PLEASE HELP NEEDS TO BE DONE IN 10 MINUTES!!!

PLEASE HELP NEEDS TO BE DONE IN 10 MINUTES!!!

Answers

Answer 1

Answer:

QR = 15 cm

PQ = 20 cm

Step-by-step explanation:

Use the Pythagorean theorem. [tex]a^{2} +b^{2} =c^{2}[/tex]

Find QR first since you know QP are SR.

[tex]a^{2} +b^{2} =c^{2}\\12^{2} +9^{2} =c^{2}\\144+81=c^2 \\225=c^2\\\sqrt{225} = \sqrt{c^2} \\c = 15[/tex]

QR = 15 cm

Now you can find PQ. First find the length of PR by adding PS and SR together.

16 + 9 = 25

[tex]a^{2} +b^{2} =c^{2}\\a^{2} +15^{2} =25^{2}\\a^{2} +225 =625\\a^{2} +225-225 =625-225\\\a^{2} = 400\\\sqrt{a^2} =\sqrt{400} \\a = 20[/tex]

PQ = 20 cm


Related Questions

write down the equation for the following expression and then solve it.


The product of 3 and 4 less than a number is 12.​

Answers

Answer:

x = 24

Step-by-step explanation:

x - (3 · 4) = 12

x - 12   =     12

  + 12      + 12

x = 24

Answer: x - (3 * 4) = 12, x = 24

Step-by-Step Explanation:

Let ‘x’ be the Unknown Number

Framing the Equation :-

=> x - (3 * 4) = 12

Solving the Equation :-

x - (3 * 4) = 12 (First Multiply 3 and 4)
x - (12) = 12 (Now, open the bracket)
x - 12 = 12 (Now, shift 2 to RHS)
x = 12 + 12 (12 becomes positive)
=> x = 24

Hence, the Unknown Number is 24.

Select the correct answer from each drop-down menu. Segment AB has seven equally spaced points on it. Starting at A and moving left to right, the points are C, D, E, F, G, H, and I. In the diagram, is divided into equal parts. The coordinates of point A are (-3, 9), and the coordinates of point B are (9, 5). The coordinates of point C are . The coordinates of point E are . The coordinates of point H are .

Answers

The coordinates of points C, E and G are respectively; C(-0.75, 8.5),  E(3.75, 7.5) and H(7.5, 6)

How to find the Coordinates of a Line Segment?

We are told that the line AB is divided into 7 equally spaced points labelled as C, D, E, F, G, H and I.

Now, coordinates of A and B are; A(-3, 9) and B(9, 5)

Since they are equally spaced, then it means that point F is the midpoint of the line. If (x, y) is the coordinate of F, then;

x, y = (-3 + 9)/2, (9 + 5)/2

x, y = (6, 7)

H is the midpoint of FB. Thus;

H(x, y) = (6 + 9)/2, (5 + 7)/2

H(x, y) = (7.5, 6)

D is midpoint of A and F. Thus;

D(x, y) = (-3 + 6)/2, (9 + 7)/2

D(x, y) = (1.5, 8)

E is midpoint of F and D. Thus;

E(x, y) = (1.5 + 6)/2, (8 + 7)/2

E(x, y) = (3.75, 7.5)

C is midpoint of D and A. Thus;

C(x, y) = (-3 + 1.5)/2, (9 + 8)/2

C(x, y) = (-0.75, 8.5)

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Answer:

Select the correct answer from each drop-down menu.

Segment AB has seven equally spaced points on it. Starting at A and moving left to right, the points are C, D, E, F, G, H, and I.

In the diagram,  is divided into equal parts. The coordinates of point A are (-3, 9), and the coordinates of point B are (9, 5).

The coordinates of point C are

.

The coordinates of point E are

.

The coordinates of point H are

.

cordinates for c are -1.5, 8.5 E is 1.5, 7.5 H is 6,6

Step-by-step explanation:

Belle walks

7

10

mile each morning and

1

4

10

miles each evening.

How many miles does she walk in 5 days?

I'll mark brainliest

Answers

Answer:

I'm not really sure what you mean by the numbers because that's alot.

Step-by-step explanation:

But all you have to do is:

Plus the morning and evening amount and then times it by 5

Like this: y + z x 5

I hope this helped!
Sorry if it didnt...

But have a nice day

what is a conditional statement that correctly and accurately represents the statement all people who vote in US elections must be 18 or older ​

Answers

A conditional statement to demonstrate the situation presented would be: If a person can vote -> Then they are over 18 years old. An alternative to this would be: If a person is 18 years or older -> Then they can vote in the United States elections.

What is a conditional statement?

A conditional statement is a type of structure to express the relationship between two dependent variables. Its structure is as follows:

If P, then Q...

