What is the value of X?

What Is The Value Of X?

Answers

Answer 1

Answer:

x=28

Step-by-step explanation:

angle b and angle c are the same measure because it is a iso triangle.

you know triangle sum is 180 so 3x+2(x+20)=180. simplify it to 5x=140

divide both sides by 5

x=28

Answer 2

Answer:

x = 28

Step-by-step explanation:

The triangle is isosceles, meaning that the two base angles (x + 20) are congruent. We can then create an equation that states: (x + 20) + (x + 20) + 3x = 180. Simplifying this, we get 5x + 40 = 180. We can then use reverse order of operations to solve it. Subtract 40 from both sides to get 5x = 140. We will then divide both sides by 5 to get x by itself, getting us the equation x = 28.


Related Questions

How do you solve -110 + 96

Answers

Answer: -14

Step-by-step explanation:

−110+96

Add −110 and 96 to get −14.

−14

Answer: -14

Step-by-step explanation:

In this case, it's best you bring out the negative

- (110 - 96)

- (14)

= -14

Line n contains points (4, –1) and (4, 9). Point p has coordinates (1, 6).

Answers

The distance between the line containing points (4, –1) and (4, 9) and point p (1,6) is of:

3 units.

Distance of point and line

The standard equation of a line is given by the rule presented as follows:

ax + by + c = 0.

The coordinates of the points which we want to find the distance from the line are given as follows:

(x0,y0).

Then the shortest distance is given by the equation presented as follows:

D = |a(x0) + b(y0) + c|/sqrt(a²+b²).

The two points of the line are given as follows:

(4, –1) and (4, 9).

Since the x-coordinate is constant, the line has a slope of infinite, meaning that it is a vertical line defined as follows:

x = 4.

x - 4 = 0.

The point p has these following coordinates:

p(1,6).

Hence the distance between the point and the line is:

D = |a(x0) + b(y0) + c|/sqrt(a²+b²).

D = |1(1) + 0(6) - 4|/sqrt(1² + 0²).

D = |-3|

D = 3 units.

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Find the x- and y-intercepts of the graph of 3x−8y=39. State each answer as an integer or an improper fraction in simplest form.

Answers

The x- intercept of the equation is (13,0) and y-intercept of the equation is (0,-39/8) when the equation is 3x-8y=39.

Given that,

The equation is 3x-8y=39.

We have to find the x- intercept and y- intercept of the equation.

We know that,

x/a + y/b = 1 is the intercept form of the line's equation. One of the key types of line equations is this one. In this equation, the sign of the intercepts also enables us to determine where the line is in relation to the coordinate axes.

To find the x- intercept of the equation.

We have to take y as 0.

3x-8(0)=39

3x=39

x=39/3

x=13

To find the y- intercept of the equation.

We have to take x as 0.

3(0)-8y=39

-8y=39

x=-39/8

Therefore, The x- intercept of the equation is (13,0) and y-intercept of the equation is (0,-39/8) when the equation is 3x-8y=39.

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What is the reason for each step in the solution of the equation?

18−2x=4x

Drag and drop the reasons into the boxes to correctly complete the table.

Answers

Answer:

Given

Addition property of equality

Division property of equality

Step-by-step explanation:

The first line is given.

Next 2x was added to each side.  The addition property of equality says that for an equation to stay in balance, it you add something to one side of the equation, you have to add that same thing to the other side of the equation.

The same is true for the division property.

Alicia deposited $400 in the bank. The bank paid her simple interest at the rate of 5 percent
she have in her account at the end of 6 months?
O $10
O $20
O $410
O $420

Answers

At the end of 6 months she will have $410 when calculated using simple interest.

What is simple interest?

Simple interest is a quick and simple formula for figuring out how much interest will be charged on a loan. The daily interest rate, the principle, and the number of days between payments are multiplied to calculate simple interest.

Main Body:

Principle =$400

Rate = 5%

Time = 6 months = 1/2 years

Simple interest = P*R*T/100

S.I. = 400*5*(1/2)/100

S.I. = 10

Hence total amount is 400+ 10= $410.

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write each system of equations as a matrix

Answers

Answer:

Step-by-step explanation:

Left to right
(27/5 , 19/5)

(44/13, -30/13, -1/13)

(64/21, 8/3, 23/21)

wht r = math please help...........

