we have 24>4 and this is true

Answer: 11.44

Step-by-step explanation:

A = a + b / 2h = 8.49 + 16.97 / 2 * 0.9 = 11.44214

Which rounds up to: 11.44

I’m sorry, but i don’t know what it means by give answer in simpflied radical.

What is coefficient of a polynomial?

The term with the highest power of x is the leading term in a polynomial. The numbers placed in front of the variable with the biggest exponent are known as leading coefficients. They can be whole numbers, fractions, or decimals, as well as positive, negative, real, or imaginary, just like conventional coefficients.

following example shows how leading coefficient is positive or negative:

For example:

\(7+x-3x^{2} \\\\Leading\ term\ from\ given \ equation \ will \ be= -3x^{2}\)

so, The leading coefficient of a polynomial from given example would be -3.

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Answer:

14.72 (possibly)

Step-by-step explanation:

so the mean is average

you add all then divide by how many (i think)

sooo

(13.4 + 16.2 + 15 + 16.5 + 12.5) / 5

73.6 / 5

14.72

Answer:

73.6

Step-by-step explanation:

So you simply add the numbers given and then divide them of the amount of numbers they're to get your answer.

In considering the future roles of science and technology, it is evident that they will continue to play significant and transformative roles in various aspects of our lives.

From healthcare advancements to environmental solutions and innovative communication tools, science and technology will shape the future in numerous ways. However, careful consideration and ethical frameworks must be established to ensure responsible use and mitigate potential risks associated with their rapid development. The future roles of science and technology are bound to be immense and far-reaching. Advancements in fields such as healthcare hold great promise for improving medical treatments, disease prevention, and overall well-being.

From personalized medicine to cutting-edge therapies, science and technology will drive innovative breakthroughs that will revolutionize healthcare systems worldwide. Similarly, addressing pressing global challenges, such as climate change and environmental degradation, will heavily rely on scientific advancements and technological solutions. Sustainable energy sources, efficient resource management, and eco-friendly practices will be vital to creating a more sustainable future.

However, as science and technology continue to advance, it is crucial to approach their implementation with caution. Ethical considerations and responsible governance are necessary to navigate potential risks and unintended consequences. Issues such as data privacy, artificial intelligence ethics, and the digital divide need to be addressed to ensure equitable access and fair distribution of benefits. Balancing innovation with societal well-being, human rights, and environmental sustainability should be a central focus when shaping the future roles of science and technology.

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Answer:

sorry I don't know the answer

Answer:

y= - 5x+40

Step-by-step explanation:

I graphed this out. Remember that in parallel lines, the slopes are always the same.  

Answer:

A ≈ 14.8 units²

Step-by-step explanation:

the area (A) of the triangle is calculated as

A = \(\frac{1}{2}\) yz sin Y ( that is 2 sides and the angle between them )

where x is the side opposite ∠ X and z the side opposite ∠ Z

here y = XZ = 4.3 and z = XY = 7 , then

A = \(\frac{1}{2}\) × 4.3 × 7 × sin79°

   = 15.05 × sin79°

   ≈ 14.8 units² ( to 1 decimal place )

Step-by-step explanation:

293000

The simplified expression is 5\(x^{4}\) -37 x³ - 6x² +41x -6.

An expression is a combination of numbers, variables, functions (such as addition, subtraction, multiplication or division etc.)

Given:

(5\(x^{4}\) - 9x³ + 7x -1) + ( -8\(x^{4}\)+ 4x² - 3x + 2) - ( -4x³ + 5x -1) (2x - 7)

Now,

5\(x^{4}\) - 9x³ + 7x -1 -8\(x^{4}\)+ 4x² - 3x + 2 - ( -4x³ + 5x -1) (2x - 7)

=5\(x^{4}\) - 9x³ + 7x -1 -8\(x^{4}\)+ 4x² - 3x + 2-(-8\(x^{4}\)+28x³ +10x² - 35x -2x +7

= 5\(x^{4}\) - 9x³ + 7x -1 -8\(x^{4}\)+ 4x² - 3x + 2 +8\(x^{4}\)- 28x³  - 10x² + 35x + 2x - 7

=  5\(x^{4}\) -37 x³ - 6x² +41x -6

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Sin(0)=-7/10

To get the right triangle's known sides, use the sine definition. Each value's sign is determined by the quadrant.

sin(0)=opposite/hypotenuse

Find the triangle formed by the unit circle's neighboring side. Use the Pythagorean theorem to determine the remaining side since the hypotenuse and opposite sides are known.

Adjacent=√hypotenuse²−opposite²

Change the equation's known values with new ones.

