What is the solution to 3/4 (x+8) > 1/2 (2x+10)

Answer:

(C) Multiply first equation by -2 and second equation by 3, solution (1, 1)

Step-by-step explanation:

Simultaneous equations are set of equations which possess a common solution. The equations can be solved by eliminating one of the unknowns by multiplying each of the equations in a way that a common coefficient is obtained in the unknown to be eliminated.

Given the simultaneous equations:

3x - 5y = -2

2x + y = 3

First step:

Multiply first equation by -2 and multiply second equation by 3,

-6x + 10y = 4

6x + 3y = 9

Second step:

Add the two equations together,

13y = 13

Divide both sides by 13

y = 1

Third step:

Put y = 1 in the first equation

3x - 5(1) = -2

3x - 5 = -2

3x = 5 - 2

3x = 3

Divide both sides by 3:

x = 1

solution (x,y) = (1,1)

Option C

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See the attachment  for the graphed inequalities.

Answer:

The correct option is (D) one of the non-fiction books on the bottom shelf and a second non-fiction book from the bottom shelf.

Step-by-step explanation:

What is probability?

Probability is the branch of mathematics that deals with numerical descriptions of how probable an event is to occur or how likely it is that a claim is true.

To find which 2 books describe a pair of dependent events:

A pair of two dependent events are simply those in which the selection of the second item is contingent on the selection of the first item, causing the probability to change.

Because the sample size is lowered when the initial item is taken without replacement, choosing the exact same item reduces the chance.

Now, in regard to the question, this means that for two of the occurrences to be independent, they must be on the same shelf and of the same type of book, so that the second book cannot be selected until the first one is.

Option D, where both books are on the same shelf and are of the same type, is the only option that fulfills this requirement.

Therefore, the correct option is (D) one of the non-fiction books on the bottom shelf and a second non-fiction book from the bottom shelf.

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Answer:

The square root of 36 is a rational number. A rational number is a number that can be written as a fraction, a/b, where a and b are integers.

Answer:

Step-by-step explanation:

Hi, let me help you out.

The square root of 36 is 6.

6 belongs to the following subsets.

Overall, 6 belongs to 4 sub-sets.

__________________

Hope I helped! Best wishes.

___________________

9514 1404 393

Answer:

  8

Step-by-step explanation:

The number of servings can be found by dividing the quantity available by the amount per serving.

  (6 cups)/(3/4 cup/serving) = (6)(4/3) servings = 8 servings

Answer:

  745

Step-by-step explanation:

You want the original number of books in the library if adding 298 children's books increased the fraction of children's books from 2/5 to 4/7.

We often like to work problems like this in terms of "ratio units." Here, we'll let x represent the number of books in a ratio unit. This means the number of children's books is originally 2x, and the total number of books is originally 5x. Then we have ...

  (2x +298)/(5x +298) = 4//7

Cross multiplying gives ...

  7(2x +298) = 4(5x +298)

  3(298) = 6x . . . . . . . . . . . . . subtract (14x+4(298))

  149 = x

  745 = 5x . . . . . . the original number of books in the library

There were 745 books in the library at first.

__

Additional comment

If we let x represent the original number of library books, then the arithmetic involves more fractions. You would have an equation like ...

  2/5x +298 = 4/7(x +298)

<95141404393>

We have shown that C is the image of A by dilation with center B and ratio 3.

Now, To show that C is the image of A by dilation with center B and ratio 3, we need to follow these steps:

Firstly, Find the vector AB by subtracting the coordinates of B from the coordinates of A:

AB = A - B = (6 - 3, 4 - 7) = (3, -3)

Multiply the vector AB by the dilation ratio of 3:

3 AB = 3 (3, -3)  = (9, -9)

Add the resulting vector to the coordinates of the center B:

BC = B + 3 AB = (3, 7) + (9, -9)

BC = (12, -2)

Hence, Compare the resulting point BC to the coordinates of C to show that they are the same:

BC = (12, -2) = C

Therefore, we have shown that C is the image of A by dilation with center B and ratio 3.

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Step-by-step explanation:

the area of a parallelogram is

baseline × height = 5 × 3.2 = 16 m²

Segments MS and QS are therefore congruent by the definition of bisector. Therefore, the correct answer option is: D. MS and QS.

In Mathematics and Geometry, a perpendicular bisector is a line, segment, or ray that bisects or divides a line segment exactly into two (2) equal halves and forms an angle that has a magnitude of 90 degrees at the point of intersection.

This ultimately implies that, a perpendicular bisector bisects a line segment exactly into two (2) equal halves, in order to form a right angle that has a magnitude of 90 degrees at the point of intersection.

Since line segment NS is a perpendicular bisector of isosceles triangle MNQ, we can logically deduce the following congruent relationships;

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Complete Question:

The proof that ΔMNS ≅ ΔQNS is shown. Given: ΔMNQ is isosceles with base MQ, and NR and MQ bisect each other at S. Prove: ΔMNS ≅ ΔQNS

We know that ΔMNQ is isosceles with base MQ. So, MN ≅ QN by the definition of isosceles triangle. The base angles of the isosceles triangle, ∠NMS and ∠NQS, are congruent by the isosceles triangle theorem. It is also given that NR and MQ bisect each other at S. Segments _____ are therefore congruent by the definition of bisector. Thus, ΔMNS ≅ ΔQNS by SAS.