Answers

2.8. 2.2=r+2/-3
2.2=r -2/3
Simpfly-r=2.8

Answer:

r = -8.6

Step-by-step explanation:

ooooo IXL, one of my fav programs from my school days

Anyway

Multiply by -3 to get rid of that awful fraction

[tex]-3*2.2=\frac{r+2}{-3} *-3[/tex]

Solve that:

[tex]-6.6=r+2\\aka: r+2=-6.6[/tex]

Subtract 2 from both sides to isolate the r variable:

[tex]r=-8.6[/tex]

And.... We have our answer!

r = -8.6

Zoe wants to buy 6 tins of beans for the cheapest possible price. Shop A and Shop B both have a special offer. Shop A 5% off the normal price of 48p each Shop B 65p each Buy 2 get 1 free Which shop should Zoe buy the beans from? You must show how you get your answer.​

Answers

The answer is shop A

3. Simplify the expression below.
√-100-2√√-16
A. -12i
B. -2i
C. 12i
D. 2i

Answers

A -12i bench in your office was

determine the degree, leading coefficient and constant term or each polynomial

1. x+5
degree:______
leading coefficient:_____
constant term:____

Answers

For the given polynomial the degree is 1, the leading coefficient is 1, and the constant term is 5.

What are polynomials?

A polynomial in mathematics is an expression made up of coefficients and indeterminates and involves only the operations of multiplication, addition, subtraction, and non-negative integer exponentiation of variables.

The given polynomial is x+5.

(1) The degree is the highest power of the polynomial.

Degree = 1

(2) The leading coefficient is 1.

(3) The constant term is 5

Therefore, the given polynomial degree is 1, the leading coefficient is 1, and the constant term is 5.

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Which triangle is ​△ABC​ similar to and why?

Answers

Answer:

can we get a picture

Step-by-step explanation:

4. Which expression represents 7 more than the quotient of 12 and 4?
A. (12+4) + 7
B.7 x (12+4)
C.7+(12-4)
D. (7+12) + 4

Answers

Answer:

C

Step-by-step explanation:

Even though quotient means divide I instead used the minus symbol since they both mean something negative or taking away. Then, the 7 goes before everything adding onto what was left from the second part.

It takes Abby 3 hours to drive from Ashdown to Bridgeton at an average speed of 60 mph.
She then drives 30 miles from Bridgeton to Carton at an average speed of 40 mph.
Assuming Abby doesn't stop, what is her average speed from Ashdown to Carton to 1 dp?

Answers

The average speed for the given situation is 56 mph.

Given that, Abby 3 hours to drive from Ashdown to Bridgeton at an average speed of 60 mph.

What is the speed?

The speed formula can be defined as the rate at which an object covers some distance. Speed can be measured as the distance travelled by a body in a given period of time. The SI unit of speed is m/s.

Now, distance = Speed × Time

= 60 × 3

= 180 miles

She then drives 30 miles from Bridgeton to Carton at an average speed of 40 mph.

Now, Time = 30/40

= 0.75 hours

Total time =3+0.75=3.75 and total distance =180+30=210

Then average speed = 210/3.75

= 56 mph

Therefore, the average speed for the given situation is 56 mph.

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Tobias bought four video games for $34.10, $25.50, $13.25, and $9.99.

How much money did Tobias spend?

Answers

34.10 + 25.50 + 13.25 + 9.99 = 82.84

To adopt a dog from an animal shelter, you must pay $80 for vaccinations, $65 to spay or neuter the dog, and $50 for a wellness exam by a veterinarian.

a. Write an expression in the simplest form that represents the amount (in dollars) it costs to adopt x dogs.

An expression is (?) dollars.


Question 2
b. What does the coefficient of the expression in part (a) represent?
Responses

the total cost (in dollars) of adopting one dog
the total cost (in dollars) of adopting one dog

the total amount (in dollars) the veterinarian is paid when one dog is adopted
the total amount, (in dollars), the veterinarian is paid when one dog is adopted

the total cost (in dollars) of adopting x dogs
the total cost (i, n dollars), of adopting x dogs

the total amount (in dollars) the animal shelter earns when x dogs are adopted
the total amount (, in dollars) the animal shelter earns when , x, dogs are adopted
please and thank you!

Answers

Answer:$190

Step-by-step explanation:

for an expression is $80+$65+$50=190 per dog to adopt a from the animal shelter.

If LM = 2x - 9 and KN = x + 15 in rhombus KLMN, find the value of x.

Answers

The value of x in the rhombus is 24 units.

According to the question,

We have the following information:

LM = 2x - 9 and KN = x + 15 in rhombus KLMN.

Now, we know that in a rhombus opposite sides are equal. In this case, LM and KN are opposite sides.

So, we have the following expression:

2x-9 = x+15

Adding 9 to both sides of the equation:

2x = x+15+9

2x = x+24

Subtracting x from both sides of the equation:

2x-x = 24

x = 24

Hence, the value of x for the given rhombus is 24 units.