According to the above, two conditional statements about voting in the United States would be:

If a person can vote -> Then he is over 18 years old. If a person is 18 years old or older -> Then they can vote in the United States elections.

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To receive monthly payments of $1500 for 20 years, how much would a person have to invest now in an annuity with an annual interest rate of 3.1% to achieve this goal? Round the answer to the nearest dollar.

Answers

Given the possibility of an investment with an annual interest rate of 3.1 %, the person must deposit $ 580645.16 to receive monthly payments of $ 1500 for 20 years.

How to determine the require investment to receive a desired monthly payment

According to this question, the person have decided to invest money to receive a monthly payment, meaning no savings and the adequacy of using the simple interest formula:

g = C · (r/100)     (1)

Where:

C - Invested money, in monetary units.r - Monthly interest rate, in percentage.g - Monthly payment, in monetary units.

If we know that g = 1500 and r = 3.1/12, then the invested money must be:

C = 100 · g/r

C = 100 · [1500/(3.1/12)]

C = 580645.16

Given the possibility of an investment with an annual interest rate of 3.1 %, the person must deposit $ 580645.16 to receive monthly payments of $ 1500 for 20 years.

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Given f(x)=3x2+5 and g(x)=x−2.

What is (fg)(x)?

Answers

PURRRRRR:

yeat or cartiiii

ANSWER:

The product of the functions is 3x³ - 6x² + 5x - 10

Composite functions

Given the following functions expressed as

f(x) = 3x² + 5

g(x) = x - 2

In order to determine the value of (fg)x, we will take the product of the functions as shown

f(x)g(x) = 3x²+5)(x-2)

Expand to have;

f(x)g(x) = 3x³ - 6x² + 5x - 10

Hence the product of the functions is 3x³ - 6x² + 5x - 10

The sum of the digits of a three-digit number is 12. The tens digit, t, is 2 more than the hundreds digit, h. The units digit, u, is equal to the sum of the tens and hundreds digits. What is the number?

Answers

Answer:

246

Step-by-step explanation:

h = 2

t = 4

u = 6

t - h = 4 - 2 = 2

u = h + t = 2 + 4 = 6

A grocery wants to make two kinds of coffee. One consoles for $1.40 pound, and the other cells for $2.95 a pound. He wants to makes a total of 21 pounds and sell it for $2.60 per pound. How many pounds of each kind should he use in the new mix? (round off the answers to the nearest hundredth)

Answers

Step-by-step explanation:

a lot of typos in the problem description.

I assume the price of the mix is 1:1 related to the prices of the individual types of coffee.

so, from what I understood we can define

x = pounds of the first type of coffee.

y = pounds of the second type of coffee.

x + y = 21 pounds

1.4x + 2.95y = 2.6(x + y) = 2.6×21 = $54.60

in the second equation we have to bring the given "$2.60 per pound" to the total price, which is $2.60 times the total amount of pounds (which is 21).

from the first equation we get

x = 21 - y

and that we use in the second equation

1.4×(21 - y) + 2.95y = 54.6

29.4 - 1.4y + 2.95y = 54.6

1.55y = 25.2

y = 25.2 / 1.55 = 16.25806452... ≈ 16.26 pounds

x = 21 - y = 4.741935484... ≈ 4.74 pounds

so, he should mix 4.74 pounds of the first (cheaper) type and 16.26 pounds of the second (expensive) type.

Please answer correctly!

Answers

Answer:

I. Evaluate the largest angle when x = 15

Explanation:

First, solve for x:

x + 8x + x + 30 = 180

10x = 180 - 30

10x = 150

x = 15

Here in the question, his friend wants to find the largest angle in triangle.

So, input x = 15 in the largest angle.

Which is, 8x = 8(15) = 120° <--- largest angle in the triangle.

What is the midpoint of the segment shown below?
O A. (-9, 3)
O B. (-9, 3)
O c. (-9, ;)
D. (-9, 3)

Answers

Answer:

where the segment ??????!??!??!?

Step-by-step explanation:

give me the segment I may be able to answer

How many hours must Miguel worked to receive $10,000 in total pay?

Answers

Using the linear equation, Miguel must work for 160 hours to receive $10,000 in total pay

Complete Question:

Miguel works as a technician in a company. If his hourly rate and flat pay are $50 and $2000, how many hours must Miguel worked to receive $10,000 in total pay?

How to determine the number of hours?

Let the number of hours be x and the total pay be y.

The equation that represents the total pay is represented as:

y = Rate * x + Base pay

From the question, we have:

Base pay = 2000

rate = 50.

