Why Do i SUCK AT MATH!!!!!!!!!!!!!!!!! :(

Answer:

0.5

Step-by-step explanation:

2x + 5 = 6

2x = 6 - 5

x = 6-5 / 2

x = 1/2

x = 0.5

Answer:

2880 if u multiply

Step-by-step explanation:

make me the brainlest

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i need 3 more

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The approximate volume of the remaining solid is option (b) 77 cubic inches

The volume of the rectangular prism is given by

V_rectangular prism = base area x height = 4 x 4 x 6 = 96 cubic inches

The volume of the cylinder is given by

V_cylinder = π x r^2 x h = π x 1^2 x 6 = 6π cubic inches

To find the volume of the remaining solid, we need to subtract the volume of the cylinder from the volume of the rectangular prism

V_remaining solid = V_rectangular prism - V_cylinder = 96 - 6π ≈ 77 cubic inches (rounded to the nearest whole number)

Therefore, the correct option is (b) 77 cubic inches

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Consider that we need to find \((a+b)(x), (a-b)(x), (ab)(x),\left(\dfrac{a}{b}\right)(x)\).

Given:

The functions are:

\(a(x)=4x+9\)

\(b(x)=3x-5\)

To find:

The function operations \((a+b)(x), (a-b)(x), (ab)(x),\left(\dfrac{a}{b}\right)(x)\).

Solution:

We have,

\(a(x)=4x+9\)

\(b(x)=3x-5\)

Now,

\((a+b)(x)=a(x)+b(x)\)

\((a+b)(x)=4x+9+3x-5\)

\((a+b)(x)=7x+4\)

Similarly,

\((a-b)(x)=a(x)-b(x)\)

\((a-b)(x)=4x+9-(3x-5)\)

\((a-b)(x)=4x+9-3x+5\)

\((a-b)(x)=x+14\)

And,

\((ab)(x)=a(x)b(x)\)

\((ab)(x)=(4x+9)(3x-5)\)

\((ab)(x)=12x^2-20x+27x-45\)

\((ab)(x)=12x^2+7x-45\)

And,

\(\left(\dfrac{a}{b}\right)(x)=\dfrac{a(x)}{b(x)}\)

\(\left(\dfrac{a}{b}\right)(x)=\dfrac{4x+9}{3x-5}\)

Therefore, the required functions are \((a+b)(x)=7x+4\), \((a-b)(x)=x+14\), \((ab)(x)=12x^2+7x-45\) and \(\left(\dfrac{a}{b}\right)(x)=\dfrac{4x+9}{3x-5}\).

Based on the above, the segments that are perpendicular to EF are LM and NP.

Note that when two lines are perpendicular, we can say that;

M1 * M2 = -1 As M1 and M2 are known to be the slopes of the lines.

Therefore, when the the slope of EF is said to be −5/2, then  one can say that the slope of  the segment that is said to be  perpendicular to EF will have to be equal to m1*m2=-1, m2=-1/m1, m2=-1/(-5/2) or m2=2/5.

Scenario one:

JK , if J is at (3, −2) and K is at (5, −7)

To find the slope JK, then

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

m=(-7+2)/(5-3)

m=-5/2

-5/2 is not equal to 2/5

Therefore,  JK is not perpendicular to EF

Scenario 2

Find GH , when G is at (6, 7) and H is at (4, 12)

To find the slope GH

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

m=(12-7)/(4-6)

m=5/-2

m=-5/2

Since -5/2 is not equal to 2/5 then GH is not perpendicular to EF

Scenario 3:

Find LM , If L is at (1, 9) and M is at (6, 11)

To find the slope LM, then

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

m=(11-9)/(6-1)

m=2/5

Since 2/5 is equal to 2/5

Then LM is perpendicular to EF

Scenario 4:

Find NP , if N is at (−3, 4) and P is at (−8, 2)

To find the slope NP, then

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

m=(2-4)/(-8+3)

m=-2/-5

m=2/5

Since 2/5 is equal to 2/5.

Therefore,  NP is perpendicular to EF

Based on the above calculations, the segments that are perpendicular to EF are LM and NP.

See correct format of question written below

The slope of EF is −5/2 .

Which segments are perpendicular to EF?

