Mathematics College

what is the value of x?
help would be so appreciated!

Answers

Answer 1

Answer:

x =23

Step-by-step explanation:

ok first, the full degree of a straight line is 180°

subtract 38° out of 180°

180-38= 142

so 6x+4= 142°

subtract 4 from both sides of the equation

6x +4 -4= 142-4

6x=138

divide 6 from 6x and 138

x=23

Related Questions

Dina is making a logo and she decides to use a regular polygon. Each interior angle of the polygon measures 140°. what is the number of sides of this polygon?

Answers

Answer:

Number of sides = 360/ (180 -140)

Number of sides = 360/ 40

Number of sides = 9

Step-by-step explanation:

please help me out here guys I would really appreciate it (struggling hard)

Answers

Answer:

3/15 is pauls probability simplified to 1/5

7/ 14 is Kim's probability simplified to 1/2

so, the overall probability would be 1/10

(05.02)
Solve the following system of equations:
-2x + y = 1
-4x + y = -1

Answers

Answer: (1,3)

Explanation:

If Melanie jogs 12.8 miles in 4
days, what is her mileage per
day?

Answers

3.2

divide 12.8 and 4

1.) Which equation has a solution of 2/3 for n? A n - 1 = 1 3 B 160 24 C 15m = 10 D 1 +7= = 3

plssssss help i need it urgently plsssss

Answers

The answer isssssssssss a

Which trigonometric functions are undefined when x = 0?

Answers

The trigonometric functions that are undefined when x = 0:

cot(x) and cosec(x)

We need to write the trigonometric functions are undefined when x = 0.

We know that the trigonometric functions are : sine, cosine, tangent, cotangent, secant and cosecant.

For angle x the trigonometric functions would be,

sin(x), cos(x), tan(x), cot(x), sec(x), cosec(x)

We know that, when x = 0,

sin(0) = 0 and cos(0) = 1

tan(x) = sin(x) / cos(x)

So, tan(0) = 0

cot(x) = cos(x)/sin(x)

cot(0) = 1 / 0

cot(0) = undefined

Also, sec(x) = 1/cos(x)

so, sec(0) = 1

And cosec(x) = 1/sin(x)

so, cosec(0) = 1/sin(0)

cosec(0) = 1 / 0

i.e., cosec(0) = undefined

Therefore, the trigonometric functions that are undefined when x = 0:

cot(x) and cosec(x)

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The table below shows the distance Chris is located from his school at different times. Time (minutes) Distance (miles) 0 20 3 18 6 16 9 14 12 12 15 10 Assuming a linear relationship, how long will it take Chris to get to school? Hint: (0 miles is the same as the x-intercept)

Answers

Answer:

20 minutes

Step-by-step explanation:

x is 0 in the graph and y is 20

so 20 is your answer if 0 is x

Which situation has a net result of zero?
The temperature was -9'F and fell 9°F.
Janet had $4 and gave $3 to her friend.
High tide was 5.5 ft and now low tide is -0.5 ft.
The hot-air balloon rose 539 feet. It then lost 539 feet of altitude.

Answers

Answer:

D. The hot-air balloon... results in a net of zero

Step-by-step explanation:

Thanks for the points my guy :)

have a great day

Answer:

canberry

Step-by-step explanation:

5- 2x to the power of two = -15
what is x

Answers

there are two answers
x= the square root of 10.
x= the negative square root of 10

5 - 2x^2 = -15

=> - 2x^2 = -15 -5

=> - 2x^2 = -20

=> x^2 = -20/-2

=> x^2 = 10

=> x = √10

=> x = 3.1622..........

ABCD with vertices A(1’5), B(3. 5), c(4. 1) and D(2,1).
5. What is the area of ABCD? Round to the nearest hundredth if necessary
6. What is the perimeter of ABCD? Round to the nearest hundredth if necessary.

Answers

Answer:

uwu0cwe

Step-by-step explanation:

A rectangular swimming pool has a length of l yards and a width 5 yards less than its length. How much does it cost to border the outside of
the pool using 1-yard square tiles that cost $4 each?
o (161 – 40) dollars
(161 – 24) dollars
(42–6) dollars
(161 - 20) dollars
8 of 15 answered
< PREV
7 8 9 10 11
12
NEXT >
..