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A T-shirt company can produce and sell x T-shirts per day. The total cost C (in dollars) for producing x T-shirts is
C = 1,780 + 7x,
and the total revenue R (in dollars) is
R = 14x.
Find the profit (in dollars) obtained by selling 275 T-shirts per day.

Answers

Answer:

The profit from selling 275 shirts is 3,995

Step-by-step explanation:

P= R-C

P=14x- (1,780+7x)

since we are producing 275 shirts substitute that for x

P=14(275)-1,780+7(275)

P=3850-1780+1925

P=2070+1925

P=3995

PLS HURRY I NEED THE ANSWER FAST!!!!!!
Paula makes purses. The materials cost $2.25 per purse. She sells them for $5.00 each. Paula wants to invest $5000 for some new equipment. Which of these could be used to determine x, the number of purses Paula must sell to pay for the new equipment?

A 5.00x - 2.25x = 5000
B 5.00x + 2.25x = 5000
C 5.00x = 5000
D 2.25x = 5000

Answers

The equation that could be used to determine x, the number of purses Paula must sell to pay for the new equipment is;

A. 5.00x - 2.25x = 5000

How to solve equation word problems?

We are told the materials costs $2.25 per purse.

She sells the materials for $5 each.

If the number of materials she purchased was x, it means that;

Selling price - Cost price = 5.00x - 2.25x

Now, we are told that she wants to invest $5000 for some new equipment. This means that she must realize at least $5000 in profit from the sales she is making of the materials.

Since the formula for profit is;

Profit = Selling Price - Cost Price

Then, we will have;

5.00x - 2.25x = 5000

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Answer:  5.00x - 2.25x = 5000

Step-by-step explanation:

Consider the equation and the following ordered pairs: (−3,y) and (x,2).

y=−3x−1
Step 1 of 2 : Compute the missing x and y values so that each ordered pair will satisfy the given equation.

Complete the table below.

x y
row 1−3 Answer

row 2 Answer
2

Answers

The missing values of the ordered pairs using the given equation are:

x = -1; y = 8

The table is:

x  | y  

-3   8

-1,   2

How to Find the Values that Satisfies an Equation?

To find the missing values of an ordered pair that satisfies a given equation, plug n the given value of one of the variables into the equation and solve to find the value of the other variable.

The equation given is y = -3x - 1

Find the missing value of the ordered pair (-3, y) by plugging in x = -3 into the equation given:

y = -3(-3) - 1

y = 8

Find the missing value of the ordered pair (x, 2) by plugging in y = 2 into the equation given:

2 = -3x - 1

2 + 1 = -3x - 1 + 1

3 = -3x

x = 3/-3

x = -1

The ordered pairs are: (-3, 8) and (-1, 2).

Therefore, we would have:

x  | y  

-3   8

-1,   2

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Help with this precalc question

Answers

The principal amount invested at the rate of 6% for 3 years, then the investment results in $717.38.

What is compound interest?

Interest that is added to a loan and deposit sum is known as compound interest. In our everyday lives, it is the notion that is employed the most frequently. Compound interest is calculated as a sum using the interest and principal accrued over time. Compound interest versus simple interest differ primarily in this way.

As per the given information in the question,

Principle, P = $600

Rate, r = 6%

Time, t = 3 years.

Compound quarterly, r = 6/4

t = 4 × 3 = 12

Use the formula,

[tex]A = P(1+\frac{r}{100} )^t[/tex]

A = 600(1 + 6/4 × 100)¹²

A = 600 × (203/200)¹²

A = $717.38

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3. Analyze and Persevere The height of
an experimental plant after x days can be
represented by the formula 3(4x + 2) The
height of a second plant can be represented
by the formula 6(2x + 2). Is it possible that
the two plants will ever be the same height?
Explain.
their pr
Р
$1

Answers

Two plants will never be of the same height.

Given, the height of an experimental plant after x days can be

represented by the formula 3(4x + 2).

The height of a second plant can be represented by the formula 6(2x + 2).

We have to state that will the two plants ever be of the same height,

Let assume that, the height of two plants be same,

So, 3(4x + 2) = 6(2x + 12)

On simplifying, we get

12x + 6 = 12x + 72

On subtracting 12x from both the sides, we get

12x + 6 - 12x = 12x + 72 - 12x

6 ≠ 72

It is an absurd condition, so we do not have any solution for x.

So, the two plants will never be of the same height.

Hence, two plants will never be of the same height.

