find x, find jl . any help is deeply appreciated :) !​

Find X, Find Jl . Any Help Is Deeply Appreciated :) !

Answers

Answer 1

Answer:

6. x = 15

7. JL = 78

Step-by-step explanation:

6. 8x - 23 = ½(10x + 44) (midsegment theorem)

Multiply both sides by 2

2(8x - 23) = 10x + 44

16x - 46 = 10x + 44

Collect like terms

16x - 10x = 46 + 44

6x = 90

Divide both sides by 6

x = 90/6

x = 15

7. MN = 5x - 16

JL = 4x + 34

MN = ½(JL) (midsegment theorem)

5x - 16 = ½(4x + 34) (substitution)

2(5x - 16) = 4x + 34

10x - 32 = 4x + 34

Collect like terms

10x - 4x = 32 + 34

6x = 66

x = 66/6

x = 11

JL = 4x + 34

Plug in the value of x

JL = 4(11) + 34 = 44 + 34

JL = 78


Related Questions

Only 3% of turtle hatchlings will live to become breeding adults. How many turtles must have been born if the current number of breeding adults is 1,200?

Answers

Answer:

116400 I believe not 100% sure tho

The total number of turtles born is 40,000.

What is percentage?

Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

Given that, only 3% of turtle hatchlings will live to become breeding adults.

The current number of breeding adults is 1,200

Let the total number of turtles born be t.

Now, 3% of t=1200

3/100 ×t=1200

3t=120000

t=40000

Therefore, the total number of turtles born is 40,000.

To learn more about the percentage visit:

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expand 2x(3x+2y)
answer needed asap

Answers

Answer:

6x^2+4xy

Step-by-step explanation:

Hope that helps you out!

Answer:

Step-by-step explanation:

6x^2+4xy

What's the greatest number you can multiply by 8 to get close to, but not go over, 69?

Answers

Answer:

8x8=64

happy to help

Step-by-step explanation:

Answer:

you can do 8x8 bc 8x8=64

Step-by-step explanation:

Theoretically, how many times will the spinner land
on the number 4 if it is spun 28 times?

Answers

How many numbers are on the spinner if 4 then 7 times

Pleaseee help I need this done ASAP will mark brainless if correct!!

Answers

I believe its 1/2 because m always stands for slope for slope formula

Help me with this problem please.

Answers

Answer:

I believe its 7?

Step-by-step explanation:

sorry if this is wrong

7 i think i’m not sure

ANYONE PLZ ANSWER THIS QUESTION!!!!!!

Answers

Answer:

E. 40°, 25°, -2°, -16°

Step-by-step explanation:

Temperatures given:

25°, -2°,  - 16°, 40°

Descending order of the numbers is:

40°, 25°, -2°, -16°

Correct choice is E

A circle has a radius of 14 feet. What is the exact area of the circle and what is the approximate area of the circle and What is the appropriate circumference of the circle.

Answers

Answer:

Step-by-step explanation:

Exact area of circle = πr² = 196π sq ft

Approximate area of circle = 615 sq ft

Approximate circumference = 2πr = 88 ft

Answer:

615.75ft²

Step-by-step explanation:

A=πr²=π·14²≈615.75ft²

I need help
56 < 7( 7 - x)

Answers

Answer: x<-1

Step-by-step explanation: because anything less than -1 will give you more than 56

divide 220 in the ratio 3:8​

Answers

Answer:

500/(7+3)=50; 3*50=150, 7*50=350. 150:350=3:7

Step-by-step explanation:

o Ayan sinolve kayan geh pa follow po

220 is divided in the ratio 3:8 as 60 and 160 respectively.

What is the ratio?

The ratio is defined as the comparison of two quantities of the same units that indicates how much of one quantity is present in the other quantity.

The given ratio is 3:8 and the number is 220.

Here, 3+8=11

Now, 3/11 ×220

= 3×20

= 60

8/11 ×220

= 8×20

= 160

Therefore, 220 is divided in the ratio 3:8 as 60 and 160 respectively.

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Um I’m so confused , help ?

Answers

bxucufgvtxhvsh chi sry
What the heck is that.

The number of wins for a high school football team is measured for the season. When the team plays at home, it is generally believed that they will win. Comparing the location of the game and the number of wins, a correlation coefficient of −0.91 is calculated. What would this imply about the football team winning at home?