Answers

Answer:

i need a bad bleep

Step-by-step explanation:

lol

PRE CALC QUESTION, PLEASE HELP

Answers

for applies= associative and distributive
and for doesnt apply = commutative.

im not 100 sure for the distributive answer but ik the other ones are right

Below is a distance with given lengths to help Cecil cross the tightrope. Find a way to get cecil cross the tightrope.Write your
solutions as numerical expressions. the length of the tightrope is 15 feet long the lengths are 2,6 and 8 feet. Explain why or why not you can use these lengths. PLEASE HELP WORTH A LOt OF POINTS

Answers

Answer: Yes, you can cross a tightrope with lengths of 2,6, and 8 feet.

Step-by-step explanation: the measurements add up to 16 feet, which is enough to cross.

The illustration below is an example of a semi-regular tessellation.
A. True
B. False

Answers

I think it would be B.False

The illustration below is a semi-regular tessellation is a false statement.

What is Tessellation?

Tessellation is defined as the process of covering of a surface or a plane using the geometric shapes.

One geometric shape will not overlap with the other and there will not be any gaps in between.

There are regular tessellations as well as semi-regular tessellations.

Regular tessellations are the tessellations which are made using only a single type of the polygon to cover the entire surface.

Whereas in semi-regular tessellations, two or more regular polygons are used such that each vertex is the same to cover the surface.

Here, the illustration contains only one type of polygon which are tiled to each other with out any gaps.

It is actually regular tessellation.

Hence the statement that the illustration is semi-regular tessellation is incorrect.

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25 families live in the squares of a 5 × 5 chessboard, each occupying a square. As it often happens, each family thinks that their neighbors (i.e. those families living in the squares with which their square shares a side) have better living units. At a town hall meeting it is resolved to make everyone happier by moving the 25 families around so that each ends up in a square of one of their former neighbors. Unfortunately try as they might, the families cannot figure out any relocation scheme to carry out this resolution. Give a very simple reason explaining why they were doomed to fail. (Hint: 25 is odd).

Answers

Answer:

Step-by-step explanation:

Answer:

I don't know really wut is the question

Which diagram could be used to prove (triangle) ACB ~ (triangle) DEC using similarity transformations?

My picture includes all 4 options

A C
B D

Like that hope it’s understandable...

Answers

Answer:

C because a b and d do not show any similaritys

What is the total surface area please help

Answers

Answer:

167

Step-by-step explanation:

Solve for x. Round to the nearest tenth. x =

Answers

9514 1404 393

Answer:

x ≈ 17.3

Step-by-step explanation:

The triangles are all similar, so the side lengths are proportional.

short side / hypotenuse = x/30 = 10/x

x² = 300 . . . . . . cross multiply

x = 10√3 . . . . . . take square root

x ≈ 17.3

WILL GIVE BRAINLIEST IF CORRECT!!

How many different 7-digit positive integers exist? (Note that we don't allow "7-digit" integers that start with 0, such as 0123456; this is actually a 6-digit integer.)

Answers

Answer:

There are 9,000,000 seven-digit positive integers.

Explanation:

For the first digit, we have 9 choices: 1, 2, 3, 4, 5, 6, 7, 8, 9.

For each remaining digit, we have 10 choices: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9.

Each choice is independent of the others. So, the number of total 7-digit positive integers is the product of all the numbers of choices for each digit.

hope it helps

need brainliest......

Since 0 cannot be put as the first digit, there are 9 choices for the first digit, and the next 6 digits have 10 choices. So, there are 9 × 10^6 = 9000,000 numbers.

a study was conducted at a large hospital to determine whether there was a relationship between numbers

Answers

Step-by-step explanation:

study was conducted at a large hospital to determine whether there was a relationship between the

ntunber of years that nurses were employed and the number of nurses who voluntarily resign

g(x) = (x + 4)4(x − 9) At x = −4, the graph the x–axis. At x = 9, the graph the x–axis.

