The sum of two numbers is 50. The first number is 43 less than twice the second number. Write and solve a system of equations to find the two numbers.

Answers

Answer 1

Answer: 19 and 31

Step-by-step explanation: Make the first number x, the second number y.

The sum of x and y is 50: x+y=50

x is 43 less than 2y: x=2y-43

replace x in equation x+y=50 with x=2y-43: 2y-43+y=50

combine like terms: 3y-43=50

add 43 to both sides: 3y=93

divide both sides by 3: y=31

replace y in equation x+y=50 with y=31: x+31=50

subtract 43 31 from both sides: x=19

the solution to the question is the first number is 19, the second number is 31

Answer 2

The two numbers that sum up to 50 with one being 43 less than twice the other, we set up a system of equations, solve for one variable, and then substitute it back into the other equation, resulting in the numbers 19 and 31.

The question asks us to find two numbers whose sum is 50 and where the first number is 43 less than twice the second number. To solve this, we can create a system of equations to represent the given conditions. Let the first number be x and the second number be y.

According to the question, the sum of the two numbers is 50, which gives us our first equation:

x + y = 50 (Equation 1)

The first number x is 43 less than twice the second number y. This provides the second equation:

x = 2y - 43 (Equation 2)

We now have a simple system of two linear equations:

x + y = 50

x = 2y - 43

We can substitute the second equation into the first to solve for y:

(2y - 43) + y = 50

3y - 43 = 50

Add 43 to both sides:

3y = 93

Divide both sides by 3:

y = 31

We can now substitute y = 31 back into Equation 2 to find x:

x = 2(31) - 43

x = 62 - 43

x = 19

Therefore, the two numbers are 19 and 31.


Related Questions

Solve the inequality. Graph the solution set.
5x - 6 > 4x - 8

Answers

Answer:

Step-by-step explanation:

sorry

no graph paper to graph

Which of the following is a solution to this inequality? y>1/2x+2

Answers

The only solution to the inequality is point A, (1,4). Thus, the correct answer is A. To find the solution to the inequality [tex]\( y > \frac{1}{2}x + 2\),[/tex] we need to determine which of the given points satisfy the inequality. Let's test each point by substituting its coordinates into the inequality and checking if it holds true.

A. (1,4):

When [tex]\(x = 1\)[/tex] and [tex]\(y = 4\),[/tex] we have:

[tex]\(4 > \frac{1}{2}(1) + 2\)[/tex]

[tex]\(4 > \frac{1}{2} + 2\)[/tex]

[tex]\(4 > 2.5\)[/tex]

This is true, so point (1,4) satisfies the inequality.

B. (-1,1):

When [tex]\(x = -1\)[/tex] and [tex]\(y = 1\)[/tex], we have:

[tex]\(1 > \frac{1}{2}(-1) + 2\)[/tex]

[tex]\(1 > -\frac{1}{2} + 2\)[/tex]

[tex]\(1 > 1.5\)[/tex]

This is false, so point (-1,1) does not satisfy the inequality.

C. (2,3):

When [tex]\(x = 2\)[/tex] and [tex]\(y = 3\)[/tex], we have:

[tex]\(3 > \frac{1}{2}(2) + 2\)[/tex]

[tex]\(3 > 1 + 2\)[/tex]

[tex]\(3 > 3\)[/tex]

This is false, so point (2,3) does not satisfy the inequality.

D. (0,2):

When [tex]\(x = 0\)[/tex] and [tex]\(y = 2\)[/tex], we have:

[tex]\(2 > \frac{1}{2}(0) + 2\)[/tex]

[tex]\(2 > 2\)[/tex]

This is false, so point (0,2) does not satisfy the inequality.

Therefore, the only solution to the inequality is point A, (1,4). Thus, the correct answer is A.

The complete question is:

Which of the following is a solution to this inequality? y>1/2x+2

A. (1,4)

B. (-1,1)

C. (2,3)

D. (0,2)

what is the value of x? enter in the box.​

Answers

Answer:

x=39° bc you add 102 +39 then subtract the total by 180

Answer: i think its 39 cause

180-(39+102)= 39

Johanna rode her bike 7 miles to a lake. She rode 3/4 of the distance to the lake before lunch. How many miles did Johanna ride before lunch?

