Mathematics High School

i need assistance.
i'll give a brainiest

I Need Assistance.i'll Give A Brainiest

Answers

Answer 1

Answer:

MP =8

Step-by-step explanation:

QR = 1/2 MP

76 -8x = 1/2 (89 - 9x)             Multiply both sides by 2

152 - 16x = 89 - 9x                Subtract 89 from both sides

152-89 - 16x = - 9x                Add 16x to both sides.

63 - 16x +16x = 16x  - 9x

63 =7x                                  Divide by 7

x = 63/7

x = 9

MP = 89 - 9*9

MP = 8

Related Questions

The price of a gallon of unleaded gas was 2.84 yesterday. Today, the price rose to 2.90 . Find the percentage increase. Round your answer to the nearest tenth of a percent.

Answers

Answer:
102.1%
Explanation: 2.90/2.84=1.021x100

What value of y will make the equation true? The square root of 34 times the square root of y = 34

Answers

y=34 but i’m not sure i hope it’s right luv. N E WAYZ , GOOD DAY IN MY MIND SAFE TO TAKE A STEP OUT

two times the sum of a number and 18 is at least -21

Answers

Answer:

2x + 18 ≥ 21

x ≥ 2/3

Step-by-step explanation:

Let sum be X

2 times the sum means 2x

the sum of a number and 18 means x + 18

at least -21 means ≥ 21

put them together, and you get, 2x + 18 ≥ 21

If solving for x,

2x + 18 ≥ 21

2x ≥ 3

x ≥ 2/3

A researcher posts a newspaper advertisement offering $10 in exchange for participation in a short study. The researcher accepts the first 10 people who respond to the advertisement. Which of the following statements is true about the sample? (5 points) It is not a valid sample because it is only a short study. It is a valid sample because money is offered to participants. It is a valid sample because the first 10 people were selected to participate. It is not a valid sample because it is not a random sample of the population.

Answers

Answer:

the third one

Step-by-step explanation:

do you need and explanation

Could someone please answer this question for me? (7x+1​)+​(−8x+2​) This answer needs to be simplified. Thanks!

Answers

Answer:

-x + 3

Step-by-step explanation:

(7x+1​)+​(−8x+2​)

7x + -8x + 1 + 2

-x + 3

Find the difference.-3.2 - (-4) *
1 point
7.2
-7.2
0.8
-0.8

Answers

Answer:

do you like harry styles

Step-by-step explanation:

pog champ

How would I simplify x+2y<4 so I can graph it

Answers

Answer:

y < -1/2x + 2

Step-by-step explanation:

x+2y<4

subtract x from both sides

2y<-x+4

then divide both by 2

y< -1/2+2

HELP ME PLEASE!! I DON’T KNOW WHAT I’M DOING

Answers

41u+6

 

Sorry I don't really know anything about this subject.            

If the triangles are similar, what is the value of x? AlternativeText A. x = 16 B. x = 38 C. x = 42 D. x = 54

Answers

Answer: D. x = 54

Step-by-step explanation:

Jacob is playing a game where he earns 3 points for a correct answer and loses 2 points for an incorrect answer. He currently has –6 points. What situation would end with him breaking even?

Answers

Answer:

definetely not a pog champ :)

Step-by-step explanation:

No not a chump dog.

(4 × 10 –10)(3 × 104)

Answers

Answer: 9360

Step-by-step explanation:

1) 10 (4 - 1) x ( 3 x 104 )

2) 10 (4-1) x 312

3) 10x3x312

=9360

Hope this helps!

Select the correct answer. One factor of the polynomial 2x^3–3 x^2 - 3x + 2 is (x- 2), which expression represents the other factor, or factors, of the polynomial?

Answers

Answer:

D

Step-by-step explanation:

The factorisation of polynomial is (2x-1)(x+1). Therefore, option C is the correct answer.

The given expressions are 2x³-3x²-3x+2 and x-2.

What are factors of polynomial?

The factors are the polynomials which are multiplied to produce the original polynomial.

Here, the given polynomial can be factored as follows:

x-2 |2x³-3x²-3x+2| 2x²+x-1

      2x³-4x²

     (-)   (+)

___________

             x²-3x+2

             x²-2x

            (-)  (+)

___________

                 -x+2

                 -x+2

                (-)  (+)

____________

                   0

2x²+x-1 can be rewritten as 2x²+2x-x-1

= 2x(x+1)-(x+1)

= (x+1)(2x-1)

The factorisation of polynomial is (2x-1)(x+1). Therefore, option C is the correct answer.

To learn more about the factorisation of polynomial visit:

https://brainly.com/question/16789195.

#SPJ5

The ratio of boys to girls at the valley high school is 3:2. The school has 900 students. How many boys are at the school?

Answers

Answer:

let the no. of boys be 3x and girls be 2x

And according to the question

2x+3x is equal to 900

Step-by-step explanation:

and solve this equation...

hope this helps..


help pleaseeee. this makes no sense

Answers

9514 1404 393

Answer:

  x = 3.6

Step-by-step explanation:

It can be helpful to write down corresponding sides and their measures.

  AB = 5, PQ = 6

  BC = 3, QR = x

  CD = 2, RS = 2.4

  DA = 4, SP = 4.8

Then you can look for easy ways to find x. You can tell from this table that all of the values in PQRS are 6/5 = 1.2 times the corresponding values in ABCD.

Then ...