1. The scatter plot would closely resemble a straight line with a negative slope. The data has a strong, negative correlation, and a causal relationship exists between the team playing at home and winning.

2.The scatter plot would closely resemble a straight line with a negative slope. The data has a strong, negative correlation, but causation cannot be determined.

3.The scatter plot would not be represented by a line of best fit with a negative slope. There is a weak correlation between the football team playing at home and winning.

4. There is no causation and almost no correlation between the football team playing at home and winning.

Answers

Correlation coefficients are used to solve this question, leading to the following answer:

1. The scatter plot would closely resemble a straight line with a negative slope. The data has a strong, negative correlation, and a causal relationship exists between the team playing at home and winning.

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

Correlation coefficients:

They measure the relationship between variables, the closer |r| is to 1, the stronger the relationship is.

If the coefficient is positive, there is a positive relationship(both variables change in the same direction)If the coefficient is negative, there is a negative relationship(the variables change in opposite directions).

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

In this question:

r = -0.91

Negative, so opposite directions, which can be explained as for example, the more the team travels(plays away games), the less games it wins.|r| = 0.91, which is quite close to 1, so a significant relationship.Negative relation means that the scatter plot would be represented by a straight line with a negative slope, and the correct answer is:

1. The scatter plot would closely resemble a straight line with a negative slope. The data has a strong, negative correlation, and a causal relationship exists between the team playing at home and winning.

For more on correlation coefficients, you can check https://brainly.com/question/19560394

Bernard built 15 model cars one year. He did not build as many model cars as his sister, Abby. In the inequality, n represents the number of model cars Bernard needed to build to have more than Abby.


Which number of model cars did Bernard need to build to have more model cars than Abby?
A.1
B.2
C.3
D.4

Answers

Answer:

The answer is 1

Step-by-step explanation:

Rachel runs 4 miles in 23 minutes. How many miles does she run per minute?​

Answers

Answer:

To calculate how many total miles Rachel runs per minute, setting up a unit rate, that is a rate with a denominator of 1, would be helpful.

Step-by-step explanation:

Use the current problem to determine a rate.

23 minutes/4 miles

Now, set up a unit rate.

1 minute/x miles = 23 minutes/4 miles

To solve for x, we can use simple division strategies. We divide 23 by 23 to receive 1 minute. Likewise, dividing the current milage by 23 would wield the correct unit rate. To do this, divide 4 by 23.

4/23 = 0.1739130434782609

Finally, simplify your answer to receive 0.17.

Therefore, Rachel runs ~0.17 miles per minute. (Note that this answer is only a rounded answer of her actual milage per minute)

An angle measures 106.4° less than the measure of its supplementary angle. What is the measure of each angle

Answers

Answer:

The two supplementary angles are 10 and 170 degrees.

Step-by-step explanation:

Two angles are supplementary when that add up to 180 degrees. In this case, we are given that one of the two angles is 160 degrees more than the other. We can construct the following equation. x + ( x + 160 ) = 180 x

represents the degree measure of the smaller angle. Now, all we need to do is solve the equation for x. 2 x + 160 = 180    2 x = 20 x = 10

Now that we have the value of the smaller angle, we can easily solve for the larger angle. We are told that it is 160 degrees larger than the other one.

10 + 160 = 170. Therefore, the two supplementary angles are 10 and 170 degrees.

The volume of a cylinder is 63 pi cm^3 . If the radius is 3cm, what is the height of the cylinder?

A. 3.5 cm
B. 21 cm
C. 10.5 cm
D. 7 cm

will give brainliest ​

Answers

Answer:

Step-by-step explanation:

volume = πr²h = π·3²h = 63π

h = 7 cm

The height of the given cylinder is 7 cm. Therefore, option D is the correct answer.

What is the volume?

Volume is the measure of the capacity that an object holds.

Formula to find the volume of the object is Volume = Area of a base × Height.

Given that, the volume of a cylinder is 63π cm³ and the radius is 3 cm.

We know that, the formula to find the volume of a cylinder is πr²h.

Now, πr²h=63π

π×3²×h=63π

h= 7 cm

Therefore, option D is the correct answer.

To learn more about the volume visit:

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3 less than four-sevenths of x is y

Answers

y = 4/7x - 3

hope this helps

Answer:4/7-3

Step-by-step explanation:

Yep

A group of preschoolers was asked to name their favorite fruit. What percent of the kids chose grapes?