Answers

Answer:

5.25 miles

Step-by-step explanation:

The next number in the series 13, 18, 16, 21, 19, is:

Answers

Answer:24

Step-by-step explanation: the pattern is add 5 minus 2 (13+5=18, 18-2=16) so 19+5=24

Answer: 24

Step-by-step explanation: pattern is add 5 then subtract two for next one

Hope this helps

Select all ratios equivalent to 3:4.
11:16
11:16
18:24
18:24
15:20
15:20
T

Answers

Answer:

18:24

18:24

15:20

15:20

Step-by-step explanation:

Because 18/3:24/3 = 3:4

Also, 15/5:20/5 = 3:4

18:24
18:24
15:20
15:20

This is the answer to a problem or an equation.

Example: For 3x+6=27, this is x=7

Answers

Answer:

x=7 is the answer

3x+6=27 is the equation

x=7 is the correct answer for the equation.

To solve the equation 3x + 6 = 27, subtract 6 from both sides and then divide by 3 to get x = 7. Verify by substituting x = 7 back into the original equation. This confirms the solution is correct by making a true statement.

Step by Step Solution:

When solving an algebraic equation, the goal is to find the value of the variable that makes the equation true. For example, consider the equation 3x + 6 = 27. To solve for x, follow these steps:

Subtract 6 from both sides of the equation: 3x + 6 - 6 = 27 - 6, which simplifies to 3x = 21.

Next, divide both sides by 3: 3x / 3 = 21 / 3, which gives x = 7.

To verify the solution, substitute x = 7 back into the original equation: 3(7) + 6 = 27. Simplifying this, we get 21 + 6 = 27, which is a true statement, verifying our solution.

Note that an identity in algebra is an equation that is true for all values of the variable, such as 6 = 6. In our example, the solution x = 7 makes both sides of the original equation equal, thus satisfying the equation.

Juan plans to watch 2 movies each month. Write an equation to represent the total number of movies (n) the he will watch in (m) months.

Answers

Answer:

n = 2m

Step-by-step explanation:

total number of movies = 2 movies every month times the number of months

Answer:

n = 2m

Step-by-step explanation:

total number of movies = 2 movies every month times the number of months

The product of twice a number and six is the same as the difference of eleven times the number and 8/5. Find the number

Answers

Answer:

-1.6

Step-by-step explanation:

Ⓗⓘ ⓣⓗⓔⓡⓔ!

Your equation will be 2x*6=(11*x)-(8/5)

12x=11x-1.6

-11x -11x

x=-1.6

(っ◔◡◔)っ ♥ Hope this helped! Have a great day! :) ♥

The number that satisfies the given condition the product of twice a number and six is the same as the difference of eleven times the number and 8/5 is -1.6.

Let's assume the number we are looking for is "x."

The problem states that the product of twice the number and six is the same as the difference of eleven times the number and 8/5.

Step 1: Express the given statement as an equation.

The product of twice the number and six is 2x * 6 = 12x.

The difference of eleven times the number and 8/5 is 11x - 8/5.

Now, we can set up the equation:

12x = 11x - 8/5

Step 2: Solve for x.

To solve for x, we need to isolate x on one side of the equation. Subtract 11x from both sides of the equation:

12x - 11x = 11x - 11x - 8/5

x = -8/5

The number we are looking for is x = -8/5 or -1.6.

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write an expression please help me

Answers

I'm pretty sure it's

(24/3) + x.

Simplify it: 8 + x

a rectangle has a length of 6cm, and an area of 18cm aquared. what is the width of the rectangle?

Answers

Answer:

  3 cm

Step-by-step explanation:

The formula for the area of a rectangle is ...

  A = LW . . . . . . area is the product of length and width

Fill in the given values and solve for the width (W).