NS and NS

NS and RS

MS and RS

MS and QS

________

\( \: \)

4x + 2 > 14

4x > 14 - 2

4x > 12

x < 12 ÷ 4

x < 3

❍ Hello there! ❍

The number that belongs in the green box is 2.

Remember the Golden Rule of Algebra:

Whatever you do to one side, you must do the same to the other side.

We subtracted 2 from one side, so we have to subtract 2 from the other side.

Hope this helps!

~Just a cheerful teen

#CarryOnLearning

Answered by

\(-SilentNature -\)

Answer:

subtract 2 from both sides

Step-by-step explanation:

2+|4x-3|=7

|4x-3|+2=7

step 1:add -2 to both sides/subtract 2 from both sides (they are the same)

Step 2: Solve Absolute Value.

|4x−3|=5

We know either4x−3=5 or 4x−3=−5

4x−3=5(Possibility 1)

4x−3+3=5+3(Add 3 to both sides)

4x=8

4x /4=8/4

(Divide both sides by 4)

x=2

4x−3=−5 (Possibility 2)

4x−3+3=−5+3 (Add 3 to both sides)

4x=−2

4x /4 = −2 /4

(Divide both sides by 4)

x= −1 /2

Answer:

x=2 or x= −1 /2

The first step in solving the equation is to subtract 2 from both sides of the equation.

The given equation;

2 + |4x−3| = 7

To solve the above equation, the first step is to subtract 2 from both sides of the equation as shown below;

2 + |4x−3| = 7

2 + |4x−3| - 2 = 7 - 2

|4x−3|  = 5

The next would be to form two equations;

-(4x - 3) = 5     and    4x - 3 = 5

from the above two equations, you determine the value of x.

Thus, the first step in solving the equation is to subtract 2 from both sides of the equation.

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Answer:

h=4

Step-by-step explanation:

3h-18=10-4h

-18=10-7h

-28=-7h

-h=-7

h=7

Answer:

Slope: 6

y-intercept: −3

Step-by-step explanation:

Answer:

Example: π (Pi) is a famous irrational number.

We cannot write down a simple fraction that equals Pi.

Step-by-step explanation: true

Answer:

y=ab^x

y=6.0.8^x

Step-by-step explanation:

find exponential function by substituting given values into y=ab^x and the solve

Answer:

Standard form of 400000000 (four hundred million) is 4 x \(10^{8}\)

Step-by-step explanation:

Because there are 8 0s, and its 400 million

Hope this helps!

Based on the cross-price elasticity of Demand, we can conclude that good X and good Y are substitutes.

Let's calculate the cross-price elasticity of demand using the given information:

a. Find the percentage change in quantity demanded of good Y:

Percentage Change in Quantity Demanded of Good Y = (New Quantity Demanded - Initial Quantity Demanded) / Initial Quantity Demanded * 100

Percentage Change in Quantity Demanded of Good Y = (6250 - 5000) / 5000 * 100 = 25%

b. Find the percentage change in the price of good X:

Percentage Change in Price of Good X = (New Price - Initial Price) / Initial Price * 100

Percentage Change in Price of Good X = (5 - 4) / 4 * 100 = 25%

Now, we can calculate the cross-price elasticity of demand:

Cross-Price Elasticity of Demand = Percentage Change in Quantity Demanded of Good Y / Percentage Change in Price of Good X

Cross-Price Elasticity of Demand = 25% / 25% = 1

b. Based on the calculated cross-price elasticity of demand, we can determine the types of goods:

If the cross-price elasticity of demand is positive (as in this case, where it is 1), it indicates that the two goods are substitutes. This means that when the price of good X increases, the quantity demanded of good Y also increases, suggesting that consumers view these goods as alternatives to each other.

Therefore, based on the cross-price elasticity of demand, we can conclude that good X and good Y are substitutes.

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Answer:

Step-by-step explanation:

The best statement that describes the amount of water in the pool is that it is decreasing during the time interval 4. That is option 3.

To determine the time interval of the water in the pool the following is carried out.

At 0 hour, the water is at the level of = 40 gallons

At 1 hour, the water decreased to = 25 gallons.

At 2 hours, the water decreased to = 10 gallons.

The water remained at a constant level till 4 hours.

Therefore, the amount of water in the pool is that it is decreasing during the time interval 4.

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The number of days it will take the virus to grow from 90 to 410 is 15 days.

The growth rate of the virus is calculated as follows;

growth rate = (200 - 90) / 5

growth rate = 22 per day

The number of days it will take the virus to grow from 90 to 410 is calculated as follows;

growth = 410 - 90

growth = 320

Number of days = 320 / 22/day = 14.55 ≈ 15 days

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Answer:

v=2.4/1.6=1.5 m/s

Hope it helps

Have a good day

The approximate speed of the waves when the distance and the time is given so it should be 1.5 m/s.

