Mathematics College

HWLP GIVING OUT 40 POINTS.
Which of these statements are true. Have a nice day.

HWLP GIVING OUT 40 POINTS.Which Of These Statements Are True. Have A Nice Day.

Answers

Answer 1

Answer:  you are giving out 20 points not 40 .-.

Step-by-step explanation:

Answer 2

Answer:

A & D ig??

Step-by-step explanation:

in not 100% sure

if im correct, thanks this helped you!.

Related Questions

You are given an isosceles trapezoid ABCD with median XY. Complete the following.


AX = 8, CD = __________

I'll mark brainliest

Answers

Answer:

CD=16

Step-by-step explanation:

If XY is median then CD equals 16

Length of CD = 16 .

What is Isosceles trapezoid?

An isosceles trapezoid can be defined as a trapezoid in which non-parallel sides and base angles are of the same measure.

Given,

Isosceles trapezoid ABCD with median XY.

Median cuts the non-parallel lines of trapezoid in two equal parts.

then,

AX = 8

AB = 2 × AX

AB = 2 × 8

AB = 16

ABCD is isosceles trapezoid

So, Unparallel lines are equal,

AB = CD

⇒ CD = 16 unit.

Hence, 16 unit is length of CD.

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Help me out with one as well too please

Answers

Answer:

107° is answer

x+73=180(cointerior angle)

x=180-73=107°

A rectangular box without a top is have a volume of 12 cubic feet. Find the dimensions of
the box that will have minimum surface area.​

Answers

If the length, breadth and height of the box is denoted by a, b and h respectively, then V=a×b×h =32, and so h=32/ab. Now we have to maximize the surface area (lateral and the bottom) A = (2ah+2bh)+ab =2h(a+b)+ab = [64(a+b)/ab]+ab =64[(1/b)+(1/a)]+ab.

We treat A as a function of the variables and b and equating its partial derivatives with respect to a and b to 0. This gives {-64/(a^2)}+b=0, which means b=64/a^2. Since A(a,b) is symmetric in a and b, partial differentiation with respect to b gives a=64/b^2, ==>a=64[(a^2)/64}^2 =(a^4)/64. From this we get a=0 or a^3=64, which has the only real solution a=4. From the above relations or by symmetry, we get b=0 or b=4. For a=0 or b=0, the value of V is 0 and so are inadmissible. For a=4=b, we get h=32/ab =32/16 = 2.

Therefore the box has length and breadth as 4 ft each and a height of 2 ft.

(4xy+6y-4x)-5xy-4x+3y STEP explanation pls​

Answers

Answer:

this is the solution

please follow me and mark it brainliest

Please find the value of x

Answers

Answer: x = 118

Step-by-step explanation:

find the unit rate 39 plates in 3 stacks =plates per stack

Answers

Answer:

13 plates per stalk

Step-by-step explanation:

plz follow me

Answer:

13 plates in one stack.

Step-by-step explanation:

If you divide 39 (the plates) amongst the 3 stacks, you get 13.

Find the simple interest earned on a four year CD on a deposit of $2,000.00 with an interest rate of 2.25%. Show all work.

Answers

Answer:

$2.19

Step-by-step explanation:

Answer:

I=2000×2.25%×4

I=180

The volume of a cylinder is 225π cm³ and its height is 9 cm.

What is the length of the cylinder's radius?

Enter your answer in the box.

cm

Answers

Answer:

5cm

Step-by-step explanation:

Given data

volume = 225π cm³

Height= 9cm

r= ???

Volume of cylinder

v=πr^2h

substitute

225π= π*r^2*9

225= r^2*9

r^2= 225/9

r^2= 25

r= √25

r= 5cm

Hence the radius is 5cm

You earn $42 for washing 7 cars. How much do you earn for washing one car? How much do you earn for washing 3 cars? How much do you earn for washing 5 cars?

Answers

Answer:

1 car = $6 ; 3 car = $18 ; 5car = $30

Step-by-step explanation:

$ 42 = 7 cars

so 1 car = $42÷7 = $6

so 3 cars = 3 × $6 = $18

so 5 cars = 5 × $6 = $30

Hope this helps you.


In this diagram, two perpendicular lines and two rays intersect at point T. What is the measure, in degrees, of angle QTR?