  18 cm² = (6 cm)W

  (18 cm²)/(6 cm) = W = (18/6) cm²/cm . . . . . . divide by the coefficient of W

  W = 3 cm

The width of the rectangle is 3 cm.

Final answer:

The width of a rectangle, with a length of 6 cm and an area of 18 cm squared, is 3 cm.

Explanation:

The question is asking for the width of a rectangle which we can find using the formula for the area of a rectangle. The formula is: Area = Length x Width. From the given question, we know that the area is 18 cm2 and the length is 6 cm. So, we can set up the equation: 18 = 6 x Width. To solve for width, we divide both sides of the equation by 6. This gives us Width = 18 ÷ 6 which equals 3 cm.

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Elena went 60 meters in 15 seconds. How far did she go in 1 second

Answers

Answer:

Elena went 4 meters a second.

Step-by-step explanation:

The first thing we would do would be to divide 60 and 15.

So 60÷15

This would equal 4.

If you have any questions feel free to ask in the comments. - Mark

Answer:

She went 4 meters per second

Step-by-step explanation:

Equation is:   15x=60

                     15     15

x=4 meters    


At a restaurant, the bill comes to $62. If you decide to leave a 10% tip, how much total do you need to pay? Give your
answer to the nearest dollar.

Answers

Answer:the tip itself will be $6.20 but in total it will all cost $68.20

Step-by-step explanation:

An arc on a circle measures 85°. The measure of the central angle, in radians, is within which range? 0 to StartFraction pi Over 2 EndFraction radians StartFraction pi Over 2 EndFraction to π radians π to StartFraction 3 pi Over 2 EndFraction radians StartFraction 3 pi Over 2 EndFraction to π radians

Answers

Answer:

0 to StartFraction pi Over 2

Step-by-step explanation:

we know that

If the arc on a circle measures 85 degrees, then the measure of the central angle is also 85 degrees too

so

The central angle in degrees is within the range [tex](0,90^o)[/tex]

Convert to radians

Remember that

[tex]\frac{\pi}{2}\ radians=90^o[/tex]

therefore

the range in radians is [tex](0,\frac{\pi}{2})[/tex]

0 to StartFraction pi Over 2

Answer: A. 0 to pi/2 radians

Step-by-step explanation:

In Long division please divide 9 by 243

Answers

Answer:

27

Step-by-step explanation:

Answer:27

Step-by-step explanation: 9 goes into 2 zero times. Put a zero on top. 9 goes into 24 two times. Put a 2 on top. Now multiply 9 by 2 and get 18. Put 18 under the 24 and subtract. This gives 6. Bring down the 3 and have 9 into 63 which is 7. Put a 7 on top. The top is the answer of 027, cancel the zero and get 27.

A shipping company says the box can hold a volume of 672 cubic inches. The base of the box measures 14 inches by 8 inches. What is the height of the box?

Answers

Height is 6 inches

Step-by-step explanation:

The volume of a box can be calculated as : l * w * h

Volume of the box is given as =672 in²

Applying the formula

v=l*w*h

672= 14*8*h

672/(14*8) = h

6=h

Height is 6 inches

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Answer:

6 in

Step-by-step explanation:

Find the seventh term in the sequence: 11, 13, 15,...

Answers

The seventh term is 23.

Step-by-step explanation:

Step 1: This is an Arithmetic Progression 11, 13, 15...

Given, First term, a = 11

Step 2: Find Common difference, d =   13 - 11 = 2Step 3: Formula for nth term in an AP, a(n) = a + (n-1) d Step 4: Substitute for 7th term, a(7) = 11 + (7 - 1) 2

= 11 + (6*2)

= 11 + 12 = 23

The isosceles triangle has a perimeter of 7.5 m.

Which equation can be used to find the value of x if the shortest side, y, measures 2.1 m?