Adjacent=√(10)²−(7)²

Inside the radical, simplify.

Raise10the strength of2.

Adjacent=√100−(7)²

Raise−7the strength of2.

Adjacent=√100-49

Multiply −1 by 49.

Adjacent=√100−49

Subtract49 from 100.

Adjacent=√51

Find the cosine value.

Find the value of using the cosine definition.

cos(0).

cos(0)=adj/hyp

Replace with the known values.

cos(0)=√51/10.

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To get the right triangle's known sides, use the sine definition. The quadrant determines each value's sign.

The value of cos(0) exists √51/10.

Trigonometric Identities are equality statements that hold true for all values of the variables in the equation and that use trigonometry functions. There are numerous unique trigonometric identities that relate a triangle's side length and angle.

To get the right triangle's known sides, use the sine definition. The quadrant determines each value's sign.

sin(0) = opposite/hypotenuse

To find the triangle formed by the unit circle's neighboring side. Use the Pythagorean theorem to determine the remaining side since the hypotenuse and opposite sides are known.

Adjacent = √hypotenuse² − opposite²

substitute the values in the above equation, we get

Adjacent = √(10)² − (7)²

Adjacent = √100 - 49

simplifying the above equation, we get

Adjacent = √51

To find the cosine value.

cos(0) = adjacent/hypotenuse

Replace with the known values.

cos(0) = √51/10.

Therefore, the value of cos(0) = √51/10.

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Performing a Chi-Square test is a statistical tool used to determine if there is a significant difference between observed and expected data. The test helps to analyze categorical data by comparing observed frequencies to the expected frequencies. The p-value in a Chi-Square test refers to the probability of obtaining the observed results by chance alone.

If a p-value lower than 0.01 is obtained in a Chi-Square test, it means that the results are statistically significant. In other words, there is strong evidence to reject the null hypothesis, which states that there is no significant difference between the observed and expected data. This means that the observed data is not due to chance alone, but rather to some other factor or factors.

The mean, or average, is not directly related to the Chi-Square test or the p-value. The Chi-Square test is specifically used to determine the significance of the observed data. However, the mean can be used as a measure of central tendency for continuous data, but it is not applicable to categorical data.

In conclusion, obtaining a p-value lower than 0.01 in a Chi-Square test means that there is strong evidence to reject the null hypothesis, and that the observed data is statistically significant.

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Answer:

D. im answering for the purpose of the first person getting brainliest

Step-by-step explanation:

Answer: x² - 2x - 3

Step-by-step explanation:

      What is FOIL? The FOIL method is used to multiply two binomials.

F ➜ First
O ➜ Outer
I ➜ Inner
L ➜ Last

      Let us break it down into each piece by multiplying, following the pattern.

F ➜ x * x ➜ x²
O ➜ x * 1 ➜ x
I ➜ x * -3 ➜ -3x
L ➜ -3 * 1 ➜ -3

      Lastly, we add these pieces together.

x² + x - 3x - 3 = x² - 2x - 3

Answer:

C = 7.72 ~ 7.7

Step-by-step explanation:

So when you solve this equetion you must 1st find x then c

we can find x by using cos(60)

cos(60) = x/14

x = cos(60) × 14

x = 1/2 ×14

x = 7

so after we find x we are going to solve c by using cos (25)

cos (25) = X/C = 7/c

cos(25) × C = 7

C = 7/cos (25)

C = 7.72 ~ 7.7

so the solution is 7.7

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

Explanation:

The weight of A is 2/3 that of B. This flips to saying "the weight of B is 3/2 that of A". Because 3/2 = 1.5, we can then have this equation

B = 1.5A

The statement "C is 75% the weight of D" leads to the equation

C = 0.75D

----------------------------

The sum of A and B is triple that of the sum of C and D, giving us this equation:

A+B = 3(C+D)

Plug in the previous two equations we found in the previous section. Afterward, solve for the variable "A".

A+B = 3(C+D)

A+1.5A = 3(0.75D+D)

2.5A = 3(1.75D)

A = 3(1.75D)/2.5

A = 2.1D

----------------------------

Let's revisit the first equation we set up, and then apply substitution like so:

B = 1.5A

B = 1.5*2.1D

B = 3.15D

----------------------------

There's a lot of equations to keep track of. The key equations are these:

A = 2.1D

B = 3.15D

C = 0.75D

The one common factor of all these equations is the variable "D". This will be useful when setting up the ratio A:B:C:D

We'll go from the ratio

A:B:C:D

to

2.1D:3.15D:0.75D:1D

afterward we can divide all four parts by the GCF variable D, to arrive at

2.1:3.15:0.75:1

----------------------------

This last section will focus on converting each part of that ratio into integers. This is done by multiplying all four parts by 100 (as shown in the 2nd step).