29%
79%
21%
31%

Answers

100 - 18 - 37 - 24 = 21

answer is 21%
Whats 9+10?
.
.
.
.
21

TL;DR
The answer is 21%

Jamal has 30 ounces of a 20% saline solution. This means 20% of the solution is salt. He combines this solution with 25 ounces of a
30% saline solution
What is the total amount, in ounces, of salt in the combined moxture?

Answers

Answer:

13.5 ounces

Step-by-step explanation:

Is this not 2? I got 2 and it was wrong

Answers

Answer:

Not Proportional

Step-by-step explanation:

Constant of proportionality is what you multiply with x to get y. This is not proportional since its not the same number each time

Answer:

i think its b

Step-by-step explanation:

reason is because 2 divided 2 is not 0 and 6 divided by 2 is not 4

sorry if its wrong ;(

What is the variable in the expression below?
3y?

Answers

Answer
y
Explanation

In mathematics, a variable is a symbol or letter, such as "x" or "y," that represents a value.

if 8 men can build a house in 90 days, in how many days can 20 men working under the same rate build the house?​

Answers

It will take 36 days for 20 men to complete the building

Please help! I need the answers with an explanation to these questions ASAP. Thanks!

Question 1. What value could complete this given equation that would make it true for no values of x? Show or explain your thinking.

Question 2. What value could complete this equation that would make it true for every value of x? Show or explain.

Answers

Answer:

0

Step-by-step explanation:

Given equations is

x+2y=8,5x+10y=c

The equations a

1

x+b

1

y=c

1

and a

2

x+b

2

y=c

2

will have uique solutions if

a

2

a

1

=

b

2

b

1

=

c

2

c

1

but from equations,

a

2

a

1

=

5

1

,

b

2

b

1

=

10

2

,

c

2

c

1

=

c

8

a

2

a

1

=

b

2

b

1

The given equations does not have unique solution, so the given statement is false, The correct answer is 0

(-7)^2

Help
Also what's your zodiac sign?

Answers

Answer: 49

and im a taurus

Step-by-step explanation:

Answer:

49

Step-by-step explanation:

-7*-7= 49

Im a gemini

Find a quadratic polynomial with integer coefficients which has x = 2/9, ± SQRT23/9 as its real zeros.

Answers

Answer:

The quadratic polynomial with integer coefficients is [tex]y = 81\cdot x^{2}-36\cdot x -19[/tex].

Step-by-step explanation:

Statement is incorrectly written. Correct form is described below:

Find a quadratic polynomial with integer coefficients which has the following real zeros: [tex]x = \frac{2}{9}\pm \frac{\sqrt{23}}{9}[/tex].

Let be [tex]r_{1} = \frac{2}{9}+\frac{\sqrt{23}}{9}[/tex] and [tex]r_{2} = \frac{2}{9}-\frac{\sqrt{23}}{9}[/tex] roots of the quadratic function. By Algebra we know that:

[tex]y = (x-r_{1})\cdot (x-r_{2}) = x^{2}-(r_{1}+r_{2})\cdot x +r_{1}\cdot r_{2}[/tex] (1)

Then, the quadratic polynomial is:

[tex]y = x^{2}-\frac{4}{9}\cdot x -\frac{19}{81}[/tex]

[tex]y = 81\cdot x^{2}-36\cdot x -19[/tex]

The quadratic polynomial with integer coefficients is [tex]y = 81\cdot x^{2}-36\cdot x -19[/tex].

Write the expression:

The quotient of the sum 3y and 5, and y squared.

Answers

Answer:

(3y + 5) / (y^2)

Step-by-step explanation:

Sorry it's not actually in fraction format. That little button thing is having troubles atm on my end. Hope this is okay

) Which of the following is the correct equation of a vertical line that contains (5, 6)?

Answers

Answer:

[tex]y = {x}^{2} - 11x + 30[/tex]

math work pls help :)​

Answers

Answer:

the theorum used here is sas one

How Many?pls help me.

Answers

Answer:

8

Step-by-step explanation:

the answer is 8 because 5/3x4.8 =

I need help with 1 over x minus 8 so like 1/x-8
Negative Exponent

Answers

Answer:

1-8x

Step-by-step explanation:

1/x - 8

x × 1/x - 8× x

1-8x

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