2 x minus 2.1 equals 7.5
4.2 plus y equals 7.5
y minus 4.2 equals 7.5
2.1 plus 2 x equals 7.5

Answers

The equation 2.1 plus 2 x equals 7.5 can be used to find the value of x ⇒ 4th answer

Step-by-step explanation:

In an isosceles triangle:

Two sides are equal ⇒ the angle between them is called the vertex angle of the triangleTwo angles are equal ⇒ they called the base angles

∵ The triangle is isosceles

- That means it has two equal sides

∵ The shortest side is y

∵ The length of the other two sides is x

The perimeter of the triangle = y + 2 x

∵ The perimeter of the triangle = 7.5 m

- Equate the expression of the perimeter by 7.5

y + 2 x = 7.5

∵ The shortest side measures 2.1 m

∴ y = 2.1

- Substitute y by 2.1 in the equation above

2.1 + 2 x = 7.5

The equation 2.1 plus 2 x equals 7.5 can be used to find the value of x

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Answer:

D

Step-by-step explanation:

Find the quotient 1/5 divided by 2

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

What is the value of y in the product of powers below? 8 cubed times 8 Superscript negative 5 Baseline times 8 Superscript negative 2 Baseline = StartFraction 1 Over 8 squared EndFraction

Answers

Answer: [tex]y=0[/tex]

Step-by-step explanation:

The complete exercise is attached.

For this exercise it is important to remember:

1. The Product of powers property. This property states that:

[tex](a^m)(a^n)=a^{(m+n)}[/tex]

2. The multiplication of signs:

[tex](+)(+)=+\\(-)(-)=+\\(-)(+)=-\\(+)(-)=-[/tex]

Then, given:

[tex]8^3*8^{-5}*8^y=8^{-2}=\frac{1}{8^2}[/tex]

You can identify that [tex]8^{-2}[/tex] is obtained by applying the Product of powers property:

[tex]8^{3+(-5)+y}=8^{-2}=\frac{1}{8^2}[/tex]

Based on the explained above, you can write the following equation:

[tex]3+(-5)+y=-2[/tex]

Therefore you must solve for the variable "y" in order to find its value. You get that this is:

[tex]3-5+y=-2\\\\-2+y=-2\\\\y=-2+2\\\\y=0[/tex]

Answer:

You're trying to find the value of y that would result in 8^-2. When you multiply terms with the same base, you can add the exponents. 3+-5=-2 and -2-(-2) equals 0, so therefore y is equal to 0.

Step-by-step explanation:

What percentage of 7.7 billion is 15 million?

Answers

Answer:

64.94% or as a decimal .65

Step-by-step explanation:

7.7 billion (x)=15 million

7.7x /7.7 and 15/7.7

is about .... 64.94% which is about .65

x- represents the unknown percentage.

Sorry if incorrect :(

Tim said that to solve the equation x - 2 = 9, he would
need to subtract 2 from both sides of the equation.
Is Tim correct? Explain. Step by step please :D

Answers

No he would have to add 2 to both sides
Once added you will have x=11

_____ life insurance is for a specific time period and is the cheapest way to buy life insurance.

Answers

Term life insurance is insurance that insures you for a certain time period like 5 years for example.

Usually in months and years is how its done.

Term life insurance is for a specific time period and is the cheapest way to buy life insurance.

Unlike permanent life insurance policies, which cover an individual for their entire life, term life insurance offers protection for a predetermined period, such as 10, 20, or 30 years. Because it does not accumulate cash value and only pays out a death benefit if the insured passes away during the specified term, premiums for term life insurance tend to be lower compared to permanent policies.

The affordability of term life insurance makes it an attractive choice for individuals seeking to secure financial protection for their loved ones during specific critical periods, such as the years when children are growing up or when a mortgage is being paid off.

It's a straightforward and efficient way to provide a death benefit for beneficiaries in case the insured passes away within the chosen term, offering financial security without the long-term commitment and higher premiums associated with permanent life insurance options.

Solve this proportion. Show your work. 7/12 = 42/x

Answers

Answer:

42/72

Step-by-step explanation:

42/7=6

12*6=72

A town has a population of 17000 and grows at 4% every year. What will be the population after 5 years, to the nearest whole number?

Answers

What will be the population after 5 years is 20,683.