So, we have:

10000 = 50 * x + 2000

Subtract 2000 from both sides

8000 = 50x

Divide both sides by 50

x = 160

Hence, Miguel must work for 160 hours

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how to solve for axis of symmetry for y=(x+2)(x-4)

Answers

Answer:

x = 1

Step-by-step explanation:

you can first find the two zeroes

that would be

x + 2 = 0

x - 4 = 0

x = {-2, 4}

then you average them

-2 + 4 = 2

2 / 2 = 1

the aos is 1

Answer:

x=1

Step-by-step explanation:

[tex]y=x^{2} -4x+2x-8[/tex]
[tex]y=x^{2} -2x-8[/tex]   [tex](a=1, b=-2)[/tex]
[tex]x=-\frac{b}{2a} =\frac{-2}{2*1}[/tex]
[tex]x=1[/tex]
[tex]y=(x+2)(x-4), x=1[/tex]
[tex]y=(1+2)(1-4)[/tex]
[tex]y=-9[/tex]

Solve for x.
3x-3/4x+3
-
When angles form a linear pair, their sum is 180°.
8x 3 + 4x + 3 = 180
[?]+[] = 180
Hint: First we must combine like terms. Calculate the sum
of 8x and 4x and enter the value of the coefficient.
Enter


can anyone help me ? and show solving steps if possible

Answers

Answer:

Step-by-step explanation:

Remark

They are asking you to combine like terms. The total should be 180.

Givens

2 angles

8x - 3 4x + 3

Total 180

Solution

8x - 3 + 4x + 3 = 180        The threes cancel. So add what's left. They are of opposite signs, so they cancel.

12x = 180                           Divide both sides by 12

12x/12 = 180 /12                        

x = 15

Explanation -:

In this question we are provided with the two angles that is 8x - 3 and 4x + 3 respectively. It is also given that the sum of this two angles is 180°.

To solve this question we will combine the like terms and there sum must be 180°.

[tex] \small\sf{ 8x - 3 + 4x + 3 = 180°} [/tex]

[tex] \bull \: \small\sf{ We \: will \: cancel \: 3 \: because \: they \: are \: of \: opposite \: signs }[/tex]

[tex] \small\rm 8x + 4x = 180 \degree[/tex]

[tex] \bull \: \small\sf{Addition} [/tex]

[tex] \small\rm{ 12x = 180 \degree}[/tex]

[tex] \bull \: \small\sf{ Divide\: both \: side \: by \: 12}[/tex]

[tex] \small\rm{ \dfrac{12x}{12} = \dfrac{180}{12} \: = 15 \degree}[/tex]

[tex] \small \underline{ \boxed{\sf{x = 15} }}[/tex]

[tex] \rule{71mm}{4pt}[/tex]

What is the solution to the trigonometric inequality sin^2(x) > cos(x) over the interval 0<= x <= 2pi radians?

Answers

The solutions to the trigonometric inequality in the interval is given by:

[tex]\frac{\pi}{6} \leq x \leq \frac{5\pi}{6}[/tex], or [tex]\frac{7\pi}{6} \leq x \leq \frac{11\pi}{6}[/tex]

What is the trigonometric inequality?

It is given by:

[tex]\sin^{2}{x} > \cos{x}[/tex]

We have the following identity:

[tex]\sin^2{x} = 2\sin{x}\cos{x}[/tex]

Hence:

[tex]2\sin{x}\cos{x} > \cos{x}[/tex]

[tex]2\sin{x} > 1[/tex]

[tex]\sin{x} > \frac{1}{2}[/tex]

Between the first and second quadrant, the solution is:

[tex]\frac{\pi}{6} \leq x \leq \frac{5\pi}{6}[/tex]

Between the third and fourth quadrants, the solution is:

[tex]\frac{7\pi}{6} \leq x \leq \frac{11\pi}{6}[/tex]

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Joe bought a $40 video game for only $28, what was the percent discount on
the item?

Answers

Answer:

30 % off

Step-by-step explanation:

12 dollars off of 40

40 (x) = 12

x = 12/40 = .3     or  30 %

Find the constant of proportionality for the table of values.
The constant of proportionality is k = ___

Answers

Answer:

K=3.5

Step-by-step explanation:

1. y/x=k

2. 7/2 or

[tex]7 \div 2 =[/tex]

( 3.5 )

3. 10.5/3 or divided by 3 is 3.5

4. Continue divided y/x and if you get same answer than your constant of proportionality is 3.5 only for this question.

Question 6 (5 points)
Find the amplitude of the function y = 3/2 cos(3x) + 1.
A) 1
B) 3
C) 3/2
D) ¹/3

Answers

The amplitude of the function is 3/2 after comparing with the general equation option (C) is correct.

What is cos function?

It is defined as the function which is in the form of cosine waves in nature, and it has a domain of all real numbers and lies between the [a, a] where is a amplitude of the function.

We have a cos function:

y = 3/2 cos(3x) + 1

We know,

f(x) = acos(bx - c) + d

The above function represents the cos function where:

a = amplitude

b = is the period of the function

c = phase shift

d = vertical shift

On comparing we get:

a = 3/2

Thus, the amplitude of the function is 3/2 after comparing with the general equation option (C) is correct.