Select all the right answers please

1. JK , where J is at (3, −2) and K is at (5, −7)

2. GH , where G is at (6, 7) and H is at (4, 12)

3. LM , where L is at (1, 9) and M is at (6, 11)

4. NP , where N is at (−3, 4) and P is at (−8, 2)

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Answer: Adelita

Step-by-step explanation:

because if its going in order of the names by jobs then its adelita

For the given fraction x^2-8x+16/x^2-16 if x≠4 and x≠-4 the simplified fraction is (x-4)/(x+4).

Simplified fraction refers to the fractions in their lowest form which has been reduced and simplified. The numerator and denominator in the fraction are reduced in simplified fraction to the extent that the only common factor between them is 1.

In order to simplify the fraction (x^2-8x+16)/(x^2-16), first, we must factor the numerator and denominator of the fraction:

Numerator: x^2-8x+16 = (x-4)(x-4) = (x-4)^2

Denominator: x^2-16 = (x-4)(x+4)

So the fraction becomes:

(x-4)^2/(x-4)(x+4)

Next, we can simplify the fraction by canceling out the (x-4) term in the numerator and denominator:

(x-4)/(x+4)

Therefore, the simplified fraction is (x-4)/(x+4) if x≠4 and x≠-4.

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The view factor from the 2 cm side to the 4 cm side of the infinitely long three-sided triangular enclosure is approximately 0.5.

The view factor (F) from Surface A to Surface B can be calculated using the formula:

F = A / (A + B)

where A and B are the areas of Surface A and Surface B, respectively.

The area of a triangle can be calculated using Heron's formula:

Area = sqrt(s * (s - a) * (s - b) * (s - c))

where s is the semi-perimeter of the triangle and a, b, and c are the side lengths of the triangle.

For Surface A:

a = 2 cm

b = 3 cm

c = 4 cm

s = (a + b + c) / 2 = (2 + 3 + 4) / 2 = 4.5 cm

Area_A = sqrt(4.5 * (4.5 - 2) * (4.5 - 3) * (4.5 - 4))

= √(4.5 * 2.5 * 1.5 * 0.5)

=√(5.625) ≈ 2.37 cm²

For Surface B:

a = 2 cm

b = 4 cm

c = 3 cm

s = (a + b + c) / 2 = (2 + 4 + 3) / 2 = 4.5 cm

Area_B = √(4.5 * (4.5 - 2) * (4.5 - 4) * (4.5 - 3))

= √(4.5 * 2.5 * 0.5 * 1.5)

=√(5.625) ≈ 2.37 cm²

Now we can calculate the view factor (F):

F = Area_A / (Area_A + Area_B)

= 2.37 / (2.37 + 2.37)

≈ 0.5

Therefore, the view factor from the 2 cm side to the 4 cm side of the infinitely long three-sided triangular enclosure is approximately 0.5.

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Answer:

multiply the area value by 100

The average velocity of the cyclist is approximately -34.0146 km/h, where the negative sign indicates that the cyclist moves in the West direction. Therefore, the option (a) is correct.

Given, East direction is taken as the positive direction. The displacement of the cyclist in the first half journey (i.e., towards East direction) is 6.7 km. Since, the cyclist changes the direction in the middle of the journey, the distance covered during the next half journey (i.e., towards West direction) is calculated separately as shown below.

Distance covered during second half journey (i.e., towards West direction)

Distance = 5.2 kmTime = 5.6 minutes = 0.0933 hours

Let us find the displacement of the cyclist in the second half journey using the formula, s = vt

Here, velocity, v = distance / time

Therefore, displacement, s = v * t = (5.2/0.0933) km = 55.725 km (in West direction)

Note that, the displacement is positive if the cyclist moves towards East direction, otherwise it is negative. The third half journey of the cyclist is again in East direction. The displacement of the cyclist in the third half journey (i.e., towards East direction) is 13.5 km.

Total displacement = Displacement in first half journey + Displacement in second half journey + Displacement in third half journey= 6.7 - 55.725 + 13.5 km= -35.525 km

Here, the negative sign indicates that the displacement of the cyclist is in West direction. Therefore, the displacement of the cyclist is 35.525 km in West direction. Let us calculate the time taken by the cyclist to travel this distance.