Using this formula

A=P(1+r/100)^n

Where:

P=17000

r=4%

n=5 years

Let plug in the formula

P=17,000(1+0.04)^5

P=17,000×(1.04)^5

P=17,000×1.2166529

P=20,683

Inconclusion the population after 5 years is 20,683.

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Answer:

y = 27218

Step-by-step explanation:

I’m having trouble if you know how please explain!

Answers

The answer is 1,4 because when you minus 6-2 it’s 4

Answer:

None of the above

Step-by-step explanation:

So in order to do this you have to plug in each answer to the equation.

Lets start with (6,0)

0 = -2(6) + 6 =     0 = -6.  This answer is wrong because its false. 0 does not equal -6.

Next answer, (1,4)

1 = -2(4) + 6 =     1 = -2   This answer is also wrong because 1 does not equal -2.

Next answer, (-2,-2)

-2 = -2(-2) + 6 =      -2 = 10   This answer is wrong as well because -2 doesn't equal 10.

This leaves us with none of the above which is true since the first 3 answers are wrong.

What equals to 2/3 the answers denominator is 9

Answers

the answer would be 6/9

explanation:

2/3 ?/9

if you multiply 3 and 3, it gives you 9, which is the denominator. then you also have to multiply the numerator by the same thing you multiply the denominator with. therefore, 2x3 would give you 6, which makes your answer:

6/9

Much HELP needed here!! If you can id appreciate it so much ):

Answers

Answer:

OPTION D: (-1, 10)

Step-by-step explanation:

The equation of a line in standard form is given by: [tex]$ \textbf{y} \textbf{-} \textbf{y}_\textbf{1} \hspace{1mm} \tetxbf{=} \hspace{1mm} \tetxtbf{m}(\textbf{x - x}_{\textbf{1}}) $[/tex]

Here, m is the slope of the line.

[tex]$ (x_1, y_1) $[/tex] is the point on the line.

Therefore, comparing it with the given data:

[tex]$ y - 2= -\frac{2}{3}(x - (-1)) $[/tex]

[tex]$ \implies y_1 = -2 $[/tex]

[tex]$ \& \hspace{2mm} x_1 = -1 $[/tex]

Hence, the point on the line is: (-1, 2).

Hence, the answer.

if sin F = 3/5 , what is cos G ?

Answers

Answer:

D

Step-by-step explanation:

side HG is 3

side FG is 5 hypotenuse

sin F = 3/5 = opposite/hypotenuse

cos G is adjacent/hypotenuse

adjacent side is HG which = 3

hypotenuse is 5

Final answer:

Without additional context, we cannot give a direct answer for cos G based only on sin F = 3/5. If F and G are complementary angles in a right triangle, cos G would also be 3/5. Otherwise, more information about the relationship between F and G is needed.

Explanation:

To solve this question, we need a bit more context because there is not enough information provided to directly determine the value of cos G. However, typically, if sin F is given as 3/5 for a right triangle, then by the Pythagorean theorem, we know cos F = √(1 - sin^2 F), which calculates to 4/5, assuming F is an angle in a right triangle in standard position with F between 0 and 90 degrees.

This doesn't directly give us cos G, but if we assume G is the complementary angle to F in a right triangle (F + G = 90 degrees), then cos G = sin F and we could say cos G is also 3/5. If sine and cosine relate to different triangles or different contexts, we would need the relationship between angles F and G or additional information to solve for cos G.

How to write 47 in mayan notation

Answers

Answer:

. .

. .

_

explanation

2×20^1+(1×5+2)×20^0=47

The number 47 in Mayan notation is:

..

-..

Writing 47 in Mayan notation:

1. Divide 47 by 20:

  - Quotient: 2

  - Remainder: 7

2. Convert to Mayan symbols:

  - Quotient (2) for the second level (20s place): Two dots (..)

  - Remainder (7) for the first level (units place): One bar and two dots (-..)

So, 47 in Mayan notation is:

..

-..

Top level (2 × 20) = ..

Bottom level (7) = -..

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