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what's the answer
1. The function below shows the weekly earnings of Alice from her job last summer.

Answers

a) We kindly invite to check the image attached below to see a detailed graph of the piecewise function.

b) The piecewise function is continuous.

How to understand a piecewise function

A piecewise function is a conditional combination of two or more functions, whose expression depends on which value of the domain is the function evaluated at.

a) The piecewise function described in the question is plotted on a graphing tool (i.e. Desmos), whose result is presented in the image attached below.

b) A function is continuous if and only if there is one value from range for every value of domain. The piecewise function is continuous as linear functions are continuous and the two functions of the conditional combination have the same value for x = 30.

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even numbers less than 9

Answers

Answer:

2, 4, 6, 8

Step-by-step explanation:

even numbers are numbers that can be equally split in half.

Example:

2 ⇒ 1 - 14 ⇒ 2 - 26 ⇒ 3 - 38 ⇒ 4 - 4

Which of the following phrases are inequalities?Choose 2 answers: A. (8 + f)(8 - f) > 36
B.
C.
D.
E.

Answers

A & C … I just did it

HELP PLSSSSSSSSS WIL GIVE BRAINLEST Nathan needs 10 ounces of lemonade.
He needs to know how much liters that is.

A 16
B 5
C 943
D 0.295735

Answers

The volume of 10 ounces of lemonade in litres is 0.295735 litres.

How to convert from ounces to litres?

He needs 10 ounces of lemonade.

To know the volume in litres, we have to convert from ounces to litres.

Therefore,

1 ounces = 0.0295735 litres

10 ounces = ?

cross multiply

volume in litres = 0.0295735 × 10

volume in litres = 0.295735

Therefore, the volume of the lemonade in litres is 0.295735 litres.

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Which single transformation will have the same effect on the figure?
A. reflection over the x-axis
B. rotation of 270° about the point (0, 0)
C. translation described by (x, y) → (x-6, y)
D. translation described by (x, y) → (x, y-6)

Answers

Answer:

D. translation described by (x, y) → (x, y-6)

Step-by-step explanation:

The triangle stays in the same orientation just in a diffrent spot on the graph, that spot being 6 units down from where it starts.

For x/3 - 8 = 15, if x = 69

Answers

Answer:

x/3 - 8 =15

x/3 =15+8

69/3 =23

69 =23*3

69. =69

√17 is a number between

Answers

16 and 25! Hope this helps!

Question 7(Multiple Choice Worth 1 points)
(01.03 MC)
What is the simplified expression for
4^4•4³
3
4^5

Answers

is simplified expression for  [tex]\frac{4^{4} 4^{3} }{4^{5} }[/tex].

What is Indices?

Index (indices) in Maths is the power or exponent which is raised to a number or a variable.

Here, Given expression = [tex]\frac{4^{4} 4^{3} }{4^{5} }[/tex]

[tex]\frac{4^{4} 4^{3} }{4^{5} }[/tex] = [tex]\frac{4^{4+3} }{4^{5} }[/tex]

      = 4⁷/4⁵

      = 4⁷⁻⁵

      =

Thus, is simplified expression for [tex]\frac{4^{4} 4^{3} }{4^{5} }[/tex].

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Please help I will give the most points

Answers

Answer:

7

Step-by-step explanation:

The format for a coordinate pair is (x-coordinate, y-coordinate). This means the y-coordinate comes second, and since the 7 comes second here we can say that 7 is the y-coordinate.


That is the answer

- Kan Academy Advance

if 3\2 =x\12 what is the value

Answers

[tex]\frac{3}{2} =\frac{x}{12}[/tex]

---Cross multiply

2x = 36

---Divide both sides by 2

x = 18

Hope this helps!

A community organization wants to determine area support for the construction of a new skate park in the center of town. The organization decides to survey 500 people to see whether they are willing to have their taxes increased for one year to fund the construction of the skate park.

What is the best way to randomly choose these 500 people?

Answers

The method that can be used to randomly choose these 500 people is the use of systematic random sampling.

What is random sampling?

Random sampling is defined as the method of sampling in which the whole sampling frame is being considered.

In order the survey a community of people to see whether they are willing to have their taxes increased for one year to fund the construction of the skate park, both the male and female should be considered.

The systematic random sampling will give the both male and female equal opportunity to the chosen.

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Write down the letter of the shape that is congruent to the shaded shaPe

Answers

Answer:

E looks like it is most congruent

Step-by-step explanation:

Find the value of x.
25
X

20
X = [?]
Enter the number that belongs in
the green box.

Answers

Answer:

Step-by-step explanation:

x^2 + 20^2 = 25^2

x^2 + 400 = 625

625-400=225

sqrt(225) = 15

x = 15

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