Total time taken by the cyclist to travel the whole journey= Time taken in first half journey + Time taken in second half journey + Time taken in third half journey= 20.4 + 5.6 + 36.6 minutes= 62.6 minutes= 1.0433 hours

Therefore, the average velocity of the cyclist, v = displacement / time= -35.525 / 1.0433 km/h≈ -34.0146 km/h

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The solution is y(x) = ((a + b) / (2sqrt(b/a)))e^(sqrt(b/a)x) + ((a - b) / (2sqrt(b/a)))e^(-sqrt(b/a)x). To solve the initial value problem ay″ - by = 0, y(0) = a, y′(0) = b, in terms of the given parameters a and b (assuming a, b > 0), we can use the characteristic equation method.

The initial value problem can be rewritten as a second-order linear homogeneous differential equation ay″ - by = 0. To solve this equation, we assume the solution is of the form y(x) = e^(rx).

By substituting y(x) and its derivatives into the equation, we get the characteristic equation: ar^2 - br = 0. Factoring out r, we have r(ar - b) = 0.

Since a and b are positive, we assume ar - b = 0, leading to r = b/a. Therefore, the solution has the form y(x) = C₁e^(sqrt(b/a)x) + C₂e^(-sqrt(b/a)x), where C₁ and C₂ are constants.

Applying the initial conditions, we have y(0) = C₁ + C₂ = a and y′(0) = sqrt(b/a)C₁ - sqrt(b/a)C₂ = b.

Solving these equations simultaneously, we find C₁ = (a + b) / (2sqrt(b/a)) and C₂ = (a - b) / (2sqrt(b/a)).

Therefore, the solution to the initial value problem is y(x) = ((a + b) / (2sqrt(b/a)))e^(sqrt(b/a)x) + ((a - b) / (2sqrt(b/a)))e^(-sqrt(b/a)x).

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Answer:

Step-by-step explanation:

40893/1000=40.89300

By saving $4,000 per year for 40 years in an IRA with an 8% interest rate, you would accumulate approximately $1,031,250.

To calculate the amount you will have in 40 years, you can use the formula for the future value of an ordinary annuity:
FV = P * [(1 + r)^n - 1] / r
Where:
FV = Future value
P = Annual deposit
r = Interest rate per period
n = Number of periods

In this case, P = $4,000,
                    r = 0.08 (8%), and
                    n = 40.
Plugging in these values, the formula becomes:
FV = 4000 * [(1 + 0.08)^40 - 1] / 0.08
Calculating the expression within the brackets:
(1 + 0.08)^40 = 21.725

Now, substituting this value into the formula:
FV = 4000 * (21.725 - 1) / 0.08
FV = 4000 * 20.725 / 0.08
FV = $1,031,250
Therefore, after 40 years of saving $4,000 annually with an interest rate of 8%, you will have approximately $1,031,250 in your IRA.

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After 40 years of saving $4,000 per year with an 8% interest rate, you will have approximately $459,625.60 in your retirement account.

To calculate the future value of your retirement savings after 40 years, you can use the formula for the future value of an ordinary annuity:

\(FV = P * [(1 + r)^n - 1] / r\)

Where:

FV = Future value

P = Annual deposit

r = Interest rate per period

n = Number of periods

In this case, P = $4,000, r = 0.08 (8%), and n = 40 years.

Plugging these values into the formula:

\(FV = 4000 * [(1 + 0.08)^40 - 1] / 0.08\)

Calculating this expression will give you the future value of your retirement savings after 40 years. Let's calculate it step by step:

\(FV = 4000 * [(1.08)^40 - 1] / 0.08\)

FV = 4000 * [9.6464 - 1] / 0.08

FV = 4000 * 8.6464 / 0.08

FV = 459,625.60

Therefore, after 40 years of saving $4,000 per year with an 8% interest rate, you will have approximately $459,625.60 in your retirement account.

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A node or event with a duration of 0 days is a b. milestone

A milestone refers to an important event in a project that has a duration of zero days. It signifies the completion of a significant phase or task within the project. Milestones are numbers placed on roads, such as roads, railroads, canals, or borders. They can show distances to cities, towns, and other places or regions; or they can set their work on track with respect to a reference point.

They are found on the road, often by the roadside or in a warehouse area. They are also called mile markers (sometimes abbreviated MM), milestones, or mileposts (sometimes abbreviated MP). "mile point" is the term used for the medical field where distance is usually measured in kilometers rather than miles. "Distance marking" is a general term that has nothing to do with units.

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Answer:

8

Step-by-step explanation:

Use the pythagorean theorem.