Answers

Answer:

First ones touches

second ones crosses

Step-by-step explanation:

Edge202

The graph of this function is a parabola which opens upward.

What is a function?

Function is a type of relation, or rule, that maps one input to specific single output.

We have been given the following function:

g(x) = (x + 4)(x − 9)

The graph of this function is a parabola which opens upward and whose x-intercepts are:

x + 4 = 0

x = -4

x - 9= 0

x = 9

On the other hand, the y-intercept will be:

g(x) = (x + 4)(x − 9)

g(x) = (0 + 4) (0 − 9)

g(x) = -36

Hence, the graph of this parabola is attached below.

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what value of x makes the equation 4(5-7x)=6-12x true?

Answers

Answer:

x= 7 /8

Step-by-step explanation:

Have a great day/night.

Ask me if you have more questions

Plz, help me!!

You have just been hired as New York’s premier Real Estate Agent! In your company, you will make a 7% commission. The real estate market in New York is booming! As the realtor calculates your potential commission if you sell the property for list price.
If the listing price for Candy Cane Creek is $864, 550, how much commission would you receive?

Answers

Answer:

$60,518.50

Step-by-step explanation:

Well the commission is 7%

7% of $864,550 = $60,518.50

Answer:

$60,518.50

Step-by-step explanation:

$864,550 x 0.7 = $60,518.50

How would I solve this
Solve the quadratic equation 3x^2+x-5=0

Give your answers to 2 decimal places.

Answers

Answer:

x= 1.13 or x= -1.45

Step-by-step explanation:

use the quadratic square root formula (-b±√(b²-4ac))/(2a) .

a= 3

b=1

c= -5

replace the variables with the numbers listed above and just work out.

x= 1.13 or x= -1.45

Answer:

x = -1/6 + 1/6√61 or x = -1/6 + -1/6 √61

Step-by-step explanation:

3x^2+x-5=0

Using quadratic formula a=3, b=1, c=-5

x = -b ± √b^2 - 4ac / 2a

x = -(1) ± √(1)^2 - 4(3)(-5) / 2(3)

x = -1 ± √61 / 6

x = -1/6 + 1/6√61 or x = -1/6 + -1/6 √61

find the value of this expression if x=1 and y=4

xy^2/7

Answers

xy^2/7 = (1)(4)^2/7 = 4^2/7 = 7 square root 4^2 = 7 square root 16 = 7 square root 4

Answer:

2 2/7

Step-by-step explanation:

What we know:

x = 1, and y = 4

The equation is xy^2/7

1(4)^2/7

4^2/7

16/7 = 2 2/7

Which equation would be used to find the cost C of a ticket after L losses? PLS HELPP

Answers

Answer:

Choice C

Step-by-step explanation:

If L represents the number of losses, and each loss decreases the total ticket price ($47.48) by $0.29, then the equation can be written as the following

47.48 - 0.29L
If you plug in any value, larger than 0, you will see that the price decreases by a constant rate of $0.29

Hope this helps!!

Answer:

47.48/0.29=163.7241379

f(0) = 3 - 2x. What does f(0) equal?

Answers

based on X values ,and do calculation

3-2(0) = 3-0= 3
Answer is 3.

Find −6.8−2.4. Write your answer as a decimal. −6.8−2.4=

Answers

Answer: -9.2

Step-by-step explanation:

Imagine you are adding the numbers 6.8 + 2.4. Eight plus four equals twelve; after carrying the one, we add one plus six plus two, which equals nine. After that, add the negative sign in front.

Your answer will be -9.2

NEED ANSWER ASAP.......

Answers

B:156

c:9.9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999

9999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999

There are 2 girls and 7 boys taking swimming lessons. The ratio that compares the number of girls taking swimming lessons to the total number of students taking swimming lessons can be written three different ways. Enter the three different ways .

I NEED HELP ASAP

Answers

Answer: 2:9, 2 to 9, 2/9

Answer:A ratio can be expressed in 3 different waysCross MultiplicationProportion½=/Proportionate 1:2= 4:8 1 to 2. 4 to 8.

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what is the value of x? help would be so appreciated!

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what is the value of x?
help would be so appreciated!