  QR = 1.2×BC = 1.2×3

  QR = x = 3.6

_____

Other ways you can figure x are ...

  x/BC = PQ/AB

  x = (BC)(PQ/AB) = 3(6/5) = 3.6 . . . . the method we used

__

  x/RS = BC/CD

  x = 2.4(3/2) = 3.6

__

  x/SP = BC/DA

  x = 4.8(3/4) = 3.6

Can someone explain this to me please will give brainliest
Bill's new porch is rectangular, with an area of 50 square feet. If the length of the porch is two times the width, what is the perimeter of the porch?
A.30
B.40
C.50
D.60

Answers

the answer is A. for this, you have to set up a system of equations. the first one will be the area equation. since you know area=length x width, your equation will be LxW=50. the next equation is L=2W, since the length is two times the width. then, plug in 2W for the L in the other equation and you get 2W^2=50. divide by 2 and get W^2=25. square root both sides and you get W=5. plug back into the other equation to find L=10. Then, add the sides of the rectangle for the perimeter. 10+5+10+5=30.

On subtracting 8 from -4, we get

Answers

Answer:

12

Step-by-step explanation:

Remember, when you add two same symbols, the outcome will be positive.

- + - = +

- + + = -

+ - + = +

+ - - = -

As shown in the diagram below, the radius of a cone is 2.5 cm and its slant height is 6.5 cm

Answers

Answer:

multiple but if that dont work ion know what to tell you

statistics is a numerical value summarizing the sample date

true or false

Answers

True szzzzzzzzzzzzzzzzz

i have i need to use the substitution method to work out what x and y is
5y−2x=10
8x+5y=60

Answers

Answer:

pick the simplest of the 2 equations

Step-by-step explanation:

5y-2x=10

5y = 2x +10

y = 2/5x + 2

now substitute

8x + 5(2/5X +2)=60

8x + 2x + 10 = 60

10x = 50

x = 5

y = 4

X=5
Y=4
Did u want the answer of the method?

What is the probability of rolling an even number on the first roll of a number cube and rolling an odd number on the second roll?

Answers

Answer:

1/4.

Step-by-step explanation:

There are 3 even numbers in the 6 numbers on a cube.

So Probability first roll is even = 3/6 = 1/2.

By the same reason Probability of odd number = 1/2.

So: Probability(First is even and second is odd) = 1/2 * 1/2 = 1/4.

someone pls pls pls answer these questions by finding the area!!!!!!!

Answers

Answer:

8 is the diamonds area im not sure if there is a formula for that but its 8

Second shape you could connect the dots to make it more easier to get 15

Third shape is 16 for the area.

Penelope is going to invest $23,000 and leave it in an account for 11 years. Assuming
the interest is compounded continuously, what interest rate, to the nearest tenth of a
percent, would be required in order for Penelope to end up with $41,000?

Answers

Answer: r ≈ 5.3%

Step-by-step explanation:

Which planet in the chart is most likely Earth? Yeah
Does somone no the answer

Answers

Answer:

Kepler-452b has a probable mass five times that of Earth, and its surface gravity is nearly twice as Earth's, though calculations of mass for exoplanets are only rough estimates. If it is a terrestrial planet, it is most likely a super-Earth with many active volcanoes due to its higher mass and density.Step-by-step explanation:

Select the correct answer from each drop-down menu.
Two sides of a right triangle measure 5 inches and 6 inches, and the third side measures V61 inches.
inches.
The length of the third side is about
inches. The perimeter of the triangle is about
Please help

Answers

Answer:

7.8 and 18.8 is your answer

Step-by-step explanation:

give other person brainliest and yes Ik I’m very late ~w~

Tom drives 200 miles in 4 hours.
He drives the first 32 miles at an average speed of 64 mph
Work out his average speed for the rest of the journey, in mph.
Please help??

Answers

His average speed for the rest of the journey was of 48mph.

if tom is driving 200 miles in 4 hours... and drives the first 32 miles in half an hour... his speed for the rest of the trip would most likely be 48 mph because 3.5 hours are left and 168 miles are left and when you divide that it comes out to 48.

Identify the vertex for the graph of y = -2x2 - 12x +1. (1 point)
O (-3, 19)
0 (-3,55)
(3, -53)
(3, -47)

Answers

Answer:

(-3, 19)

Step-by-step explanation:

Help pls I need it now

Answers

Answer:

a). 4 + 9x + 17 + 15x

b) 21 + 24x

Step-by-step explanation:

Here, we want to write expressions for the perimeter

Mathematically, this is the sum of the length of the sides

We have this as

a)

4 + 9x + 17 + 15x

b) = 4 + 17 + 9x + 15x = 21 + 24x

HELP ON A TIMER

WHAT IS THE x-intercept of the graph?

Answers

It is 6 just look at the x

What is the solution to the equation 9(x − 2) = 27? (1 point) x = 2.5 x = 0.5 x = −0.5 x = 3.5

Answers

Answer:

x = 5

Step-by-step explanation:

9(x - 2) = 27

9x - 18 = 27

     +18    +18

9x = 45

/9    /9

x = 5

X=5 is the answer hope this helps

PLEAS HELP ASAP SOLVE BOTH PROBLEMS IM GIVING 80 POINTS! NO SPAM
answer format: just say a, b, c, or d for both questions; no explanation needed.

question 1:Which of the following is a pair of equivalent radical expressions?
A. √45 and 3√15
B. √75 and 3√5
C. √54 and 9√6
D. √180 and 3√20

Question 2: image attached.

Answers

Answer:

C

Step-by-step explanation:

Answer: C for the first one and B for the second one

Step-by-step explanation:

hope it helps you

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