Answer:

Yes, I can help what do you need???

Step-by-step explanation:

The length of the leg of the triangle (hypotenuse, opposite side, adjacent side) are 10, 17, and 5 respectively.

To round a number to the nearest whole number, you have to look at the first digit after the decimal point. If this digit is less than 5 (1, 2, 3, 4) we don't have to do anything, but if the digit is 5 or greater (5, 6, 7, 8, 9) we must round up.

To find the length of each leg we need to consider the angle BAC.

\(sin60 = \frac{opposite side}{hypotenuse} =\frac{BC}{10}\)

\(\frac{\sqrt{3} }{2} = \frac{BC}{10}\\ BC = \frac{\sqrt{3} }{2} * 10\\ BC = \sqrt{3} * 10\\ BC = 17.32 = 17\)

\(cos60 = \frac{adjacent side}{hypotenuse} \\\frac{1}{2} = \frac{AB}{10} \\AB = \frac{1}{2} *10\\AB = 5\)

Therefore the length of the leg of triangle are 17 and 5.

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Step-by-step explanation:

\( - 2 \times \frac{1}{2} \div 3 \times \frac{1}{2 } \\ - \frac{5}{2} \div \frac{7}{2} \\ - \frac{5}{2} \times \frac{2}{7} \\ = - \frac{5}{7} \)

Math 220 at UIUC is a calculus course offered at the University of Illinois at Urbana-Champaign.

It is designed to introduce students to the fundamental concepts of calculus, including limits, differentiation, and integration. The course also covers applications of these concepts to real-world problems, such as optimization and modeling.

Students are expected to have a strong foundation in algebra and trigonometry before taking Math 220. The course is typically taken by students in the College of Engineering and the College of Liberal Arts and Sciences.

The textbook for the course is the 8th edition of Calculus: Early Transcendentals by James Stewart. Additionally, Math 220 students must obtain access to the online homework system MyMathLabPlus and a copy of the textbook (hard copy or eBook).

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Answer:

1,3,2,4

Step-by-step explanation:

By the radius-tangent theorem, the radius is equal to 39/10 units.

In Euclidean geometry, Pythagorean's theorem is given by this mathematical expression:

a² + b² = c²

Where:

a, b, and c represents the side lengths of a right-angled triangle.

Since CB is tangent to OA at point C and line segment CB is perpendicular to line segment AC by the radius-tangent theorem, we would determine the radius by applying Pythagorean's theorem as follows;

r^2 + 8^2 = (r + 5)^2

r^2 + 64 = r^2 + 10r + 25

r^2 - r^2 = -10r + 64 - 25

10r = 39

r = 39/10 units.

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The term equivalent to \({3}^{\frac{1}{3}}\) is :

Answer:

c no. 3√3

Step-by-step explanation:

ok*kkkk I will prefer it

Looking at the given diagram,

angle 9x - 1 and angle y - 20 are linear pairs. they lie on a straight line. The sum of the angles on a straight line is 180 degrees. It means that

9x - 1 + y - 20 = 180

y = 180 + 1 + 20 - 9x

y = 201 - 9x equation 1

Also, angle 5x - 15 and angle y - 20 are vertically opposite angles. Vertically opposite angles are equal. It means that

5x - 15 = y - 20 equation 2

Substituting equation 1 into equation 2, it becomes

5x - 15 = 201 - 9x - 20

Collecting like terms, it becomes

5x + 9x = 201 - 20 + 15

14x = 196

x = 196/14

x = 14

y = 201 - 9x = 201 - 9 * 14

y = 201 - 126

y = 75+

Answer:

It is not a right triangle

Step-by-step explanation:

a^2+b^2=c^2

10^2+8^2=6^2

100+64=36

For a right triangle a^2+b^2=c^2, so this triangle isn't a right triangle because a^2 and b^2 are larger.

Answer:

$219 without tax

Step-by-step explanation:

im not sure how to calculate tax

hope this helps :)

Answer:

Besides the givens:

12.

AC = EC, BC = DC; Definition of Midpoint

<ACB = <ECD; Vertical Angles Theorem

Triangle ABC = Triangle EDC; SAS Congruence Postulate

13.

AD = CD; Definition of Median

BD = BD; Reflexive Property

Triangle ABD = Triangle CBD; SSS Postulate

Step-by-step explanation:

None necessary.