A. 24
B. 28
C. 32
D. 48

Answers

Answer:

QTR = 24

Step-by-step explanation:

QTR=32

Since lines are perpendicular the total sum is 90 for all three angles

90=42+2x+x
48=2x+x
48=3x
16=x

QTR=2x=2(16)=32

please help me with this.

Answers

Answer:

Slope=3

Step-by-step explanation:

slope is rise over run, or (y2)-(y1)/(x2)-(x1)

Translate the sentence into an equation. Five more than the quotient of a number and 6 is equal to 2. Use the variable w for the unknown number.​

Answers

Answer:

The equation that represents the sentence is W + 6 + 5 = 2.

Step-by-step explanation:

Since it is required to propose an equation that reflects that five more than the quotient of a number and 6 is equal to 2, using the variable W for the unknown number, the following equation must be performed to determine what the unknown number is:

W + 6 + 5 = 2

W = 2 - 5 - 6

W = -9

Therefore, the unknown number is -9.

what's the radius for r=13 mm?

Answers

Step-by-step explanation:

14 mm³ because the radius is this

Need to do this Help please

Answers

Answer:

Step-by-step explanation:

Now e have two figures

1 is ABCD and other is APQD ,

Now to find g and f,

Now the are both figure is ,

Area = length * width

Area ABCD = 39 cm^2

AB* BC = 39

(g+7) * ( f) = 39

Again,

Area APQD = AP*QD= 16 cm ^2

(g)*(f)=16

from here f =16/g  putt it in above equation we get ,

(g+7)*16/g = 39

16*g-39*g+96 =0

-23g +96 = 0

g = 96/23

g =3 cm

Now for f putt in one of the above equation ,

f =16/3

f =5.33 cm

Answer:

f = 3cm g = 6cm

Step-by-step explanation: to find f

Subtract the area of APQD from ABCD then divide by 7

f = (39 - 18)/7

f = 21/7

f = 3

To find g, divide the area of APQD by 3

18/3 = 6

We can do this because of the givens: ABCD is a rectangle, PQ is parallel to AD, so BC=AD=PQ

Let U = {c, d, e, f, g, h, i) and A = {c, e, h, i). Use the roster method to write the set A'.
A' =
(Use a comma to separate answers as needed.)


HELP MEEE

Answers

Given:

The universal set is

U = {c, d, e, f, g, h, i}

The other set is

A = {c, e, h, i}

To find:

The set A'

Solution:

We know that,

Complement of a set A = Universal set - set A

A' = U - A

   =  {c, d, e, f, g, h, i} - {c, e, h, i}

   = {d, f, g}

Therefore, the set A' is A' = {d, f, g}.

When playing the roulette at a casino, you have exactly 1/35 chance of winning in each round if you play a single number. Your friend has rigged up some fireworks to be set off when you win. When you win, he sets off the fireworks every time. When you don't win, he accidentally sets off the fireworks 10% of the time. If you failed to see the outcome of a round, but you see the fireworks going off, then what is the probability that you actually won that round?

Answers

Answer:

0.2275 = 22.75% probability that you actually won that round

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

[tex]P(B|A) = \frac{P(A \cap B)}{P(A)}[/tex]

In which

P(B|A) is the probability of event B happening, given that A happened.

[tex]P(A \cap B)[/tex] is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Fireworks going off

Event B: You won

Probability of fireworks going off.

100% of 1/35 = 0.0286(when you win)

10% of 34/35 = 0.9714(you lost). So

[tex]P(A) = 0.0286 + 0.1*0.9714 = 0.12574[/tex]

Probability of you winning and fireworks going off:

100% of 1/35, so [tex]P(A \cap B) = 0.0286[/tex]

If you failed to see the outcome of a round, but you see the fireworks going off, then what is the probability that you actually won that round?

[tex]P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.0286}{0.12574} = 0.2275[/tex]

0.2275 = 22.75% probability that you actually won that round

4 cm What is the volume of this prism? 6 cm 10 cm​

Answers

Answer:

240 cm³

Step-by-step explanation:

Volume = lwh

10cm • 6cm • 4cm

10cm • 24 cm²

240 cm³

What is the total surface area of the square pyramid in square inches?
Height is 11 in. Base is 7 in. Side Length is 11.5

PLEASE DO THIS QUICKLY

Answers

Answer:

Step-by-step explanation:

I assume that "side length" means the slant height of one of the triangular faces.

area of a triangular face = ½(base)(side length) = ½(7)(11.5) = 40.25 in

lateral area = all four triangles = 161 in²

base area = 7² = 49 in²

total surface area = lateral area + base area = 161+49 = 210 in²

The area of the pyramid is  1.4625 ft²

What is a Square Pyramid?