Then we divide all parts by the GCF 5 to get the final reduced ratio.

2.1:3.15:0.75:1

100*2.1:100*3.15:100*0.75:100*1

210:315:75:100

5*42:5*63:5*15:5*20

42:63:15:20

Answer:

x z y is the awnser

Step-by-step explanation:

I'm doing this type of stuff

We first convert from degrees to radians multiplying by π/180:

θ = 1000° × π/180 = 17.45 rad

The radius is:

r = d/2 = 4 in /2 = 2 inch

So, The distance traveled is given by the product of the angle in radians and the radius. This is:

d = θr = (17.45 rad)(2 inch) = 34.9 inch

Answer:

False

Step-by-step explanation:

82 - 21 + 10 = 61 is false 82 - 21 + 10 = 71

Answer:

A. 25%

25% is equivalent to 1/4 and when you multiply 75 by 4 you get 300. Which means 75 is equivalent to 1/4 and 1/4 is equivalent to 25%. So the answer is 25%. I'm so sorry if this explanation is bad

Answer:

To solve a pair of equations using substitution, first solve one of the equations for one of the variables. Then substitute the result for that variable in the other equation.

-2x+2y=6,4x+2y=-5

Choose one of the equations and solve it for x by isolating x on the left hand side of the equal sign.

-2x+2y=6

-2x=-2y+6

x=-\frac{1}{2}\left(-2y+6\right)

x=y-3

4\left(y-3\right)+2y=-5

4y-12+2y=-5

6y-12=-5

6y=7

y=\frac{7}{6}

Step-by-step explanation:

x=\frac{7}{6}-3

x=-\frac{11}{6}

x=-\frac{11}{6},y=\frac{7}{6} the answer

The volume of the solid whose base is the region bounded between the curve y=x^3 and the y-axis from y=0 to y=1 and whose cross section taken perpendicular to the y-axis are squares is 2.4 cubic units.

for given question,

We need to find the volume of the solid whose base is the region bounded between the curve y = x³ and the y-axis from y = 0 to y = 1 and whose cross section taken perpendicular to the y-axis are squares.

Now we rewrite given curve y = x³ in terms of x.

\(x=\sqrt[3]{y}\)

Since the length of the side of each cross sectional square is \(2\sqrt[3]{y}\), the cross sectional area A(y) can be given by

A(y) = \((2\sqrt[3]{y})^2\)

A(y) = \(4y^{\frac{2}{3} }\)

The region is bounded from y = 0 to y = 1

so, the volume V can be found by,

\(V=\int\limits^1_04y^{\frac{2}{3} }~dy\\\\V=4\int\limits^1_0 y^{\frac{2}{3} }~dy\\\\V=4\times \frac{3}{5} \\\\V=\frac{12}{5}\\\\V=2.4\)

Therefore, the volume of the solid whose base is the region bounded between the curve y=x^3 and the y-axis from y=0 to y=1 and whose cross section taken perpendicular to the y-axis are squares is 2.4 cubic units.

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Answer:

D

Step-by-step explanation:

trust me :D

Answer:

B. (20 . 3/5)6

Step-by-step explanation:

To determine how many cups of milk are needed for each cup of flour, we can set up a ratio using the given information.

The recipe requires 5 1/2 cups of milk for every 2 3/4 cups of flour. We can simplify these mixed numbers to improper fractions:

5 1/2 cups of milk is equal to \(\displaystyle\sf \frac{11}{2}\) cups of milk.

2 3/4 cups of flour is equal to \(\displaystyle\sf \frac{11}{4}\) cups of flour.

Now, we can set up the ratio:

\(\displaystyle\sf \frac{\text{Cups of milk}}{\text{Cups of flour}} = \frac{\frac{11}{2}}{\frac{11}{4}}\).

To divide fractions, we multiply by the reciprocal of the second fraction:

\(\displaystyle\sf \frac{\text{Cups of milk}}{\text{Cups of flour}} = \frac{\frac{11}{2}}{\frac{11}{4}} \times \frac{4}{11}\).

Simplifying the expression:

\(\displaystyle\sf \frac{\text{Cups of milk}}{\text{Cups of flour}} = \frac{11}{2} \times \frac{4}{11}\).

The numerator and denominator have a common factor of 11, which cancels out:

\(\displaystyle\sf \frac{\text{Cups of milk}}{\text{Cups of flour}} = \frac{1}{2}\).

Therefore, for each cup of flour, you will need \(\displaystyle\sf \frac{1}{2}\) cup of milk.

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