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A rectangle has an area of 20 square centimeters.
Which of the following could be the rectangle's length and width?
(Area = length x width)
Choose all answers that apply:
A
B
1 cm and 20 cm
2 cm and 10 cm
3 cm and 8 cm
4 cm and 5 cm

Answers

Answer:

Most likely 4cm and 5cm

Step-by-step explanation:

Where 5cm=length

And 4cm=width

The graph of a linear function passes through the points ; negative one; negative 1 over 4. and ; one, negative 3 over 4.. Y; X. Which equation represents the function? A Y equals negative one over 2 X. minus one over four. B Y equals 1 over 2 X. plus 1 over 4. C Y equals negative 1 over 4 X. minus 1 over 2. D Y equals 1 over 4 X. plus 1 over 2.

Answers

The linear equation that passes through the two given points is:

y = (-1/4)*x - 2/4

Which is the equation of the line?

A general linear equation is written as:

y = m*x + b

Where m is the slope and b is the y-intercept.

If the line passes through two points (x₁, y₁) and (x₂, y₂), then the slope of the line is:

m = (y₂ - y₁)/(x₂ - x₁)

Here we know that the line passes through (-1, -1/4) and (1, -3/4)

Then the slope is:

m = (-3/4 + 1/4)/(1 + 1)

m = (-2/4)/2 = -2/8 = -1/4

the line is:

y = (-1/4)*x + b

To find the value of v we can replace the point  (1, -3/4) so we get:

-3/4 = (-1/4)*1 + b

-3/4 + 1/4 = b

-2/4 = b

The linear equation is:

y = (-1/4)*x - 2/4

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Find the distance between the points (8,–2) and (8,7)

Answers

Answer:

9 units

Step-by-step explanation:

We see that on the x-axis, everything is equal.

On the y-axis, there are -2 and 7.

So we are finding the distance between -2 and 7

|-2|+|7|=9

So the distance between the points is 9 units.

Brett tallies up the transactions in his check register and comes up with a total balance of $248.53, but his bank statement says that his balance is $257.72. Which of the following are still outstanding?

I. A $44.09 check to the electronics store
II. A $73.98 check to the mechanic
III. A $49.96 paycheck deposit
IV. A $64.79 check deposit from Brett’s cousin
a.
I and III
b.
II and III
c.
I and IV
d.
II and IV

Answers

The answer is D. II and IV
$257.72-$248.53=9.19 was removed from his bank account (in total)that hasn’t processed it yet
A)44.09-49.96=-5.87. That would increase his balance and it doesn’t amount to the discrepancy so not a
B) 73.98-49.96=24.02 that would decrease his balance past where it is and doesn’t amount to the discrepancy so not b
C) 44.09-64.79=-20.70 That would increase his balance and it doesn’t amount to the discrepancy so not c
D)73.98-64.79=9.19 that matches!
The answer is D

You have been gotten a job offer and the company wants you to start out at 45,000 and will give you 5% raise every year write an equation you could use to determine how much you could be making after x number of years

Answers

Answer:

$51,750

Step-by-step explanation: We are going to make x = 3 and we will use the  i=prt equation meaning

Step 1: (45,000)(0.05)(3)= 6750

Step 2: 45,000+ 6750= 51,750

Solution: $ 51,750

On a map of Texas, the cities of Midland, Lubbock, and Odessa form a triangle.
Midland is
20 miles from Odessa, and Lubbock is 113 miles from Midland. What is the farthest,
in miles,
Odessa could possibly be from Lubbock?

Answers

If Midland is 20 miles from Odessa, and Lubbock is 113 miles from Midland. Then 111.22 miles is Odessa from Lubbock.

What is Trigonometry?

Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles.

Given,

The cities of Midland, Lubbock, and Odessa form a triangle.

The distance between Midland and Odessa is 20 miles.

The distance between Lubock and Odessa is unknown, we need to find this.

This can be find by using Pythagorean theorem

Odessa  from Lubbock=20²+x²

113²=20²+x²

12769=400+x²

12369=x²

x=111.22

Hence, 111.22 miles, Odessa could possibly be from Lubbock.

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In TY’s math class, 20% of students earned an A on a test. If there were 30 students in the class, how many got the A

Answers

Answer:

Step-by-step explanation

Answer:

6 students

Step-by-step explanation:

[tex]\frac{1}{5} = \frac{x}{30}[/tex]
[tex]30 = 5x[/tex]
[tex]6=x[/tex]

I’ll give you brainliest if you have the answer

Answers

Answer:

BGIA

Step-by-step explanation:

B = 0,4

G =-4,3

I = 4,0

A = 0,1

Animal-like protists, which are heterotrophs and have the ability to move. Plant-like protists, which are autotrophs that photosynthesize.

Answers

Answer:

so the answer would be a protozoa

Step-by-step explanation:

.

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