Since the distance between two incoming wave crests is about 2.4 m and he then measures the time of arrival between wave crests to be 1.6 seconds.

So here the speed be like

\(= 2.4 \div 1.6\)

= 1.5 m/s

Hence, The approximate speed of the waves when the distance and the time is given so it should be 1.5 m/s.

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To find the limit of a convergent sequence, we can simply take the limit as n approaches infinity. Let's calculate the limits for each of the given sequences:

A. \(\sf\:\lim_{n \to \infty} \frac{5n}{n+7} \\\)

To find the limit, we divide the leading terms by n:

\(\sf\:\lim_{n \to \infty} \frac{5n/n}{(n+7)/n} = \frac{5}{1} = 5 \\\)

Therefore, the limit of the sequence A is 5.

B. \(\sf\:\lim_{n \to \infty} \frac{4-7n}{8+n} \\\)

Again, divide the leading terms by n:

\(\sf\:\lim_{n \to \infty} \frac{4/n - 7}{8/n + 1} = \frac{0 - 7}{0 + 1} = -7 \\\)

So, the limit of sequence B is -7.

C. \(\sf:\lim_{n \to \infty} \frac{8n - 500\sqrt{n}}{2n + 800\sqrt{n}} \\\)

Divide the leading terms by n:

\(\sf\:\lim_{n \to \infty} \frac{8 - 500\sqrt{n}/n}{2 + 800\sqrt{n}/n} \\\)

As n approaches infinity, the terms involving \(\sf\:\sqrt{n}/n \\\) tend to 0:

\(\sf\:\lim_{n \to \infty} \frac{8 - 500(0)}{2 + 800(0)} = \frac{8}{2} = 4 \\\)

Therefore, the limit of sequence C is 4.

To summarize:

A. The limit of sequence A is 5.

B. The limit of sequence B is -7.

C. The limit of sequence C is 4.

Answer:

2nt one

Step-by-step explanation:

The length of the zip wire, with a 10-degree angle to the horizontal and a distance of 25 meters between the posts, is approximately 25.35 meters.

To calculate the length of the zip wire, we can use trigonometry. Let's consider the triangle formed by the zip wire, where the horizontal distance between the two posts is 25 meters and the angle between the zip wire and the horizontal is 10 degrees.

Using trigonometric functions, we can determine the length of the zip wire. In this case, we'll use the sine function because we have the opposite side (the vertical distance) and we want to find the hypotenuse (the length of the zip wire).

The formula for sine is:

sin(angle) = opposite / hypotenuse

Rearranging the formula, we have:

hypotenuse = opposite / sin(angle)

In this case, the opposite side is the vertical distance, which is h.

So, the formula becomes:

hypotenuse = h / sin(angle)

To find h, we can use the formula for the length of the zip wire:

h = 25 * tan(angle)

Substituting this into the previous formula, we get:

hypotenuse = (25 * tan(angle)) / sin(angle)

Calculating the value, we have:

hypotenuse = (25 * tan(10°)) / sin(10°)

Using a calculator, we find:

tan(10°) ≈ 0.1763

sin(10°) ≈ 0.1736

Substituting these values, we can calculate the length of the zip wire:

hypotenuse ≈ (25 * 0.1763) / 0.1736 ≈ 25.35 meters

Therefore, the length of the zip wire is approximately 25.35 meters.

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If a varies inversely as b³, the value of a when b=3 is 4/9.

Given that, a varies inversely as b³.

Here, a∝1/b³

a=k/b³

Substitute a=3/2 and b=2 in a=k/b³, we get

3/2 = k/2³

3/2 = k/8

3 = k/4

k = 12

Substitute k = 12 in a=k/b³, we get

a=12/b³

When b=3

a = 12/3³

a=12/27

a=4/9

Therefore, if a varies inversely as b³, the value of a when b=3 is 4/9.

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if angle A is 108 degrees, angle B is 27 degrees then angle C is 45 degrees.

A triangle is a three-sided polygon that consists of three edges and three vertices.

Given that angle A is 108 degrees

Angle B is 27 degrees

We need to find angle C

By angle sum property we know that the sum of three angles is 180 degrees

108+27+x=180

135+x=180

Subtract 135 from both sides

x=180-135

x=45 degrees

Hence, if angle A is 108 degrees, angle B is 27 degrees then angle C is 45 degrees.

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In a triangle ABC, Find the angle C when angle A= 108° ,B=27° .

Answer:

Option A. The tadpole can only live in water.

Step-by-step explanation:

In the initial stage of frog that is its tadpole stage it can only live in water, and has gills that's why they an only breathe in water having oxygen.

Answer:

The correct answer is false.

Step-by-step explanation:

Given the problem: 125x³ +169

We must clarify that the preceding expression is the sum of cubes.

The cube's total takes the form:

b³ + a³ - (1)

125x³ + 169

(5x)³ + 13²

In contrast to equation (1), the aforementioned expression is not the sum of cubes.

Answer:

45

Step-by-step explanation:

Answer: 45

Step-by-step explanation: Parentheses first.

10-1=9. Next is multiplication. 5(9)=45.