If the base of the pyramid is in the shape of a square (base with 4 sides), then it is called a square pyramid. As the square has 4 sides, then the square pyramid has the following properties: No. of Faces: (4+1) = 5 No.of Vertices: (4+1)= 5 No. of Edges: 2(4) = 8

Given here: The height is 11, the base is 7 in, and the side length is 11.5 inches of a pyramid.

The surface area of a square pyramid is the sum of the areas of its square base and four triangular faces:

SA = BA + (4 × FA)

     =[tex]a^2+a\sqrt{a^2+4h^2}[/tex]

Where a= base length and height = h

Thus inputting the values we get

SA= 7²+7[tex]\sqrt{7^2+4.11^2}[/tex]

   =49+7√533

    =210.60 in²

Thus in ft.² we have 1.4625 ft²

Learn more about the pyramid here:

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The midpoint i need help

Answers

Answer:

angle WXU=56 degrees

Step-by-step explanation:

WX || TV so angle WXU is congruent to angle TVU

68-3x=84-7x

simplify by adding 7x to each side

68+4x=84

simply further by subtracting 68 from each side

4x=16

divide both sides by 4

x=4

angle WXU=68-3x

substitute for x

angle WXU=68-3(4)=68-12=56 degrees

write two prime numbers whose difference is 10?​

Answers

23-13=10

Prime numbers : A whole number greater than 1 that can not be made by multiplying other whole numbers Prime numbers between 1 to 100 : 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, and 97 So, The two numbers whose difference is 10 are 13 and 23 23-13=10

A truck driver drove 13 hours and earned $520. What is the hourly rate?

Answers

Answer:

$40

Step-by-step explanation:

520/13=40

Answer:

Step-by-step explanation:

[tex]\frac{\$ 520}{13hr}=\$40/hr[/tex]

-x²-2x+7=-17 help lol

Answers

you can just use photomath


Multiply. Give your answer in lowest terms.
3 8
4 11

Answers

Answer:

6

11

Step-by-step explanation:

What is the image of (-9,0) after a reflection over the x-axis?

Answers

Answer:

(-9, 0)

Step-by-step explanation:

When a point is reflected over the x-axis, the x-coordinate stays the same but the y-coordinate turns into its opposite. So, the x-coordinate would stay as -9. Because zero is neither negative nor positive, it doesn't have an opposite. So, the y-coordinate would still be 0.

Find the solution of the system of equations.
10x – 2y = 44
-2x - 9y = 10

Answers

Answer:

Merhaba, siz kanadada İngilizcem konuşuyoruz vay canına sjsjs

Answer:

10x=44+2y

x=44+2y/10.....eq(i)

-9y=10+ 2x

-Y=10+2X/9....eq(ii)

Then solve by eq(i) and eq(ii)

Give the coordinates of the point obtained from each reflection. (a) Reflect the point (-3, 7) across the y-axis: 00 (b) Reflect the point (-3, 7) across the x-axis: (01)​

Answers

Answer:

a) Rule for reflection across y - axis:

(x, y) → (-x, y)(-3, 7) → (3, 7)

b) Rule for reflection across  x - axis:

(x, y) → (x, -y)(-3, 7) → (-3, -7)

The present age of Andy and Mike are in the ratio 5:3. If Andy had been 7 years older and Mike 7 years younger, the age of Andy would have been 3 times the age of Mike. Find their present age​

Answers

Answer: Andy is 35 and Mike is 21.

Step-by-step explanation:

Andy’s present age: Mike’s present age

= 5:3

Andy’s age in “if”: Mike’s age in “if”

=6:2

1 unit = 7

5 unit = 35 (Andy’s age)

3 unit = 21 (Mike’s age)

Factor the expression using the GCF. 25b+50​

Answers

divide by 25 should get b+2

Use the Distributive Property to write –4(7 – 1) as an equivalent expression. What is the value of the expression?

Answers

Answer:

Step-by-step explanation:

-4(7-1) = (-4)7 + (-4)(-1) = -24

Which of the following values is equal to – (–8.2)? (3 points)

a
−8.2
b
0
c
8
d
8.2

Answers

Answer:

192-11

13×6

11-10

Cevap Bu Kadar Yaani

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